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{{short description|Cyclone season in the Southwest Indian Ocean}} | |||
{{Use mdy dates|date=June 2019}} | |||
{{Update|inaccurate=yes|date=June 2021}} | |||
{{Infobox hurricane season | {{Infobox hurricane season | ||
| Basin=SWI | | Basin=SWI | ||
| Year=2018 | | Year=2018 | ||
| Track= |
| Track=2017-2018 South-West Indian Ocean cyclone season summary.png | ||
| First storm formed= |
| First storm formed=1 January 2018 | ||
| Last storm dissipated= |
| Last storm dissipated=1 May 2018 | ||
| Strongest storm name= |
| Strongest storm name= ] | ||
| Strongest storm pressure= |
| Strongest storm pressure=940 | ||
| Strongest storm winds= |
| Strongest storm winds=100 | ||
| Average wind speed=10 | | Average wind speed=10 | ||
| Total disturbances= |
| Total disturbances=9, 1 unofficial | ||
| Total depressions= |
| Total depressions=9 | ||
| Total storms= |
| Total storms=8 | ||
| Total hurricanes= |
| Total hurricanes=6 | ||
| Total intense= |
| Total intense=3 | ||
| Total super= | | Total super=0 | ||
| Fatalities= |
| Fatalities=108 total | ||
| Damages= |
| Damages=326.7 | ||
| five seasons=], ], '''2017–18''', |
| five seasons=], ], '''2017–18''', ], ] | ||
| Australian season=2017–18 Australian region cyclone season | | Australian season=2017–18 Australian region cyclone season | ||
| South Indian season=2017–18 South Pacific cyclone season | | South Indian season=2017–18 South Pacific cyclone season | ||
}} | }} | ||
The '''2017–18 South-West Indian Ocean cyclone season''' |
The '''2017–18 South-West Indian Ocean cyclone season''' was a below-average season that produced only 8 tropical storms, of which 6 became tropical cyclones. It was an event in the annual cycle of a ] and ] ]. It officially began on 15 November 2017, and officially ended on 15 May 2018, in ] and the ]. For the rest of the basin, the season ended on 30 April 2018. These dates conventionally delimit the period of each year when most tropical and subtropical cyclones form in the basin, which is west of ] and south of the ]. Tropical and subtropical cyclones in this basin are monitored by the ] in ]. | ||
__TOC__ | __TOC__ | ||
{{clear}} | {{clear}} | ||
==Seasonal |
==Seasonal Summary== | ||
<center> | <div class="center"> | ||
<timeline> | <timeline> | ||
ImageSize = width:800 height:200 | ImageSize = width:800 height:200 | ||
Line 33: | Line 36: | ||
AlignBars = early | AlignBars = early | ||
DateFormat = dd/mm/yyyy | DateFormat = dd/mm/yyyy | ||
Period = from:01/ |
Period = from:01/01/2018 till:01/06/2018 | ||
TimeAxis = orientation:horizontal | TimeAxis = orientation:horizontal | ||
ScaleMinor = grid:black unit:month increment:1 start:01/ |
ScaleMinor = grid:black unit:month increment:1 start:01/01/2018 | ||
Colors = | Colors = | ||
id:canvas value:gray(0.88) | id:canvas value:gray(0.88) | ||
id:GP value:red | id:GP value:red | ||
id:ZD value:rgb(0 |
id:ZD value:rgb(0,0.52,0.84) legend:Zone_of_Disturbed_Weather/Tropical_Disturbance_=_≤31_mph_(≤50_km/h) | ||
id:TD value:rgb(0. |
id:TD value:rgb(0.43,0.76,0.92) legend:Tropical_Depression/Subtropical_Depression_=_32–38_mph_(51–62_km/h) | ||
id:TS value:rgb( |
id:TS value:rgb(0.30,1,1) legend:Moderate_Tropical_Storm_=_39–54_mph_(63–88_km/h) | ||
id:ST value:rgb(0. |
id:ST value:rgb(0.75,1,0.75) legend:Severe_Tropical_Storm_=_55–73_mph_(89–118_km/h) | ||
id:TC value:rgb(1, |
id:TC value:rgb(1,0.85,0.55) legend:Tropical_Cyclone_=_74–103_mph_(119–166_km/h) | ||
id:IT value:rgb(1,0. |
id:IT value:rgb(1,0.45,0.54) legend:Intense_Tropical_Cyclone_=_104–133_mph_(167–214_km/h) | ||
id:VI value:rgb( |
id:VI value:rgb(0.55,0.46,0.9) legend:Very_Intense_Tropical_Cyclone_=_≥134_mph_(≥215_km/h) | ||
Backgroundcolors = canvas:canvas | Backgroundcolors = canvas:canvas | ||
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PlotData= | PlotData= | ||
barset:Hurricane width:11 align:left fontsize:S shift:(4,-4) anchor:till | barset:Hurricane width:11 align:left fontsize:S shift:(4,-4) anchor:till | ||
from: |
from:01/01/2018 till:09/01/2018 color:TC text:"]" | ||
from: |
from:06/01/2018 till:09/01/2018 color:TC text:"Irving (TC)" | ||
from:11/01/2018 till:19/01/2018 color:IT text:"]" | |||
from:14/01/2018 till:16/01/2018 color:TD text:"04 (TD)" | |||
from:26/01/2018 till:07/02/2018 color:IT text:"Cebile (ITC)" | |||
barset:break | |||
from:02/03/2018 till:06/03/2018 color:IT text:"]" | |||
from:14/03/2018 till:20/03/2018 color:ST text:"]" | |||
from:22/04/2018 till:24/04/2018 color:TC text:"]" | |||
from:28/04/2018 till:01/05/2018 color:ST text:"Flamboyan (STS)" | |||
barset:break | |||
bar:Month width:5 align:center fontsize:S shift:(0,-20) anchor:middle color:canvas | bar:Month width:5 align:center fontsize:S shift:(0,-20) anchor:middle color:canvas | ||
from:01/08/2017 till:01/09/2017 text:August | |||
from:01/09/2017 till:01/10/2017 text:September | |||
from:01/10/2017 till:01/11/2017 text:October | |||
from:01/11/2017 till:01/12/2017 text:November | |||
from:01/12/2017 till:01/01/2018 text:December | |||
from:01/01/2018 till:01/02/2018 text:January | from:01/01/2018 till:01/02/2018 text:January | ||
from:01/02/2018 till:01/03/2018 text:February | from:01/02/2018 till:01/03/2018 text:February | ||
from:01/03/2018 till:01/04/2018 text:March | |||
from:01/04/2018 till:01/05/2018 text:April | |||
from:01/05/2018 till:01/06/2018 text:May | |||
TextData = | TextData = | ||
Line 73: | Line 83: | ||
text:"])" | text:"])" | ||
</timeline> | </timeline> | ||
</ |
</div> | ||
Despite the season officially beginning on 15 November 2017, the basin featured no tropical systems in November and December, owing to below-average ]s and a period of enhanced ]s causing conditions across the basin to be unfavorable for ]. This made the 2017–18 season the third in a row to not feature a tropical system before 1 January.<ref name="season overview">{{cite web |title=Ouverture de la saison cyclonique 2018/2019 à La Réunion |url=http://www.reunion.gouv.fr/IMG/pdf/2018-12-10_dp-saison_cyclonique_2018-2019.pdf |publisher=Météo-France La Réunion |access-date=29 August 2021 |language=fr |date=10 December 2018 |archive-date=August 29, 2021 |archive-url=https://web.archive.org/web/20210829074044/http://www.reunion.gouv.fr/IMG/pdf/2018-12-10_dp-saison_cyclonique_2018-2019.pdf |url-status=dead }}</ref> The first system, Tropical Cyclone Ava, became a tropical disturbance only on 1 January 2018,<ref name="Ava MFR"/> placing 2017–18 in the five latest-starting seasons since the satellite era began in 1967. January, however, was very active with four named systems developing (including Irving which entered the basin from the Australian region); Berguitta and Cebile in particular would become intense tropical cyclones on ]. This tied with 1968 for the most active January, and ranked just behind February 1971 for the most named storms forming in a month.<ref name="season overview"/> | |||
Following the dissipation of Cebile on 7 February,<ref name="Cebile MFR"/> no cyclone activity occurred in the basin for three weeks. March featured two systems: Dumazile in the first week of the month, and Eliakim in the third. Inactivity settled in again after Eliakim dissipated on 20 March and lasted for a month. The last week of April saw two systems, Fakir and Flamboyan (which entered the basin from the Australian region). The season ended on 1 May—about two weeks later than normal—with the dissipation of Flamboyan. Overall, the season featured near-normal activity with eight named storms (compared to the average of nine). However, a larger-than-normal fraction of these named storms reached tropical cyclone status. The season also featured greater than usual impact on land areas, as most of the systems formed in the western part of the basin and were thus in closer proximity to land. The ] were especially hard-hit, particularly Réunion which suffered the effects of five cyclones.<ref name="season overview"/> | |||
===Effects on Réunion=== | |||
] | |||
The season had a large-scale impact across Réunion, with five cyclones: Ava, Berguitta, Dumazile, Eliakim, and Fakir, affecting the island.<ref name="Beach damage effects"/> Accumulating rainfall from the cyclones generated ravines which prevented employees from getting to work and caused significant damage to small-scale fishing operations, agriculture, roads, houses, and public infrastructure. Preliminary assessments of damage totaled at least €15 million (US$17.6 million), however, the final total was expected to be significantly greater. In May 2018, electrical and water companies were conducting repairs on a daily basis. Repairs were also taking place to cliffs.<ref>{{cite news |last1=Floch |first1=Fabrice |title=Berguitta, Dumazilé et, finalement Fakir ont ponctué cette saison cyclonique exceptionnelle. 2018 restera gravé dans toutes les mémoires. Trois dépressions cycloniques et des semaines incessantes de pluies laissent une facture de 15 millions d'euros de dégâts. |url=https://la1ere.francetvinfo.fr/reunion/saison-cyclonique-u15-euros-degats-584807.html |access-date=6 August 2021 |publisher=France TV Information |date=2 May 2018 |language=fr |archive-date=June 29, 2021 |archive-url=https://web.archive.org/web/20210629220552/https://la1ere.francetvinfo.fr/reunion/saison-cyclonique-u15-euros-degats-584807.html |url-status=live }}</ref> Berguitta and Fakir damaged the Wolmar and Tamarin beaches by displacing sand.<ref name="Beach damage effects">{{cite news |last1=Maugueret |first1=Xavier |title=Rivière-Noire: la menace de l'érosion est prise au sérieux |url=https://www.lexpress.mu/article/330479/riviere-noire-menace-lerosion-est-prise-au-serieux |access-date=4 August 2021 |work=Lexpress.mu |date=27 April 2018 |language=fr |archive-date=July 11, 2021 |archive-url=https://web.archive.org/web/20210711030600/https://www.lexpress.mu/article/330479/riviere-noire-menace-lerosion-est-prise-au-serieux |url-status=live }}</ref> | |||
Fakir furthered the losses of Berguitta in the towns of Tampon, Saint-Louis, Petite-Ile, and Saint-Joseph. The rising Saint-Etienne river completely destroyed the Ouaki bridge and over {{convert|100|m|ft|abbr=on}} of roadway near Saint-Louis. The torrential rainfall from Fakir stalled reconstruction efforts for the third time that year.<ref>{{cite news |last1=Weber |first1=Véronique |title=Fakir a rouvert les plaies de janvier |url=https://www.clicanoo.re/Societe/Article/2018/04/26/Fakir-rouvert-les-plaies-de-janvier_526912 |access-date=7 August 2021 |work=Clicanoo |date=26 April 2018 |language=fr |archive-date=August 7, 2021 |archive-url=https://web.archive.org/web/20210807150304/https://www.clicanoo.re/Societe/Article/2018/04/26/Fakir-rouvert-les-plaies-de-janvier_526912 |url-status=live }}</ref> A trail linking Bois Court and Grand Bassin was scheduled to reopen in April 2018 after having been closed since 12 February 2018. Work to stabilize cliffs, following heavy rainfall from Berguitta and Dumazile, took place in March.<ref name="Trail 1">{{cite news |last1=Touzé |first1=Lucie |title=Réouverture partielle du sentier de Grand Bassin à Bois Court début avril |url=https://www.linfo.re/la-reunion/societe/738787-reouverture-partielle-du-sentier-de-grand-bassin-a-bois-court-debut-avril |access-date=7 August 2021 |work=Linfo.re |date=9 March 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604223427/https://www.linfo.re/la-reunion/societe/738787-reouverture-partielle-du-sentier-de-grand-bassin-a-bois-court-debut-avril |url-status=live }}</ref> The Dos d'Ane-Deux Bras trail, which was damaged by Ava, Berguitta, Dumazile, and Fakir, reopened on 17 July 2018.<ref name="Trail 2">{{cite news |title=Environnement : Réouverture de deux sentiers à Mafate |url=https://www.ipreunion.com/actualites-reunion/reportage/2018/07/17/environnement-sentiers-rouverts,87284.html |access-date=7 August 2021 |work=Imaz Press |date=17 July 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604230047/https://www.ipreunion.com/actualites-reunion/reportage/2018/07/17/environnement-sentiers-rouverts,87284.html |url-status=live }}</ref> Several landslides occurred on the RN5 highway, the only major road to Cilaos, after Ava, Berguitta, and Dumazile, resulting in the road being closed for over four months. Work to repair two bridges was halted as a result of a ban on large machinery in the river and threats of criminal prosecution against the workers. Protests erupted on 7 March 2018 as a result of the halted work.<ref name="Cilaos ONLY route">{{cite news |last1=Dupuy |first1=Pierrot |title=Route de Cilaos : Quand la préfecture et le procureur jouent les faux cul |url=https://www.zinfos974.com/Route-de-Cilaos-Quand-la-prefecture-et-le-procureur-jouent-les-faux-cul_a125218.html |access-date=7 August 2021 |work=Zinfos 974 |date=8 March 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604225048/https://www.zinfos974.com/Route-de-Cilaos-Quand-la-prefecture-et-le-procureur-jouent-les-faux-cul_a125218.html |url-status=live }}</ref> | |||
New crops planted in the aftermath of Cyclone Berguitta were largely destroyed by Cyclone Dumazile just a few weeks later. At that point, the island had experienced nearly three months of continuous rainfall, with only ten dry days. Several items, including salads, zucchini, paracress, carrots, and tomatoes, were expected to have shortages or be entirely unavailable.<ref name="Dumazile plants">{{cite news |last1=Valmont |first1=Sébastien |title=Les fruits et légumes péi bientôt en rupture de stock |url=https://www.clicanoo.re/Economie/Article/2018/03/10/Les-fruits-et-legumes-pei-bientot-en-rupture-de-stock_519126 |access-date=7 August 2021 |work=Clicanoo |date=10 March 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604230549/https://www.clicanoo.re/Economie/Article/2018/03/10/Les-fruits-et-legumes-pei-bientot-en-rupture-de-stock_519126 |url-status=live }}</ref> Three systems, mainly Fakir, caused significant damage to sugar canes. Estimates for the sugar harvest fell to {{convert|1,600,000|metric ton|short ton}}, the lowest since ] affected Réunion in 2007.<ref>{{cite news |last1=Marchal |first1=Manuel |title=Double peine pour les planteurs |url=https://www.temoignages.re/politique/canne-a-sucre/double-peine-pour-les-planteurs,93760 |access-date=4 August 2021 |work=Témoignages |date=25 August 2018 |language=fr |archive-date=July 11, 2021 |archive-url=https://web.archive.org/web/20210711090643/https://www.temoignages.re/politique/canne-a-sucre/double-peine-pour-les-planteurs,93760 |url-status=live }}</ref> These losses represent at least 20 percent of the sugar cane production.<ref>{{cite news |last1=Chung |first1=Johanne |title=Hausse des carburants : Jean-François Sababady s'indigne de l'indifférence des syndicats agricoles |url=https://www.clicanoo.re/Economie/Article/2018/05/30/Hausse-des-carburants-Jean-Francois-Sababady-sindigne-de-lindifference |access-date=4 August 2021 |work=Clicanoo |date=30 May 2018 |language=fr |archive-date=July 9, 2021 |archive-url=https://web.archive.org/web/20210709182657/https://www.clicanoo.re/Economie/Article/2018/05/30/Hausse-des-carburants-Jean-Francois-Sababady-sindigne-de-lindifference |url-status=live }}</ref> The actual sugar harvest was less than forecast, reaching {{convert|1,600,000|metric ton|short ton}}, which was the worst harvest in over fifty years.<ref>{{cite news |title=Et rien n'a encore été réglé... : Le mouvement des Gilets Jaunes, "un cyclone sur La Réunion" |url=https://www.ipreunion.com/actualites-reunion/reportage/2019/01/30/retour-a-la-normale-l-apres-gilets-jaunes,96970.html |access-date=7 August 2021 |work=Imaz Press |date=30 January 2019 |language=fr |archive-date=July 11, 2021 |archive-url=https://web.archive.org/web/20210711085020/https://www.ipreunion.com/actualites-reunion/reportage/2019/01/30/retour-a-la-normale-l-apres-gilets-jaunes,96970.html |url-status=live }}</ref> Berguitta, Fakir, and other significant rainfall events caused €39.3 million (US$46.5 million) in agricultural losses. The Réunion prefecture government allocated €41.5 million (US$49.1 million in aid for farms that experiences losses due to the aforementioned weather events and the Yellow Vest protests that took place during November 2018. An additional €16 million (US$18.9 million) in aid was approved for investment projects, farmer income increases, the creation of employment opportunities, and the reduction of prices.<ref>{{cite news |last1=Hitchon |first1=Soe |title=Intempéries et gilets jaunes : 41,51 millions d'euros pour relancer l'agriculture réunionnaise |url=https://www.zinfos974.com/Intemperies-et-gilets-jaunes-4151-millions-d-euros-pour-relancer-l-agriculture-reunionnaise_a135608.html |access-date=4 August 2021 |work=Zinfos 974 |date=28 December 2018 |language=fr |archive-date=August 7, 2021 |archive-url=https://web.archive.org/web/20210807122013/https://www.zinfos974.com/Intemperies-et-gilets-jaunes-4151-millions-d-euros-pour-relancer-l-agriculture-reunionnaise_a135608.html |url-status=live }}</ref> | |||
In March 2019, the General Confederation of Planters and Breeders of Réunion Island requested that the agricultural minister to increase the dispersal rate for the aid package to help with recovery efforts.<ref>{{cite news |last1=Fortier |first1=Jean Noel |title=Les demandes de la CGPER |url=https://www.clicanoo.re/Politique/Article/2019/03/18/Les-demandes-de-la-CGPER_570695 |access-date=4 August 2021 |work=Clicanoo |date=18 March 2019 |language=fr |archive-date=July 11, 2021 |archive-url=https://web.archive.org/web/20210711125455/https://www.clicanoo.re/Politique/Article/2019/03/18/Les-demandes-de-la-CGPER_570695 |url-status=live }}</ref> Aid of €2,000 (US$2,350) per {{convert|1|hectare|acre}} was also promised for some farms, however, the dispersal of the aid was slow. Following Fakir, vegetable prices were expected to increase once again.<ref>{{cite news |last1=Bigot |first1=Prisca |title=Fakir, Dumazile, Berguitta...Les agriculteurs désespérés. Les prix des légumes vont encore augmenter |url=https://www.zinfos974.com/Fakir-Dumazile-Berguitta-Les-agriculteurs-desesperes-Les-prix-des-legumes-vont-encore-augmenter_a127005.html |access-date=6 August 2021 |work=Zinfos 974 |date=28 April 2018 |language=fr |archive-date=July 9, 2021 |archive-url=https://web.archive.org/web/20210709181619/https://www.zinfos974.com/Fakir-Dumazile-Berguitta-Les-agriculteurs-desesperes-Les-prix-des-legumes-vont-encore-augmenter_a127005.html |url-status=live }}</ref> An additional €2.3 million (US$2.7 million) in aid was authorized by 2 May 2018 by the Réunion Departmental Council.<ref name="May 2 Aid"/> At least 95 farmers had received at least €220,000 (US$258,800) in aid for damage sustained during the season by 11 July 2018.<ref>{{cite news |last1=Magnien |first1=Marine |title=Stéphane Travert en visite à La Réunion |url=https://www.linfo.re/la-reunion/societe/stephane-travert-en-visite-a-la-reunion |access-date=7 August 2021 |work=Linfo.re |date=11 July 2018 |language=fr |archive-date=July 11, 2021 |archive-url=https://web.archive.org/web/20210711055821/https://www.linfo.re/la-reunion/societe/stephane-travert-en-visite-a-la-reunion |url-status=live }}</ref> Agricultural experts anticipated that it would take months or years for farmers to recuperate the losses sustained during the cyclone season.<ref name="May 2 Aid">{{cite news |last1=Magnien |first1=Marine |title=Le Département débloque 2,3 millions d'euros pour les agriculteurs |url=https://www.linfo.re/la-reunion/societe/le-departement-debloque-2-3-millions-d-euros-pour-les-agriculteurs |access-date=7 August 2021 |date=2 May 2018 |language=fr |archive-date=June 5, 2021 |archive-url=https://web.archive.org/web/20210605234453/https://www.linfo.re/la-reunion/societe/le-departement-debloque-2-3-millions-d-euros-pour-les-agriculteurs |url-status=live }}</ref> | |||
After Ava, Berguitta, Dumazile, and Fakir, the mayor of Sainte-Suzanne called for an emergency meeting of the Association of Mayors of Reunion Island in order to discuss potential solutions to the problems these storms caused.<ref>{{cite news |title=Maurice Gironcel demande une réunion d'urgence de l'AMDR |url=https://www.zinfos974.com/Maurice-Gironcel-demande-une-reunion-d-urgence-de-l-AMDR_a126987.html |access-date=6 August 2021 |work=Zinfos 974 |date=25 April 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604230031/https://www.zinfos974.com/Maurice-Gironcel-demande-une-reunion-d-urgence-de-l-AMDR_a126987.html |url-status=live }}</ref> MP David Lorion requested that the Réunion Prefecture government and the Minister of Overseas establish a relief fund to help repair damage sustained by floods and mudslides during cyclones Berguitta and Fakir.<ref>{{cite news |title=Après Fakir, David Lorion demande la mise en place du fonds de secours pour l'Outre-mer |url=https://www.zinfos974.com/Apres-Fakir-David-Lorion-demande-la-mise-en-place-du-fonds-de-secours-pour-l-Outre-mer_a127015.html |access-date=6 August 2021 |work=Zinfos 974 |date=25 April 2018 |language=fr |archive-date=June 29, 2021 |archive-url=https://web.archive.org/web/20210629220533/https://www.zinfos974.com/Apres-Fakir-David-Lorion-demande-la-mise-en-place-du-fonds-de-secours-pour-l-Outre-mer_a127015.html |url-status=live }}</ref> | |||
The season had a considerable impact on plans, weather alerts, construction standards, and infrastructure. The ] discussed implementing multiple improvements following the season, including redrawing risk areas and construction guidelines and adapting school schedules to the island's climate.<ref>{{cite news |last1=Marchal |first1=Manuel |title=" La Réunion pas prête à faire face à un cyclone " |url=https://www.temoignages.re/developpement/environnement/la-reunion-pas-prete-a-faire-face-a-un-cyclone,92965 |access-date=6 August 2021 |work=Témoignages |date=28 April 2018 |language=fr |archive-date=June 29, 2021 |archive-url=https://web.archive.org/web/20210629220541/https://www.temoignages.re/developpement/environnement/la-reunion-pas-prete-a-faire-face-a-un-cyclone,92965 |url-status=live }}</ref> Near ], at least €6.1 million (US$7.3 million) in funds were provided to improve the Chemin Stéphane highway, a roadway used by over 8,500 people per day, by constructing better drainage networks, new sidewalks, and a new driving surface.<ref>{{cite news |title=Conseil départemental : Saint-Pierre : pose de la première pierre des travaux d'aménagement du Chemin Stéphane |url=https://www.ipreunion.com/conseil-general/reportage/2019/03/12/ca-commence-pose-de-la-premiere-pierre-des-travaux-d-amenagement-du-chemin-stephane,99019.html |access-date=6 August 2021 |work=Imaz Press |date=12 March 2019 |language=fr |archive-date=June 29, 2021 |archive-url=https://web.archive.org/web/20210629220551/https://www.ipreunion.com/conseil-general/reportage/2019/03/12/ca-commence-pose-de-la-premiere-pierre-des-travaux-d-amenagement-du-chemin-stephane,99019.html |url-status=live }}</ref> The Réunion Prefecture government assembled a meeting of the mayors on 4 May 2018 to discuss implementing a new warning system for the next cyclone season.<ref>{{cite news |last1=Touzé |first1=Lucie |title=Cyclone : un nouveau système d'alerte mis en place pour la prochaine saison |url=https://www.linfo.re/la-reunion/societe/cyclone-un-nouveau-systeme-d-alerte-mis-en-place-pour-la-prochaine-saison |access-date=7 August 2021 |work=Linfo.re |date=4 May 2018 |language=fr |archive-date=August 3, 2020 |archive-url=https://web.archive.org/web/20200803234555/https://www.linfo.re/la-reunion/societe/cyclone-un-nouveau-systeme-d-alerte-mis-en-place-pour-la-prochaine-saison |url-status=live }}</ref> A new purple alert was created for cyclones affecting the island with winds in excess of 200 km/h (125 mph). The warning system was also modified to allow for warning declarations as a result of severe rainfall.<ref>{{cite news |title=Les événements cycloniques qui ont marqué La Réunion en 2018 |url=https://www.clicanoo.re/Societe/Article/2018/12/31/Les-evenements-cycloniques-qui-ont-marque-La-Reunion-en-2018_562710 |access-date=7 August 2021 |work=Clicanoo |date=31 December 2018 |language=fr |archive-date=August 7, 2021 |archive-url=https://web.archive.org/web/20210807150307/https://www.clicanoo.re/Societe/Article/2018/12/31/Les-evenements-cycloniques-qui-ont-marque-La-Reunion-en-2018_562710 |url-status=live }}</ref> Repair work at the Bras de Cilaos following Berguitta was halted following torrential rainfall during Cyclone Dumazile. Protests erupted in Cilaos because the postponement of work left 400 people isolated on the other side of the city and 100 more at Îlet Furçy.<ref>{{cite news |title=Route de Cilaos : les habitants créent un pont de fortune |url=https://www.linfo.re/la-reunion/societe/738641-route-de-cilaos-les-travaux-a-l-arret-la-population-se-mobilise |access-date=7 August 2021 |work=Linfo.re |date=7 March 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604233403/https://www.linfo.re/la-reunion/societe/738641-route-de-cilaos-les-travaux-a-l-arret-la-population-se-mobilise |url-status=live }}</ref><ref>{{cite news |last1=Patel |first1=Yacoub |title="Nous, yabs, ne sommes pas moins que des poissons" |url=https://www.clicanoo.re/Societe/Article/2018/03/08/Nous-yabs-ne-sommes-pas-moins-que-des-poissons_518733 |access-date=7 August 2021 |work=Clicanoo |date=8 March 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604232314/https://www.clicanoo.re/Societe/Article/2018/03/08/Nous-yabs-ne-sommes-pas-moins-que-des-poissons_518733 |url-status=live }}</ref> | |||
{{clear}} | |||
==Systems== | ==Systems== | ||
=== |
===Tropical Cyclone Ava=== | ||
{{Infobox tropical cyclone small | |||
|Basin=SWI | |Basin=SWI | ||
|Image= |
|Image=Ava 2018-01-05 1021Z.jpg | ||
|Track=Ava 2018 track.png | |Track=Ava 2018 track.png | ||
|Formed= |
|Formed=1 January | ||
|Dissipated= |
|Dissipated=8 January | ||
|10-min winds= |
|10-min winds=80 | ||
|1-min winds= |
|1-min winds=95 | ||
|Pressure= |
|Pressure=965 | ||
|Type= | |||
}}--> | |||
{{Infobox hurricane current | |||
|name=Ava | |||
|MFRcategory=STS | |||
|MFRtype=STS | |||
|category=storm | |||
|type=tropical storm | |||
|lat=17.4|S|lon=51.5|E | |||
|distance_from={{convert|560|km|abbr=on}} NW of ] | |||
|track=JTWC sh0318.gif | |||
|track_caption=Forecast track map | |||
|image=01R 2018-01-02 1020Z.jpg | |||
|time=16:00 RET (12:00 ]),<br/> January 4 | |||
|10sustained=100 ] (65 ]) | |||
|1sustained=100 ] (65 ]) | |||
|gusts=140 km/h (85 mph) | |||
|movement=W at {{convert|5|kn|abbr=on}} | |||
|pressure=983 ] (]; 29.03 ]) | |||
}} | }} | ||
{{main article|Cyclone Ava}} | |||
An area of low pressure formed on 27 December 2017 and was classified as a tropical disturbance by ] La Réunion (MFR) on 30 December. It became Moderate Tropical Storm Ava on 2 January 2018 and intensified to reach peak intensity with 10-minute sustained winds of {{cvt|80|kn|km/h mph|round=5|order=out}}, 1-minute sustained winds of {{cvt|95|kn|km/h mph|round=5|order=out}}, and a central pressure of {{cvt|965|hPa|inHg|sigfig=4}} on 5 January. Ava made landfall over Madagascar shortly after and reemerged over water as a weak tropical storm on 7 January. It became post-tropical on 8 January and dissipated the next day.<ref name="Ava MFR">{{cite web |title=Ava: 2017-12-30 to 2018-01-09 |url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE01.html |publisher=Météo-France La Réunion |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609143542/http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE01.html |url-status=live }}</ref><ref name="Ava IBTrACS">{{cite web |title=2017 Intense Tropical Cyclone AVA (2017364S12065) |url=http://ibtracs.unca.edu/index.php?name=v04r00-2017364S12065 |website=The International Best Track Archive for Climate Stewardship |publisher=University of North Carolina Asheville |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609143542/http://ibtracs.unca.edu/index.php?name=v04r00-2017364S12065 |url-status=live }}</ref> | |||
Ava severely impacted Madagascar, causing at least 73 fatalities.<ref name="AON Annual">{{cite news |title=Weather, Climate & Catastrophe Insight: 2018 Annual Report |url=http://thoughtleadership.aon.com/Documents/20190122-ab-if-annual-weather-climate-report-2018.pdf |access-date=25 July 2021 |work=AON |date=22 January 2019 |archive-date=May 26, 2021 |archive-url=https://web.archive.org/web/20210526083919/http://thoughtleadership.aon.com/Documents/20190122-ab-if-annual-weather-climate-report-2018.pdf |url-status=live }}</ref> Ava combined with the seasonal monsoon to inflict US$195 million in losses across the country.<ref>{{Cite report|date=November 13, 2019|title=The World Bank: Madagascar Disaster Risk Management Development Policy Grant with a Catastrophe Deferred Drawdown Option (Cat DDO) (P167941)|url=http://documents1.worldbank.org/curated/en/137521576465305187/text/Madagascar-Disaster-Risk-Management-Development-Policy-Financing-with-a-Catastrophe-Deferred-Drawdown-Option-Project.txt|website=Documents, The World Bank|publisher=Urban, Resilience, and Land Global Practice. Finance, Competitiveness and Innovation Global Practice for Africa Region|access-date=July 25, 2021|archive-date=August 7, 2021|archive-url=https://web.archive.org/web/20210807121954/https://documents1.worldbank.org/curated/en/137521576465305187/text/Madagascar-Disaster-Risk-Management-Development-Policy-Financing-with-a-Catastrophe-Deferred-Drawdown-Option-Project.txt|url-status=live}}</ref> At least 51,000 people were left homeless in Ava's wake. Over a dozen healthcare facilities were destroyed and nearly 150 schools were impacted. Several dozen classrooms were used as shelters for over 20 thousand people who were displaced by the storm, and over thirty thousand students were unable to go to school.<ref>{{cite news |title=Tropical Cyclone Ava - Jan 2018 |url=https://reliefweb.int/disaster/tc-2018-000001-mdg |access-date=25 July 2021 |work=ReliefWeb |archive-date=July 25, 2021 |archive-url=https://web.archive.org/web/20210725220124/https://reliefweb.int/disaster/tc-2018-000001-mdg |url-status=live }}</ref><ref>{{cite news |title=Plus de 120.000 sinistrés et 33 morts Après le passage d'Ava, le bilan s'alourdit encore à Madagascar |url=https://www.ipreunion.com/actualites-reunion/reportage/2018/01/10/plus-de-120-000-sinistres-et-33-morts-magadascar-le-bilan-du-cyclone-ava-s-alourdit,75078.html |access-date=25 July 2021 |work=Imaz Press |date=10 January 2018 |language=fr |archive-date=July 25, 2021 |archive-url=https://web.archive.org/web/20210725220134/https://www.ipreunion.com/actualites-reunion/reportage/2018/01/10/plus-de-120-000-sinistres-et-33-morts-magadascar-le-bilan-du-cyclone-ava-s-alourdit,75078.html |url-status=live }}</ref> Flooding and landslides forced thousands of people to evacuate across the capital city of ], Brickaville, ], ], and ].<ref>{{cite news |last1=Davies |first1=Richard |title=Madagascar – Cyclone Ava Causes Floods and Landslides, 6 Dead and 15,000 Displaced |url=https://floodlist.com/africa/madagascar-cyclone-ava-january-2018 |access-date=25 July 2021 |work=FloodList |date=8 January 2018 |archive-date=July 25, 2021 |archive-url=https://web.archive.org/web/20210725224323/https://floodlist.com/africa/madagascar-cyclone-ava-january-2018 |url-status=live }}</ref> The storm caused significant damage to infrastructure across the country, with floods washing away bridges and damaging roadways.<ref>{{cite news |last1=Rahaga |first1=Ny Aina |title=Les infrastructures peu fiables mises à nues |url=https://www.madagascar-tribune.com/Les-infrastructures-peu-fiables,23539.html |access-date=25 July 2021 |work=Madagascar Tribune |date=9 January 2018 |language=fr |archive-date=July 25, 2021 |archive-url=https://web.archive.org/web/20210725224324/https://www.madagascar-tribune.com/Les-infrastructures-peu-fiables,23539.html |url-status=live }}</ref> Heavy rainfall also occurred in ], flooding roads and houses. The rainfall either damaged or destroyed thirty-to-fifty percent of crops across local plantations.<ref>{{cite news |title=Cyclone Ava dominates media coverage in Mauritius |url=https://www.infosplusgabon.com/a-la-une/8780-cyclone-ava-dominates-media-coverage-in-mauritius |access-date=25 July 2021 |work=Infos Plus Gabon |date=7 January 2018 |archive-date=July 25, 2021 |archive-url=https://web.archive.org/web/20210725224323/https://www.infosplusgabon.com/a-la-une/8780-cyclone-ava-dominates-media-coverage-in-mauritius |url-status=live }}</ref> | |||
==== Current storm information ==== | |||
{{Clear}} | |||
As of 16:00 RET (12:00 ]) January 4, Severe Tropical Storm Ava is located near {{coord|-17.4|51.5|dim:100km|name=Ava}}, about {{convert|560|km|abbr=off}} northwest of La Réunion. 10-minute sustained winds are at 100 km/h (65 mph), while 1-minute sustained winds are at 100 km/h (65 mph), with gusts of up to 140 km/h (85 mph). The minimum barometric pressure is at {{Convert|983|hPa|inHg|2}}, and the system is moving westwards at {{convert|5|kn}}. | |||
===Tropical Cyclone Irving=== | |||
For latest official information, see: | |||
{{Infobox tropical cyclone small | |||
* The MFR's | |||
|Basin=SWI | |||
* The JTWC's | |||
|Image=Irving 2018-01-08 0518Z.jpg | |||
|Track=Irving 2018 track.png | |||
|Formed=6 January <small>(])</small> | |||
|Dissipated=9 January | |||
|10-min winds=80 | |||
|1-min winds=95 | |||
|Pressure=965 | |||
}} | |||
{{expand section|date=April 2018}} | |||
Tropical Cyclone Irving was named by the ] of Australia on 6 January as it crossed over into the South-West Indian Ocean basin a few hours later. It strengthened to an equivalent of a Category 2 cyclone, before weakening as it turned southwestwards. It became post-tropical on 9 January as it dissipated to the west of ]. It stayed well from land.<ref name="Irving MFR">{{cite web |title=Irving: 2018-01-05 to 2018-01-11 |url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE02.html |publisher=Météo-France La Réunion |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609143957/http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE02.html |url-status=live }}</ref><ref name="Irving IBTrACS">{{cite web |title=2018 Intense Tropical Cyclone IRVING (2018004S08095) |url=http://ibtracs.unca.edu/index.php?name=v04r00-2018004S08095 |website=The International Best Track Archive for Climate Stewardship |publisher=University of North Carolina Asheville |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609143955/http://ibtracs.unca.edu/index.php?name=v04r00-2018004S08095 |url-status=live }}</ref> | |||
{{Clear}} | {{Clear}} | ||
===Intense Tropical Cyclone Berguitta=== | |||
{{Infobox tropical cyclone small | |||
|Basin=SWI | |||
|Image=Berguitta 2018-01-15 0950Z.jpg | |||
|Track=Berguitta 2018 track.png | |||
|Formed=11 January | |||
|Dissipated=19 January | |||
|10-min winds=90 | |||
|1-min winds=105 | |||
|Pressure=960 | |||
}} | |||
{{main article|Cyclone Berguitta}} | |||
Berguitta formed on 11 January and dissipated on 19 January.<ref name="Berguitta MFR">{{cite web |title=Berguitta: 2018-01-10 to 2018-01-24 |url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE03.html |publisher=Météo-France La Réunion |access-date=9 June 2021 |archive-date=June 2, 2021 |archive-url=https://web.archive.org/web/20210602212418/http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE03.html |url-status=live }}</ref><ref name="Berguitta IBTrACS">{{cite web |title=2018 Intense Tropical Cyclone BERGUITTA (2018010S10069) |url=http://ibtracs.unca.edu/index.php?name=v04r00-2018010S10069 |website=The International Best Track Archive for Climate Stewardship |publisher=University of North Carolina Asheville |access-date=9 June 2021 |archive-date=June 2, 2021 |archive-url=https://web.archive.org/web/20210602213433/http://ibtracs.unca.edu/index.php?name=v04r00-2018010S10069 |url-status=live }}</ref> | |||
Berguitta brought damaging winds and torrential rainfall to Rodrigues. The island received nearly a quarter of its average annual rainfall during 13–15 January.<ref>{{cite news |title=Rodrigues : 25% de la pluviométrie annuelle en trois jours |url=https://www.lemauricien.com/actualites/rodrigues-25-de-la-pluviometrie-annuelle-en-trois-jours/177568/ |access-date=4 June 2021 |work=Le Mauricien |date=24 January 2018 |language=fr |archive-date=June 7, 2021 |archive-url=https://web.archive.org/web/20210607092922/https://www.lemauricien.com/actualites/rodrigues-25-de-la-pluviometrie-annuelle-en-trois-jours/177568/ |url-status=live }}</ref> As a result, severe, widescale flooding ensued, most notably in low-lying regions.<ref>{{cite news |title=Berguitta se rapproche de Maurice |url=https://www.lemauricien.com/actualites/berguitta-se-rapproche-de-maurice/175247/ |access-date=3 June 2021 |work=Le Mauricien |date=16 January 2018 |language=fr |archive-date=June 3, 2021 |archive-url=https://web.archive.org/web/20210603164958/https://www.lemauricien.com/actualites/berguitta-se-rapproche-de-maurice/175247/ |url-status=live }}</ref> Felled trees damaged powerlines and floodwaters blocked roads.<ref>{{cite news |last1=Elix |first1=Joëlle |title=Mauvais temps: les autorités se retroussent les manches |url=https://www.lexpress.mu/article/324589/mauvais-temps-autorites-retroussent-manches |access-date=3 June 2021 |work=L'Express |date=14 January 2018 |language=fr |archive-date=June 3, 2021 |archive-url=https://web.archive.org/web/20210603205351/https://www.lexpress.mu/article/324589/mauvais-temps-autorites-retroussent-manches |url-status=live }}</ref><ref>{{cite news |title=Un avis de pluie torrentielle est en vigueur à Rodrigues |url=https://www.lemauricien.com/actualites/un-avis-de-pluie-torrentielle-est-en-vigueur-rodrigues/175154/ |access-date=4 June 2021 |work=Le Mauricien |date=16 January 2018 |language=fr |archive-date=June 7, 2021 |archive-url=https://web.archive.org/web/20210607092923/https://www.lemauricien.com/actualites/un-avis-de-pluie-torrentielle-est-en-vigueur-rodrigues/175154/ |url-status=live }}</ref> On Mauritius Island, two days of nonstop rainfall from 17 to 18 January also resulted in severe flooding.<ref>{{cite news |title=Mare-aux-Vacoas : 196,6 mm de pluie en 16 heures |url=https://www.lexpress.mu/article/324940/mare-aux-vacoas-1966-mm-pluie-en-16-heures |access-date=4 June 2021 |work=L'Express |date=18 January 2018 |language=fr |archive-date=January 18, 2018 |archive-url=https://web.archive.org/web/20180118170450/https://www.lexpress.mu/article/324940/mare-aux-vacoas-1966-mm-pluie-en-16-heures |url-status=live }}</ref> The floodwaters damaged around 75–80 percent of the island's agriculture and damaged buildings.<ref>{{cite news |last1=Jilani |first1=Ahmad Fakuddeen |title=Pénurie des légumes : des importations s'avèrent nécessaires |url=https://starpress.info/penurie-legumes-importations-saverent-necessaires-3549/ |access-date=4 June 2021 |work=Mauritius Star Press |date=23 January 2018 |language=fr |archive-date=September 30, 2020 |archive-url=https://web.archive.org/web/20200930215339/https://starpress.info/penurie-legumes-importations-saverent-necessaires-3549/ |url-status=live }}</ref><ref>{{cite news |title=Importation de légumes: les premières cargaisons attendues en fin de semaine |url=https://www.lexpress.mu/article/325180/importation-legumes-premieres-cargaisons-attendues-en-fin-semaine |access-date=4 June 2021 |work=L'Express |date=22 January 2018 |language=fr |archive-date=June 7, 2021 |archive-url=https://web.archive.org/web/20210607093016/https://www.lexpress.mu/article/325180/importation-legumes-premieres-cargaisons-attendues-en-fin-semaine |url-status=live }}</ref><ref>{{cite news |last1=Acquilina |first1=Fabrice |title=Berguitta: gros dégâts au Riverland Sports Club |url=https://www.lexpress.mu/article/324955/berguitta-gros-degats-au-riverland-sports-club |access-date=4 June 2021 |work=L'Express |date=18 January 2018 |language=fr |archive-date=January 18, 2018 |archive-url=https://web.archive.org/web/20180118165702/https://www.lexpress.mu/article/324955/berguitta-gros-degats-au-riverland-sports-club |url-status=live }}</ref> Water utilities in the capital of Port Louis were disrupted by the storm,<ref>{{cite news |title=Distribution d'eau: amélioration attendue à Port-Louis dans les heures à venir |url=https://www.lexpress.mu/article/324961/distribution-deau-amelioration-attendue-port-louis-dans-heures-venir |access-date=4 June 2021 |work=L'Express |date=18 January 2018 |language=fr |archive-date=January 18, 2018 |archive-url=https://web.archive.org/web/20180118154525/https://www.lexpress.mu/article/324961/distribution-deau-amelioration-attendue-port-louis-dans-heures-venir |url-status=live }}</ref> and around 6,800 residences lost power as trees fell on electrical cables.<ref>{{cite news |title=Post-Berguitta: moins de 400 foyers privés d'électricité, 4 routes impraticables |url=https://www.lexpress.mu/article/325002/post-berguitta-moins-400-foyers-prives-delectricite-4-routes-impraticables |access-date=4 June 2021 |work=L'Express |date=19 January 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604080507/https://www.lexpress.mu/article/325002/post-berguitta-moins-400-foyers-prives-delectricite-4-routes-impraticables |url-status=live }}</ref><ref>{{cite news |title=Berguitta: entre 3 000 et 5 000 foyers privés d'électricité |url=https://www.lexpress.mu/article/324895/berguitta-entre-3-000-et-5-000-foyers-prives-delectricite |access-date=3 June 2021 |work=L'Express |date=18 January 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604071744/https://www.lexpress.mu/article/324895/berguitta-entre-3-000-et-5-000-foyers-prives-delectricite |url-status=live }}</ref> Two people died on the island: one person fell off of a ladder and another was killed in a traffic accident.<ref>{{cite news |last1=Abel |first1=Vinesen |title=À Wooton: la route fait une neuvième victime |url=https://www.lexpress.mu/article/324834/wooton-route-fait-une-neuvieme-victime |access-date=3 June 2021 |work=L'Express |date=17 January 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604063806/https://www.lexpress.mu/article/324834/wooton-route-fait-une-neuvieme-victime |url-status=live }}</ref><ref>{{cite news |title=Il chute du toit de sa maison lors du passage de Berguitta: Serge Gérard Nayna n'a pas survécu |url=https://www.lexpress.mu/article/325282/il-chute-toit-sa-maison-lors-passage-berguitta-serge-gerard-nayna-na-pas-survecu |access-date=3 June 2021 |work=L'Express |date=24 January 2018 |language=fr |archive-date=June 3, 2021 |archive-url=https://web.archive.org/web/20210603205551/https://www.lexpress.mu/article/325282/il-chute-toit-sa-maison-lors-passage-berguitta-serge-gerard-nayna-na-pas-survecu |url-status=live }}</ref> At least ₨ 2 billion (US$58 million) in economic losses occurred across the island nation.<ref>{{cite news |title=Berguitta - Eric Ng : "Un manque à gagner de Rs 2 Md pour l'économie" |url=https://business.mega.mu/2018/01/18/berguitta-eric-ng-un-manque-gagner-de-rs-2-md-pour-leconomie/ |access-date=3 June 2021 |work=Business Mega |date=18 January 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604070918/https://business.mega.mu/2018/01/18/berguitta-eric-ng-un-manque-gagner-de-rs-2-md-pour-leconomie/ |url-status=live }}</ref> The Mauritian government allocated relief funds to at least 13,000 citizens.<ref>{{cite news |title=Berguitta a fait 4 043 sinistrés |url=https://www.lemauricien.com/actualites/berguitta-fait-4-043-sinistres/176768/ |access-date=3 June 2021 |work=Le Mauricien |date=21 January 2018 |language=fr |archive-date=June 3, 2021 |archive-url=https://web.archive.org/web/20210603173124/https://www.lemauricien.com/actualites/berguitta-fait-4-043-sinistres/176768/ |url-status=live }}</ref> Protests erupted twice in the country: the first occurred as a result of delayed and small relief fund payments,<ref>{{cite news |last1=Ponceneau |first1=Santana |last2=Etwaroo |first2=Rishi |title=Post-Berguitta: une centaine de sinistrés révoltés dans les rues de Port-Louis |url=https://www.lexpress.mu/article/325009/post-berguitta-une-centaine-sinistres-revoltes-dans-rues-port-louis |access-date=4 June 2021 |work=L'Express |date=19 January 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604080156/https://www.lexpress.mu/article/325009/post-berguitta-une-centaine-sinistres-revoltes-dans-rues-port-louis |url-status=live }}</ref><ref>{{cite news |title=Terre-Rouge: grosse colère des sinistrés |url=https://www.lexpress.mu/article/325030/terre-rouge-grosse-colere-sinistres |access-date=4 June 2021 |work=L'Express |date=19 January 2018 |language=fr |archive-date=June 3, 2021 |archive-url=https://web.archive.org/web/20210603164601/https://www.lexpress.mu/article/325030/terre-rouge-grosse-colere-sinistres |url-status=live }}</ref><ref>{{cite news |last1=Nancoo |first1=Hansa |last2=Ponceneau |first2=Santana |title=Sinistrés: le montant des allocations perçues provoque le mécontentement |url=https://www.lexpress.mu/article/325184/sinistres-montant-allocations-percues-provoque-mecontentement |access-date=3 June 2021 |work=L'Express |date=22 January 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604071615/https://www.lexpress.mu/article/325184/sinistres-montant-allocations-percues-provoque-mecontentement |url-status=live }}</ref> and the second occurred several months later as a result of families being evicted from disaster evacuation centers.<ref>{{cite news |title=Grève de la faim des réfugiés St-Malo : "Se injustice social kinn vinn lamod" |url=https://www.lemauricien.com/actualites/greve-de-la-faim-des-refugies-st-malo-ce-injustice-social-kinn-vinn-lamod/217717/ |access-date=4 June 2021 |work=Le Mauricien |date=14 July 2018 |language=fr |archive-date=June 7, 2021 |archive-url=https://web.archive.org/web/20210607093020/https://www.lemauricien.com/actualites/greve-de-la-faim-des-refugies-st-malo-ce-injustice-social-kinn-vinn-lamod/217717/ |url-status=live }}</ref><ref>{{cite news |title=Manif dans la capitale : les sinistrés de St-Malo en attente du ministre Wong et de la NEF |url=https://www.lemauricien.com/actualites/manif-dans-la-capitale-les-sinistres-de-st-malo-en-attente-du-ministre-wong-et-de-la-nef/220987/ |access-date=4 June 2021 |work=Le Mauricien |date=30 July 2018 |language=fr |archive-date=June 7, 2021 |archive-url=https://web.archive.org/web/20210607092941/https://www.lemauricien.com/actualites/manif-dans-la-capitale-les-sinistres-de-st-malo-en-attente-du-ministre-wong-et-de-la-nef/220987/ |url-status=live }}</ref><ref>{{cite news |title=Ouf de soulagement pour les sinistrés de St-Malo |url=https://www.lemauricien.com/actualites/sinitres-de-st-malo-les-logement-prevus-pour-mi-octobre/221705/ |access-date=4 June 2021 |work=Le Mauricien |date=2 August 2018 |language=fr |archive-date=June 7, 2021 |archive-url=https://web.archive.org/web/20210607092949/https://www.lemauricien.com/actualites/sinitres-de-st-malo-les-logement-prevus-pour-mi-octobre/221705/ |url-status=live }}</ref> | |||
Heavy rainfall and winds impacted Réunion on 18 January,<ref>{{cite news |title= La forte tempête Berguitta s'éloigne: L'alerte orange devrait être levée en "fin de nuit" |url=https://www.ipreunion.com/actualites-reunion/reportage/2018/01/18/-live-photos-video-la-forte-tempete-tropicale-a-110-kms-berguitta-coupe-l-ile-en-deux,75487.html |access-date=7 June 2021 |work=Imaz Press Réunion |date=18 January 2018 |language=fr |archive-date=January 19, 2018 |archive-url=https://web.archive.org/web/20180119031153/http://www.ipreunion.com/actualites-reunion/reportage/2018/01/18/-live-photos-video-la-forte-tempete-tropicale-a-110-kms-berguitta-coupe-l-ile-en-deux,75487.html |url-status=live }}</ref> causing flooding and landslides across the southern region of the island.<ref>{{cite news |title= Le point sur la circulation: Routes fermées, chaussées inondées, radiers submergés |url=https://www.ipreunion.com/actualites-reunion/reportage/2018/01/18/-saint-pierre-les-radiers-fermes-et-les-chemins-degrades,75465.html |access-date=7 June 2021 |work=Imaz Press Réunion |date=18 January 2018 |language=fr |archive-date=March 23, 2021 |archive-url=https://web.archive.org/web/20210323004717/https://www.ipreunion.com/actualites-reunion/reportage/2018/01/18/-saint-pierre-les-radiers-fermes-et-les-chemins-degrades,75465.html |url-status=live }}</ref> The storm broke several records for rainfall, most notably at ], where {{convert|1862|mm|in|abbr=on}} of rain fell during an 8-day stretch.<ref>{{cite news |title=Berguitta pulvérise des records de précipitations |url=https://www.clicanoo.re/Societe/Article/2018/02/02/Berguitta-pulverise-des-records-de-precipitations_513032 |access-date=7 June 2021 |work=Journal de l'île de La Réunion |date=2 February 2018 |language=fr |archive-date=June 7, 2021 |archive-url=https://web.archive.org/web/20210607092940/https://www.clicanoo.re/Societe/Article/2018/02/02/Berguitta-pulverise-des-records-de-precipitations_513032 |url-status=live }}</ref> Floodwaters damaged highways, ruined agriculture,<ref name="Berguitta Ag">{{cite news |title=La reconnaissance d'un état de catastrophe naturelle à l'étude dès lundi, à Paris |url=https://www.clicanoo.re/Berguitta/Politique/Article/2018/01/24/La-reconnaissance-dun-etat-de-catastrophe-naturelle-letude |access-date=7 June 2021 |work=Journal de l'île de La Réunion |date=24 January 2018 |language=fr |archive-date=August 8, 2021 |archive-url=https://web.archive.org/web/20210808222407/https://www.clicanoo.re/Berguitta/Politique/Article/2018/01/24/La-reconnaissance-dun-etat-de-catastrophe-naturelle-letude |url-status=live }}</ref> and caused one person to go missing after they were washed away.<ref>{{cite news |title=L'après-Berguitta : encore de nombreux foyers privés d'eau ou d'électricité et de nombreux radiers impraticables |url=https://www.clicanoo.re/Berguitta/Societe/Article/2018/01/19/Lapres-Berguitta-encore-de-nombreux-foyers-prives-deau-ou |access-date=7 June 2021 |work=Journal de l'île de La Réunion |date=19 January 2018 |language=fr |archive-date=February 28, 2018 |archive-url=https://web.archive.org/web/20180228090433/https://www.clicanoo.re/Berguitta/Societe/Article/2018/01/19/Lapres-Berguitta-encore-de-nombreux-foyers-prives-deau-ou |url-status=live }}</ref> At least 100,000 customers were left without power,<ref>{{cite news |last1=Yepes |first1=Manuel |title=Berguitta : 8 000 foyers restent privés d'électricité (point à 11h) |url=https://www.linfo.re/la-reunion/societe/735206-berguitta-8-000-clients-restent-prives-d-electricite-point-a-11h |access-date=7 June 2021 |work=Linfo.re |date=19 January 2018 |language=fr |archive-date=June 7, 2021 |archive-url=https://web.archive.org/web/20210607092932/https://www.linfo.re/la-reunion/societe/735206-berguitta-8-000-clients-restent-prives-d-electricite-point-a-11h |url-status=live }}</ref> and access to potable water was cut off in multiple communes.<ref>{{cite news |title=Passage de Berguitta: L'état de la distribution de l'eau commune par commune |url=https://www.ipreunion.com/actualites-reunion/reportage/2018/01/18/passage-de-berguitta-l-etat-de-la-distribution-de-l-eau-commune-par-commune,75508.html |work=Imaz Press Réunion |date=18 January 2018 |language=fr |access-date=August 8, 2021 |archive-date=October 23, 2020 |archive-url=https://web.archive.org/web/20201023003848/http://www.ipreunion.com/actualites-reunion/reportage/2018/01/18/passage-de-berguitta-l-etat-de-la-distribution-de-l-eau-commune-par-commune,75508.html |url-status=live }}</ref><ref>{{cite news |title=L'après-Berguitta : les recommandations de l'ARS |url=https://www.clicanoo.re/Societe/Article/2018/01/21/Lapres-Berguitta-les-recommandations-de-lARS_510961 |access-date=7 June 2021 |work=Journal de l'île de La Réunion |date=21 January 2018 |language=fr |archive-date=March 7, 2018 |archive-url=https://web.archive.org/web/20180307204130/https://www.clicanoo.re/Societe/Article/2018/01/21/Lapres-Berguitta-les-recommandations-de-lARS_510961 |url-status=live }}</ref> Agricultural damage was estimated to be €16.7 million (US$20.5 million),<ref name="Berguitta Ag"/> while total economic losses across Réunion were €41 million (US$50 million).<ref>{{cite news |title=Ibrahim Patel : "Un manque de 41 millions d'euros à gagner" |url=https://www.linfo.re/la-reunion/societe/736242-ibrahim-patel-un-manque-de-41-millions-d-euros-a-gagner |access-date=7 June 2021 |work=Linfo.re |date=1 February 2018 |language=fr |archive-date=August 8, 2021 |archive-url=https://web.archive.org/web/20210808222335/https://www.linfo.re/la-reunion/societe/736242-ibrahim-patel-un-manque-de-41-millions-d-euros-a-gagner |url-status=live }}</ref> The only major highway connecting Cilaos with other towns was severed by multiple landslides,<ref>{{cite news |title=Berguitta : l'étendue des dégâts après le passage de la tempête tropicale |url=https://www.linfo.re/la-reunion/societe/735250-berguitta-l-etendue-des-degats-apres-le-passage-de-la-tempete-tropicale |access-date=7 June 2021 |work=Linfo.re |date=20 January 2018 |language=fr |archive-date=December 11, 2018 |archive-url=https://web.archive.org/web/20181211234317/http://www.linfo.re/la-reunion/societe/735250-berguitta-l-etendue-des-degats-apres-le-passage-de-la-tempete-tropicale |url-status=live }}</ref> bringing the local economy to a halt.<ref>{{cite news |title=Fermée à la circulation depuis le 18 janvier: Éboulements sur éboulements : l'enfer de la route de Cilaos |url=https://www.ipreunion.com/actualites-reunion/reportage/2018/01/27/cilaos-coup-du-monde-plus-d-activit-conomique-cilaos-coup-du-monde-plus-d-activit-conomique,75876.html |access-date=7 June 2021 |work=Imaz Press Réunion |date=27 January 2018 |language=fr |archive-date=February 26, 2021 |archive-url=https://web.archive.org/web/20210226135007/https://www.ipreunion.com/actualites-reunion/reportage/2018/01/27/cilaos-coup-du-monde-plus-d-activit-conomique-cilaos-coup-du-monde-plus-d-activit-conomique,75876.html |url-status=live }}</ref><ref>{{cite news |last1=Touzé |first1=Lucie |title=Les commerçants de Cilaos manifestent à Saint-Pierre |url=https://www.linfo.re/la-reunion/societe/738985-les-commercants-de-cilaos-manifestent-a-saint-pierre |access-date=7 June 2021 |work=Linfo.re |date=12 March 2018 |language=fr |archive-date=April 28, 2020 |archive-url=https://web.archive.org/web/20200428215453/https://www.linfo.re/la-reunion/societe/738985-les-commercants-de-cilaos-manifestent-a-saint-pierre |url-status=live }}</ref> The Réunion Prefecture government provided several million euros in relief aid,<ref>{{cite news |title=Une aide régionale de 600 000 euros pour 10 entreprises sinistrées par Berguitta |url=https://www.clicanoo.re/Economie/Article/2018/03/20/Une-aide-regionale-de-600-000-euros-pour-10-entreprises-sinistrees-par |access-date=7 June 2021 |work=Journal de l'île de La Réunion |date=20 March 2018 |language=fr |archive-date=August 8, 2021 |archive-url=https://web.archive.org/web/20210808222443/https://www.clicanoo.re/Economie/Article/2018/03/20/Une-aide-regionale-de-600-000-euros-pour-10-entreprises-sinistrees-par |url-status=live }}</ref><ref>{{cite news |title=Berguitta : la Région débloque 2 millions d'euros pour les entreprises de Cilaos |url=https://www.linfo.re/la-reunion/economie/736575-berguitta-la-region-debloque-2-millions-d-euros-pour-les-entreprises-de-cilaos |access-date=7 June 2021 |work=Linfo.re |date=6 February 2018 |language=fr |archive-date=March 8, 2018 |archive-url=https://web.archive.org/web/20180308002508/http://www.linfo.re/la-reunion/economie/736575-berguitta-la-region-debloque-2-millions-d-euros-pour-les-entreprises-de-cilaos |url-status=live }}</ref> however, reconstruction efforts were later disrupted by cyclones Dumazile and Fakir.<ref>{{cite news |title=Route de Cilaos : les habitants créent un pont de fortune |url=https://www.linfo.re/la-reunion/societe/738641-route-de-cilaos-les-travaux-a-l-arret-la-population-se-mobilise |access-date=10 July 2021 |work=Linfo.re |date=7 March 2018 |language=fr |archive-date=June 4, 2021 |archive-url=https://web.archive.org/web/20210604233403/https://www.linfo.re/la-reunion/societe/738641-route-de-cilaos-les-travaux-a-l-arret-la-population-se-mobilise |url-status=live }}</ref><ref>{{cite news |last1=Weber |first1=Véronique |title=Fakir a rouvert les plaies de janvier |url=https://www.clicanoo.re/Societe/Article/2018/04/26/Fakir-rouvert-les-plaies-de-janvier_526912 |access-date=7 June 2021 |work=Journal de l'île de La Réunion |date=26 April 2018 |language=fr |archive-date=August 7, 2021 |archive-url=https://web.archive.org/web/20210807150304/https://www.clicanoo.re/Societe/Article/2018/04/26/Fakir-rouvert-les-plaies-de-janvier_526912 |url-status=live }}</ref> | |||
{{Clear}} | |||
===Tropical Depression 04=== | |||
{{Infobox tropical cyclone small | |||
|Basin=SWI | |||
|Image=04R 2018-01-15 1130Z.jpg | |||
|Track=04R 2018 track.png | |||
|Formed=January 14 | |||
|Dissipated=January 16 | |||
|10-min winds=30 | |||
|1-min winds= | |||
|Pressure=999 | |||
}} | |||
The depression formed on January 14 and dissipated on January 16. | |||
The depression formed over the ] before making landfall on ]. Its remnants reemerged over the Mozambique Channel before moving over ]. The depression regenerated after reemerging into the ocean before dissipating northeast of Madagascar. | |||
{{Clear}} | |||
===Intense Tropical Cyclone Cebile=== | |||
{{Infobox tropical cyclone small | |||
|Basin=SWI | |||
|Image=Cebile_2018-01-31_0524Z.jpg | |||
|Track=Cebile 2018 track.png | |||
|Formed=26 January | |||
|Dissipated=7 February | |||
|10-min winds=100 | |||
|1-min winds=115 | |||
|Pressure=940 | |||
}} | |||
Cebile formed on 26 January and dissipated on 7 February. A long-lived cyclone, it erratically moved to the west, then to the south, then to the east, to the south, to the southeast, then to the south again, to the west, when it started to become extratropical. It peaked as an Intense Tropical Cyclone, or equivalent to a strong Category 4 cyclone. It stayed well away from land.<ref name="Cebile MFR">{{cite web |title=Cebile: 2018-01-25 to 2018-02-09 |url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE05.html |publisher=Météo-France La Réunion |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609144615/http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE05.html |url-status=live }}</ref><ref name="Cebile IBTrACS">{{cite web |title=2018 Intense Tropical Cyclone CEBILE (2018025S09080) |url=http://ibtracs.unca.edu/index.php?name=v04r00-2018025S09080 |website=The International Best Track Archive for Climate Stewardship |publisher=University of North Carolina Asheville |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609144615/http://ibtracs.unca.edu/index.php?name=v04r00-2018025S09080 |url-status=live }}</ref> | |||
{{Clear}} | |||
===Intense Tropical Cyclone Dumazile=== | |||
{{Infobox tropical cyclone small | |||
|Basin=SWI | |||
|Image=Dumazile 2018-03-05 1013Z.jpg | |||
|Track=Dumazile 2018 track.png | |||
|Formed=2 March | |||
|Dissipated=6 March | |||
|10-min winds=90 | |||
|1-min winds=110 | |||
|Pressure=945 | |||
}} | |||
{{main article|Cyclone Dumazile}} | |||
Dumazile formed from a low on 2 March. {{cn span|After formation, Dumazile began rounding a subtropical ridge to the east.|date=April 2018}} Dumazile brought heavy rain to ].<ref>{{cite news|title= Madagascar – Heavy Rain Reported as Tropical Cyclone Dumazile Moves South|url= http://floodlist.com/africa/madagascar-reunion-tropical-cyclone-dumazile-march-2018|access-date= March 9, 2018|archive-date= March 10, 2018|archive-url= https://web.archive.org/web/20180310074251/http://floodlist.com/africa/madagascar-reunion-tropical-cyclone-dumazile-march-2018|url-status= live}}</ref> Dumazile peaked on 5 March with 10-minute sustained winds of {{cvt|90|kn|km/h mph|round=5|order=out}}, 1-minute sustained winds of {{cvt|110|kn|km/h mph|round=5|order=out}}, and a central pressure of {{cvt|945|hPa|inHg|sigfig=4}}.<ref name="Dumazile MFR">{{cite web |title=Dumazile: 2018-03-01 to 2018-03-10 |url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE06.html |publisher=Météo-France La Réunion |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609145102/http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE06.html |url-status=live }}</ref><ref name="Dumazile IBTrACS">{{cite web |title=2018 Intense Tropical Cyclone DUMAZILE (2018060S13057) |url=http://ibtracs.unca.edu/index.php?name=v04r00-2018060S13057 |website=The International Best Track Archive for Climate Stewardship |publisher=University of North Carolina Asheville |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609145058/http://ibtracs.unca.edu/index.php?name=v04r00-2018060S13057 |url-status=live }}</ref> {{cn span|Dumazile then began weakening as a result of increasing shear wind from a low-pressure system to the southwest and became post-tropical early on 7 March.|date=April 2018}} | |||
Dumazile halted recovery efforts that were ongoing after Cyclone Berguitta struck the island just two months prior, causing further damage.<ref name="Trail 1"/><ref name="Trail 2"/><ref name="Cilaos ONLY route"/> The destruction of crops planted in the aftermath of Cyclone Berguitta led to shortages of several foods.<ref name="Dumazile plants"/> In the coastal and mountain regions of Réunion, flooding and landslides damaged highways.<ref>{{cite news |last1=Hoair |first1=Gilbert |title=Dumazile : un point sur le réseau routier ce lundi soir |url=https://la1ere.francetvinfo.fr/reunion/dumazile-point-reseau-routier-mi-journee-ce-lundi-565791.html |access-date=12 June 2021 |publisher=France TV Information |date=5 March 2018 |language=fr |archive-date=4 June 2021 |archive-url=https://web.archive.org/web/20210604220217/https://la1ere.francetvinfo.fr/reunion/dumazile-point-reseau-routier-mi-journee-ce-lundi-565791.html |url-status=live }}</ref> High surf eroded away sand along the coast, damaged structures on beaches, and damaged ports.<ref>{{cite news |last1=Boyer |first1=Annabelle |title=Plage des Roches Noires : début des travaux de protection |url=https://la1ere.francetvinfo.fr/reunion/plage-roches-noires-debut-travaux-protection-575599.html |access-date=10 June 2021 |publisher=France TV Info |date=4 April 2018 |language=fr |archive-date=4 June 2021 |archive-url=https://web.archive.org/web/20210604230047/https://la1ere.francetvinfo.fr/reunion/plage-roches-noires-debut-travaux-protection-575599.html |url-status=live }}</ref><ref>{{cite news |last1=Touzé |first1=Lucie |title=La plage des Roches Noires méconnaissable, des travaux annoncés |url=https://www.linfo.re/la-reunion/societe/739109-la-plage-des-roches-noires-meconnaissable-des-travaux-annonces |access-date=9 June 2021 |work=Linfo.re |date=13 March 2018 |language=fr |archive-date=4 June 2021 |archive-url=https://web.archive.org/web/20210604233034/https://www.linfo.re/la-reunion/societe/739109-la-plage-des-roches-noires-meconnaissable-des-travaux-annonces |url-status=live }}</ref><ref>{{cite news |title=Dumazile tire sa révérence...et laisse des traces |url=https://www.ipreunion.com/photo-du-jour/reportage/2018/03/07/-photos-vid-os-3-jours-a-d-intemperies-a-couper-le-souffle-dumazile-tire-sa-reverence,78059.html |access-date=8 June 2021 |work=Imaz Press |date=7 March 2018 |language=fr |archive-date=4 June 2021 |archive-url=https://web.archive.org/web/20210604232851/https://www.ipreunion.com/photo-du-jour/reportage/2018/03/07/-photos-vid-os-3-jours-a-d-intemperies-a-couper-le-souffle-dumazile-tire-sa-reverence,78059.html |url-status=live }}</ref> Severe flooding and strong winds caused €3 million (US$3.73 million) in agricultural losses across the island.<ref>{{Cite tweet|user=Clicanoore|number=973446107400372224|date=12 March 2018|accessdate=3 July 2021|title=#Dumazile : les pertes chiffrées à 3 millions d'euros.}}</ref> Heavy rainfall and damaged drainage networks led to flooding in ], ].<ref>{{cite news |last1=Rahaga |first1=Ny Aina |title=Toamasina de nouveau inondé suite aux intempéries |url=https://www.madagascar-tribune.com/Toamasina-de-nouveau-inonde-suite,23658.html |access-date=8 June 2021 |newspaper=Madagascar Tribune |date=5 March 2018 |language=fr |archive-date=4 June 2021 |archive-url=https://web.archive.org/web/20210604232454/https://www.madagascar-tribune.com/Toamasina-de-nouveau-inonde-suite,23658.html |url-status=live }}</ref> | |||
{{Clear}} | |||
===Severe Tropical Storm Eliakim=== | |||
{{Infobox tropical cyclone small | |||
|Basin=SWI | |||
|Image=Eliakim 2018-03-16 1006Z.jpg | |||
|Track=Eliakim 2018 track.png | |||
|Formed=14 March | |||
|Dissipated=20 March | |||
|10-min winds=60 | |||
|1-min winds=65 | |||
|Pressure=980 | |||
}} | |||
{{Main|Tropical Storm Eliakim}} | |||
{{expand section|date=April 2018}} | |||
Eliakim formed on 14 March and dissipated on 20 March.<ref name="Eliakim MFR">{{cite web |title=Eliakim: 2018-03-13 to 2018-03-22 |url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE07.html |publisher=Météo-France La Réunion |access-date=9 June 2021 |archive-date=May 9, 2021 |archive-url=https://web.archive.org/web/20210509114015/http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE07.html |url-status=live }}</ref><ref name="Eliakim IBTrACS">{{cite web |title=2018 Tropical Cyclone ELIAKIM (2018073S12057) |url=http://ibtracs.unca.edu/index.php?name=v04r00-2018073S12057 |website=The International Best Track Archive for Climate Stewardship |publisher=University of North Carolina Asheville |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609145447/http://ibtracs.unca.edu/index.php?name=v04r00-2018073S12057 |url-status=live }}</ref> | |||
Eliakim made landfall on Madagascar on 16 March.<ref>{{Cite report|url=https://reliefweb.int/report/madagascar/madagascar-tropical-storm-hits-madagascar-flash-update-2-16-march-2018|title=Madagascar: Tropical Storm hits Madagascar – Flash Update #2 {{!}} 16 March 2018|date=16 March 2018|publisher=]|via=]|access-date=August 9, 2021|archive-date=May 12, 2021|archive-url=https://web.archive.org/web/20210512060023/https://reliefweb.int/report/madagascar/madagascar-tropical-storm-hits-madagascar-flash-update-2-16-march-2018|url-status=live}}</ref> Thousands of endangered individuals were evacuated.<ref>{{Cite web|date=16 March 2018|title=Madagascar, La Reunion – Tropical Cyclone ELIAKIM (GDACS, JTWC, Meteo Madagascar, Meteo France La Reunion, media)|url=https://erccportal.jrc.ec.europa.eu/Echo-Flash#/daily-flash-archive/3085|access-date=25 May 2021|website=]|archive-date=June 28, 2021|archive-url=https://web.archive.org/web/20210628105524/https://erccportal.jrc.ec.europa.eu/Echo-Flash#/daily-flash-archive/3085|url-status=live}}</ref><ref>{{Cite news|date=19 March 2018|title=Madagascar – Tropical Cyclone Eliakim Leaves 17 Dead and 6,000 Displaced|work=FloodList|url=https://floodlist.com/africa/madagascar-eliakim-floods-march-2018|access-date=13 June 2021|archive-date=June 13, 2021|archive-url=https://web.archive.org/web/20210613120713/https://floodlist.com/africa/madagascar-eliakim-floods-march-2018|url-status=live}}</ref> A peak rainfall total of {{convert|388|mm|in|abbr=on}} was observed in ].<ref>{{Cite journal|last1=Jumaux|first1=Guillaume|last2=Dhurmea|first2=K. R.|last3=Belmont|first3=M.|last4=Rakotoarimalala|first4=C. L.|last5=Labbé|first5=L.|display-authors=3|date=1 September 2019|title=State of the Climate in 2018|department=Western Indian Ocean Island Countries|journal=]|volume=100|issue=9|pages=S214–S217|doi=10.1175/2019BAMSStateoftheClimate.1|hdl=10669/80308|issn=0003-0007|doi-access=free|hdl-access=free}}</ref> The torrential rainfall caused severe flooding across multiple regions.<ref>{{Cite report|url=https://reliefweb.int/report/madagascar/madagascar-forte-temp-te-tropicale-eliakim-rapport-de-situation-conjoint-no-1-26|title=Madagascar: Forte Tempête Tropicale Eliakim – Rapport de Situation conjoint: No. 1 (26 mars 2018)|date=26 March 2018|publisher=]|page=1|access-date=27 June 2021|via=]|archive-date=June 24, 2021|archive-url=https://web.archive.org/web/20210624201600/https://reliefweb.int/report/madagascar/madagascar-forte-temp-te-tropicale-eliakim-rapport-de-situation-conjoint-no-1-26|url-status=live}}</ref><ref>{{Cite news|last=Rahaga|first=Ny Aina|date=19 March 2018|title=Lourd bilan dans le Nord-Est et l'Est après le cyclone Eliakim|work=]|url=https://www.madagascar-tribune.com/Lourd-bilan-dans-le-Nord-Est-et-l,23694.html|access-date=25 June 2021|language=fr|archive-date=June 28, 2021|archive-url=https://web.archive.org/web/20210628045107/https://www.madagascar-tribune.com/Lourd-bilan-dans-le-Nord-Est-et-l,23694.html|url-status=live}}</ref> At least 21 people were killed by the storm and another 19,400 were left homeless.<ref>{{Cite book|last1=Andriamanalinarivo|first1=Remi Rolland|url=https://www.undrr.org/publication/madagascar-country-resilient-effects-hazards-and-protected-damage-sustainable|title=Madagascar, a country resilient to the effects of hazards and protected from damage for sustainable development|last2=Faly|first2=Aritiana Fabien|last3=Randriamanalina|first3=Julot Herman|publisher=]|year=2019|page=19|access-date=11 May 2021|archive-date=May 12, 2021|archive-url=https://web.archive.org/web/20210512200434/https://www.undrr.org/publication/madagascar-country-resilient-effects-hazards-and-protected-damage-sustainable|url-status=live}}</ref> Over 17,200 homes,<ref name=aon>{{Cite report|url=http://thoughtleadership.aonbenfield.com/Documents/20180405-ab-analytics-if-march-global-recap.pdf|title=March 2018 Global Catastrophe Recap|date=5 April 2018|publisher=] ]|page=6|access-date=21 June 2021|archive-url=https://web.archive.org/web/20201119085143/http://thoughtleadership.aonbenfield.com/Documents/20180405-ab-analytics-if-march-global-recap.pdf|archive-date=19 November 2020}}</ref> 1,100 classrooms,<ref>{{Cite web|date=23 March 2018|title=ACT Alliance Alert: Cyclone in Madagascar|url=https://actalliance.org/wp-content/uploads/2018/03/Alerts_-Madagascar_-Tropical-Cyclone-Eliakim.pdf|access-date=28 June 2021|website=]|page=1|publication-place=Nairobi, Kenya|archive-date=July 31, 2021|archive-url=https://web.archive.org/web/20210731014006/https://actalliance.org/wp-content/uploads/2018/03/Alerts_-Madagascar_-Tropical-Cyclone-Eliakim.pdf|url-status=live}}</ref> 27 healthcare facilities, and 15 roads sustained damage.<ref>{{Cite web|date=17 March 2018|title=Madagascar, La Reunion – Tropical Cyclone ELIAKIM (DG ECHO, GDACS, Meteo Madagascar, Meteo France, media)|url=https://erccportal.jrc.ec.europa.eu/Echo-Flash#/daily-flash-archive/3086|access-date=26 June 2021|website=]|archive-date=June 28, 2021|archive-url=https://web.archive.org/web/20210628105524/https://erccportal.jrc.ec.europa.eu/Echo-Flash#/daily-flash-archive/3086|url-status=live}}</ref><ref>{{Cite report|url=https://www.unicef.org/documents/madagascar-humanitarian-situation-report-mid-year-2018|title=Madagascar Humanitarian Situation Report January–June 2018|date=30 June 2018|publisher=]|pages=2–3|access-date=11 May 2021|archive-date=May 12, 2021|archive-url=https://web.archive.org/web/20210512224540/https://www.unicef.org/documents/madagascar-humanitarian-situation-report-mid-year-2018|url-status=live}}</ref> The costs of repairing the damage were estimated to be 10 billion Malagasy ariary (US$3.21 million).<ref>{{Cite news|date=19 March 2018|title=Madagascar: Le cyclone Eliakim laisse derrière lui un triste bilan|language=fr|work=]|url=http://www.r1.mu/actu/regionale/le-cyclone-eliakim-laisse-derriere-lui-un-triste-bilan-p288518|access-date=1 July 2021|archive-date=July 9, 2021|archive-url=https://web.archive.org/web/20210709183150/http://www.r1.mu/actu/regionale/le-cyclone-eliakim-laisse-derriere-lui-un-triste-bilan-p288518|url-status=live}}</ref> The island of Réunion saw high surf reaching {{convert|5–6|m|ft|abbr=on}} in height,<ref>{{Cite news|date=16 March 2018|title=La forte tempête tropicale Eliakim entrera à Madagascar ce vendredi À La Réunion – Des fortes pluies à venir, mais pas autant que pour Dumazile|work=Imaz Press Réunion|url=https://www.ipreunion.com/actus-reunion/reportage/2018/03/16/eliakim-eliakim,78586.html|access-date=25 June 2021|language=fr}}</ref> and regions of Kenya were flooded.<ref>{{Cite journal|last1=Wainwright|first1=Caroline M.|last2=Finney|first2=Declan L.|last3=Kilavi|first3=Mary|last4=Black|first4=Emily|last5=Marsham|first5=John H.|display-authors=3|date=16 August 2020|title=Extreme rainfall in East Africa, October 2019 – January 2020 and context under future climate change|journal= Weather|volume=76|issue=1|pages=26–31|doi=10.1002/wea.3824|doi-access=free}}</ref><ref>{{Cite web|last=Mwangi|first=Emmah|date=26 March 2018|title=African SWIFT reports on recent floods in Kenya|url=https://africanswift.org/2018/03/26/african-swift-reports-on-recent-floods-in-kenya/|url-status=live|access-date=30 June 2021|website=GCRF African SWIFT|archive-date=July 9, 2021|archive-url=https://web.archive.org/web/20210709181446/https://africanswift.org/2018/03/26/african-swift-reports-on-recent-floods-in-kenya/}}</ref> | |||
{{Clear}} | |||
===Tropical Cyclone Fakir=== | |||
{{Infobox tropical cyclone small | |||
|Basin=SWI | |||
|Image=Fakir 2018-04-23 1905Z.jpg | |||
|Track=Fakir 2018 track.png | |||
|Formed=22 April | |||
|Dissipated=24 April | |||
|10-min winds=70 | |||
|1-min winds=75 | |||
|Pressure=975 | |||
}} | |||
{{main article|Cyclone Fakir}} | |||
Fakir formed on 22 April and became post-tropical on 24 April.<ref name="Fakir MFR">{{cite web |title=Fakir: 2018-04-20 to 2018-04-26 |url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE08.html |publisher=Météo-France La Réunion |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609145810/http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/archives/saisons_archivees/20172018/2017RE08.html |url-status=live }}</ref><ref name="Fakir IBTrACS">{{cite web |title=2018 Tropical Cyclone FAKIR (2018111S07055) |url=http://ibtracs.unca.edu/index.php?name=v04r00-2018111S07055 |website=The International Best Track Archive for Climate Stewardship |publisher=University of North Carolina Asheville |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609145809/http://ibtracs.unca.edu/index.php?name=v04r00-2018111S07055 |url-status=live }}</ref> | |||
Fakir dumped torrential rainfall across Réunion from 25 to 26 April, resulting in flooding and landslides.<ref>{{cite news |title=La Réunion (France) – Tropical Cyclone Fakir (COGIC) (ECHO Daily Flash of 25 April 2018) |url=https://reliefweb.int/report/r-union-france/la-r-union-france-tropical-cyclone-fakir-cogic-echo-daily-flash-25-april-2018 |access-date=24 July 2021 |work=Echo |publisher=Relief Web |date=25 April 2018 |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709181339/https://reliefweb.int/report/r-union-france/la-r-union-france-tropical-cyclone-fakir-cogic-echo-daily-flash-25-april-2018 |url-status=live }}</ref><ref>{{cite news |last1=Touzé |first1=Lucie |title=2 morts dans une coulée de boue à l'Etang-Salé |url=https://www.linfo.re/la-reunion/faits-divers/coulee-de-boue-a-l-etang-sale-les-hauts-un-couple-pris-au-piege |access-date=24 July 2021 |work=Linfo.re |date=24 April 2018 |language=fr |archive-date=10 July 2021 |archive-url=https://web.archive.org/web/20210710222904/https://www.linfo.re/la-reunion/faits-divers/coulee-de-boue-a-l-etang-sale-les-hauts-un-couple-pris-au-piege |url-status=live }}</ref> Blackouts occurred around the island after electrical lines were either blown down by winds or damaged by collapsing trees.<ref>{{cite news |title=Fakir: une tempête sur le pays |url=https://www.lexpress.mu/article/330240/fakir-une-tempete-sur-pays |access-date=24 July 2021 |work=Lex Press |date=24 April 2018 |language=fr |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709181242/https://www.lexpress.mu/article/330240/fakir-une-tempete-sur-pays |url-status=live }}</ref> Access to potable water was restricted in some areas. Floodwaters and mudslides caused significant damage to residential and public buildings.<ref>{{cite news |last1=Moutiama |first1=Cecile |title=Saint-André:'Plus de dégâts que prévu' |url=https://www.clicanoo.re/Societe/Article/2018/04/26/Saint-AndrePlus-de-degats-que-prevu_526936 |access-date=21 July 2021 |work=Clicanoo |date=26 April 2018 |language=fr |archive-date=11 July 2021 |archive-url=https://web.archive.org/web/20210711033633/https://www.clicanoo.re/Societe/Article/2018/04/26/Saint-AndrePlus-de-degats-que-prevu_526936 |url-status=live }}</ref><ref>{{cite news |last1=Madubost |first1=Philippe |title=La crainte de sinistrés de Fakir |url=https://www.clicanoo.re/Societe/Article/2018/09/19/La-crainte-de-sinistres-de-Fakir_549948 |access-date=23 July 2021 |work=Clicanoo |date=19 September 2018 |language=fr |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709184202/https://www.clicanoo.re/Societe/Article/2018/09/19/La-crainte-de-sinistres-de-Fakir_549948 |url-status=live }}</ref> Two people died in ] after a mudslide buried their house.<ref>{{cite news |title=Il y a un an, Fakir s'abattait à toute vitesse sur La Réunion |url=https://www.ipreunion.com/actualites-reunion/reportage/2019/04/24/fakir-fakir,101098.html |access-date=7 July 2021 |work=Imaz Press |date=24 April 2019 |language=fr |archive-date=29 June 2021 |archive-url=https://web.archive.org/web/20210629220553/https://www.ipreunion.com/actualites-reunion/reportage/2019/04/24/fakir-fakir,101098.html |url-status=live }}</ref> The heavy rainfall and ensuing floods devastated agriculture,<ref name="Devast Agriculture"/> destroying crops and drowning livestock.<ref>{{cite news |title=Grand-Ilet: un élevage de 1500 poulets ravagé |url=https://www.clicanoo.re/Societe/Article/2018/04/26/Grand-Ilet-un-elevage-de-1500-poulets-ravage_526931 |access-date=23 July 2021 |work=Clicanoo |date=26 April 2018 |language=fr |archive-date=11 July 2021 |archive-url=https://web.archive.org/web/20210711132501/https://www.clicanoo.re/Societe/Article/2018/04/26/Grand-Ilet-un-elevage-de-1500-poulets-ravage_526931 |url-status=live }}</ref><ref>{{cite news |title='Après Fakir, on nous a laissés seuls' |url=https://www.clicanoo.re/Societe/Article/2018/07/09/Apres-Fakir-nous-laisses-seuls_539155 |access-date=23 July 2021 |work=Clicanoo |date=9 July 2018 |language=fr |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709192715/https://www.clicanoo.re/Societe/Article/2018/07/09/Apres-Fakir-nous-laisses-seuls_539155 |url-status=live }}</ref><ref>{{cite news |last1=Madubost |first1=Philippe |title='Il faut une prise de conscience' |url=https://www.clicanoo.re/Societe/Article/2018/04/28/Il-faut-une-prise-de-conscience_527348 |access-date=21 July 2021 |work=Clicanoo |date=28 April 2018 |language=fr |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709194218/https://www.clicanoo.re/Societe/Article/2018/04/28/Il-faut-une-prise-de-conscience_527348 |url-status=live }}</ref> Damage in Réunion was estimated at €15 million (US$17.7 million).<ref>{{cite news |title=Tempête Fakir : Une première estimation des dégâts à 15M d'euros |url=https://www.newsassurancespro.com/tempete-fakir-premiere-estimation-degats-a-15m-deuros/0169517870 |access-date=16 July 2021 |work=News Assurances Pro |date=2 May 2018 |language=fr |archive-date=29 June 2021 |archive-url=https://web.archive.org/web/20210629220533/https://www.newsassurancespro.com/tempete-fakir-premiere-estimation-degats-a-15m-deuros/0169517870 |url-status=live }}</ref><ref>{{cite news |title=Fakir: une facture de plus de 15 millions d'euros |url=https://www.clicanoo.re/Societe/Article/2018/05/01/Fakir-une-facture-de-plus-de-15-millions-deuros_527748 |access-date=16 July 2021 |work=Clicanoo |date=1 May 2018 |language=fr |archive-date=29 June 2021 |archive-url=https://web.archive.org/web/20210629222037/https://www.clicanoo.re/Societe/Article/2018/05/01/Fakir-une-facture-de-plus-de-15-millions-deuros_527748 |url-status=live }}</ref> Disaster declarations were activated in 15 municipalities shortly after the storm.<ref>{{cite news |title=Accompagnent des habitants dans leurs démarches d'indemnisation après Fakir |url=https://www.ipreunion.com/actualites-reunion/reportage/2018/06/26/fakir-l-etat-de-catastrophe-naturelle-reconnue-pour-15-communes-saint-andre-et-saint-leu-accompagnent-ses-habitants-dans-leurs-demarches,85149.html |access-date=21 July 2021 |work=Imaz Press |date=26 June 2018 |language=fr |archive-date=12 July 2021 |archive-url=https://web.archive.org/web/20210712150649/https://www.ipreunion.com/actualites-reunion/reportage/2018/06/26/fakir-l-etat-de-catastrophe-naturelle-reconnue-pour-15-communes-saint-andre-et-saint-leu-accompagnent-ses-habitants-dans-leurs-demarches,85149.html |url-status=live }}</ref> In the months after, local and departmental governments provided aid to farmers.<ref>{{cite news |last1=Magnien |first1=Marine |title=Le Département débloque 2,3 millions d'euros pour les agriculteurs |url=https://www.linfo.re/la-reunion/societe/le-departement-debloque-2-3-millions-d-euros-pour-les-agriculteurs |access-date=19 July 2021 |work=Linfo.re |date=2 May 2018 |language=fr |archive-date=5 June 2021 |archive-url=https://web.archive.org/web/20210605234453/https://www.linfo.re/la-reunion/societe/le-departement-debloque-2-3-millions-d-euros-pour-les-agriculteurs |url-status=live }}</ref><ref>{{cite news |title=Le Tampon : 160 tonnes d'engrais distribués aux agriculteurs |url=https://www.ipreunion.com/actualites-reunion/reportage/2018/08/03/apres-les-degats-causes-par-fakir-le-tampon-160-tonnes-d-engris-distribues-aux-agriculteurs,88430.html |access-date=19 July 2021 |work=Imaz Press |date=3 August 2018 |language=fr |archive-date=29 June 2021 |archive-url=https://web.archive.org/web/20210629220540/https://www.ipreunion.com/actualites-reunion/reportage/2018/08/03/apres-les-degats-causes-par-fakir-le-tampon-160-tonnes-d-engris-distribues-aux-agriculteurs,88430.html |url-status=live }}</ref><ref>{{cite news |last1=Hourdel |first1=Lise |title=Saint-Leu : des permanences pour l'indemnisation des personnes non-assurées |url=https://la1ere.francetvinfo.fr/reunion/saint-leu-1/saint-leu-permanences-indemnisation-personnes-non-assurees-603443.html |access-date=21 July 2021 |publisher=France TV Information |date=27 June 2018 |language=fr |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709181148/https://la1ere.francetvinfo.fr/reunion/saint-leu-1/saint-leu-permanences-indemnisation-personnes-non-assurees-603443.html |url-status=live }}</ref> The price of fruits and vegetables was significantly higher up to six months after Fakir.<ref name="Devast Agriculture">{{cite news |title=Le mauvais temps et la maladie flambent la banane |url=https://www.ipreunion.com/actualites-reunion/reportage/2018/09/06/la-production-en-berne-la-banane-un-produit-rare-et-cher,90112.html |access-date=20 July 2021 |work=Imaz Press |date=6 September 2018 |language=fr |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709201150/https://www.ipreunion.com/actualites-reunion/reportage/2018/09/06/la-production-en-berne-la-banane-un-produit-rare-et-cher,90112.html |url-status=live }}</ref> In Mauritius, trees were felled, crops were damaged, and highways were flooded.<ref>{{cite news |last1=Ponceneau |first1=Santana |title=Fakir: tempête dans un verre d'eau |url=https://www.lexpress.mu/video/330324/fakir-tempete-dans-un-verre-deau |access-date=3 July 2021 |work=L'Express |date=24 April 2018 |language=fr |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709184327/https://www.lexpress.mu/video/330324/fakir-tempete-dans-un-verre-deau |url-status=live }}</ref><ref>{{cite news |last1=Nancoo |first1=Hansa |title=Mercuriale des légumes: La tente bazar d'aujourd'hui plus chère de 20 % |url=https://www.lexpress.mu/article/330528/mercuriale-legumes-tente-bazar-daujourdhui-plus-chere-20 |access-date=3 July 2021 |work=L'Express |date=28 April 2018 |archive-date=9 July 2021 |archive-url=https://web.archive.org/web/20210709190102/https://www.lexpress.mu/article/330528/mercuriale-legumes-tente-bazar-daujourdhui-plus-chere-20 |url-status=live }}</ref> | |||
{{Clear}} | |||
===Severe Tropical Storm Flamboyan=== | |||
{{Infobox tropical cyclone small | |||
|Basin=SWI | |||
|Image=Flamboyan 2018-04-29 Terra.jpg | |||
|Track=Flamboyan 2018 track.png | |||
|Formed=28 April <small>(])</small> | |||
|Dissipated=1 May | |||
|10-min winds=60 | |||
|1-min winds=70 | |||
|Pressure=978 | |||
}} | |||
Toward the end of April, a westward-moving ] spawned a tropical low in the Australian basin southwest of Indonesia.<ref>{{cite journal|url=https://www.publish.csiro.au/ES/fulltext/ES19039|title=Seasonal climate summary for the southern hemisphere (autumn 2018): a weak La Niña fades, the austral autumn remains warmer and drier|author=Bernard Chapman|author2=Katie Rosemond|journal=Journal of Southern Hemisphere Earth Systems Science|volume=70|date=November 2020}}</ref> It moved generally to the southwest around a ridge to its southeast. The low eventually intensified into the equivalent of a moderate tropical storm, whereupon TCWC Jakarta named it ''Flamboyan''. On April 28, Flamboyan crossed into the south-west Indian Ocean. It was located in an area of low shear, with a compact area of thunderstorms near the center. The storm fluctuated in intensity over the next day due to dry air, before it strengthened to its peak on April 30. The MFR estimated peak 10 minute winds of 110 km/h (70 mph), making Flamboyan a severe tropical storm, while the JTWC assessed a higher peak of 130 km/h (80 mph), the equivalent of a minimal hurricane. At its peak, the storm had an eye feature in the center of its convection. Thereafter, Flamboyan began weakening due to increased wind shear and cooler waters, while it curved to the south around a ridge. By May 1, the circulation was exposed from the convection, signaling that the storm was no longer tropical. Flamboyan accelerated to the southeast, and was last noted by the MFR on May 4 re-entering the Australian basin.<ref name="Flamboyan IBTrACS">{{cite web |title=2018 Tropical Cyclone FLAMBOYAN (2018117S07098) |url=http://ibtracs.unca.edu/index.php?name=v04r00-2018117S07098 |website=The International Best Track Archive for Climate Stewardship |publisher=University of North Carolina Asheville |access-date=9 June 2021 |archive-date=June 9, 2021 |archive-url=https://web.archive.org/web/20210609150119/http://ibtracs.unca.edu/index.php?name=v04r00-2018117S07098 |url-status=live }}</ref><ref>{{cite web|url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/activiteope/bulletins/cmrs/CMRSA_201804281800_FLAMBOYAN.pdf|format=PDF|title=Moderate Tropical Storm 9 (Flamboyan) Warning Number: 1|publisher=Météo-France|date=April 28, 2018|accessdate=March 15, 2022}}</ref><ref>{{cite web|url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/activiteope/bulletins/cmrs/CMRSA_201804300000_FLAMBOYAN.pdf|format=PDF|title=Severe Tropical Storm 9 (Flamboyan) Warning Number: 6|publisher=Météo-France|date=April 30, 2018|accessdate=March 15, 2022}}</ref><ref>{{cite web|url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/activiteope/bulletins/cmrs/CMRSA_201804301200_FLAMBOYAN.pdf|format=PDF|title=Severe Tropical Storm 9 (Flamboyan) Warning Number: 8|publisher=Météo-France|date=April 30, 2018|accessdate=March 15, 2022}}</ref><ref>{{cite web|url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/activiteope/bulletins/cmrs/CMRSA_201805010600_EX-FLAMBOYAN.pdf|format=PDF|title=Post-Tropical Depression 9 (ex-Flamboyan) Warning Number: 11|publisher=Météo-France|date=April 30, 2018|accessdate=March 15, 2022}}</ref> | |||
{{clear}} | |||
===Other systems=== | ===Other systems=== | ||
The first disturbance of this season, a low-pressure system, classified as a ] by the Australian ],<ref name=":1">{{Cite web|url=http://www.bom.gov.au/australia/charts/glw_12z.shtml|archive-url=https://web.archive.org/web/20170804233947/http://www.bom.gov.au/australia/charts/glw_12z.shtml|url-status=dead|archive-date=2017-08-04|title=WebCite query result|website=www.webcitation.org|access-date=2017-08-08}}</ref> moved west-southwestward across the ] into the South-West Indian Ocean basin on August 8.<ref>{{Cite web|url=http://www.bom.gov.au/australia/charts/glw_12z.shtml|archive-url=https://web.archive.org/web/20170804233947/http://www.bom.gov.au/australia/charts/glw_12z.shtml|url-status=dead|archive-date=2017-08-04|title=WebCite query result|website=www.webcitation.org|access-date=2017-08-09}}</ref> At 10:00 UTC on the following day, Météo-France Réunion upgraded the low-pressure system to a zone of disturbed weather, with sustained winds of up to {{convert|55|km/h|mph|abbr=on|round=5}} being detected on the southern side of the circulation by ].<ref name=":0">{{Cite web|url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/francais/activiteope/bulletins/zcit/ZCITF_201708091204.pdf|title=ZCIT Bulletin for August 9 2017|last=|first=|date=|website=|access-date=|archive-date=August 9, 2017|archive-url=https://web.archive.org/web/20170809171214/http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/francais/activiteope/bulletins/zcit/ZCITF_201708091204.pdf|url-status=live}}</ref> At this time, the disturbance was located approximately 2,375 km (1,475 mi) west of ].<ref name=":0" /> Météo-France noted that the revival of ] activity in the basin was likely due to the interaction between an eastward-moving ] and a westward-moving ].<ref name=":0" /> The disturbance moved westward without much development, eventually merging with the near-equatorial trough on August 13.<ref>{{Cite web|author=Steve Young|title= Global Tropical System Tracks - August 2017|url=http://australiasevereweather.com/cyclones/2018/trak1708.htm|accessdate=March 15, 2022|date=September 16, 2017}}</ref><ref>{{cite web|title=BULLETIN FOR CYCLONIC ACTIVITY AND SIGNIFICANT TROPICAL WEATHER IN THE SOUTHWEST INDIAN OCEAN|date=August 13, 2017|accessdate=March 15, 2022|url=http://www.meteo.fr/temps/domtom/La_Reunion/webcmrs9.0/anglais/activiteope/bulletins/zcit/ZCITA_201708131132.pdf|format=PDF|publisher=Météo-France}}</ref> | |||
{{Clear}} | {{Clear}} | ||
==Storm names== | ==Storm names== | ||
Within the South-West Indian Ocean, tropical depressions and subtropical depressions that are judged to have 10-minute sustained wind speeds of 65 |
Within the South-West Indian Ocean, tropical depressions and subtropical depressions that are judged to have 10-minute sustained wind speeds of {{convert|65|km/h|mph|abbr=on|round=5}} by the ] on ], France (RSMC La Réunion) are usually assigned a name. However, it is the Sub-Regional Tropical Cyclone Advisory Centers in Mauritius and Madagascar who name the systems. The Sub-Regional Tropical Cyclone Advisory Center in Mauritius names a storm should it intensify into a moderate tropical storm between ] and ]. If instead a cyclone intensifies into a moderate tropical storm between ] and ] then the Sub-Regional Tropical Cyclone Advisory Center in ] assigns the appropriate name to the storm. | ||
Beginning with the 2016–17 season, name lists within the South-West Indian Ocean have been rotated on a triennial basis. Storm names are only used once, thus any storm name used this year would be removed from rotation and replaced with a new name for the ]. Names not used in 2017–18 would remain on the list for the 2020–21 season.<ref name="TCOP-SWIO">{{cite web|year=2016|title=Tropical Cyclone Operational Plan for the South-West Indian Ocean|access-date=2016-10-05|author=Regional Association I Tropical Cyclone Committee|publisher=]|url=http://www.wmo.int/pages/prog/www/tcp/documents/OperationalPlan_TCP-12_WMO-1178_2016_En.pdf|archive-date=September 18, 2016|archive-url=https://web.archive.org/web/20160918235554/http://www.wmo.int/pages/prog/www/tcp/documents/OperationalPlan_TCP-12_WMO-1178_2016_En.pdf|url-status=live}}</ref> | |||
{| width="90%" | {| width="90%" | ||
| | | | ||
* |
*] | ||
* |
*] | ||
* |
*Cebile | ||
* |
*] | ||
* |
*] | ||
* |
*] | ||
*{{tcname unused|Guambe}} | *{{tcname unused|Guambe}} | ||
*{{tcname unused|Habana}} | *{{tcname unused|Habana}} | ||
Line 153: | Line 296: | ||
*{{tcname unused|Zacarias}} | *{{tcname unused|Zacarias}} | ||
|} | |} | ||
After the season, the six names used were automatically retired and were replaced with ''Alicia'', ''Bongoyo'', ''Chalane'', ''Danilo'', ''Eloise'' and ''Faraji'', respectively for the ]. | |||
==Seasonal effects== | ==Seasonal effects== | ||
Line 159: | Line 304: | ||
{{Pacific areas affected (Top)}} | {{Pacific areas affected (Top)}} | ||
|- | |- | ||
| {{Sort|01|]}} || {{Sort|180101|1–9 January}} || bgcolor=#{{storm colour|TC}}|{{Sort|5|Tropical cyclone}} || bgcolor=#{{storm colour|TC}}|{{cvt|80|kn|km/h mph|round=5|order=out|sortable=on}} || bgcolor=#{{storm colour|TC}}|{{Sort|0965|{{convert|965|hPa|inHg|sigfig=4|abbr=on}}}} || ] || {{ntsp|195000000||$}} || {{nts|73}} || <ref>{{cite news|language=French|author=Ny Aina Rahaga|publisher=Madagascar Tribune|date=23 January 2018|access-date=1 February 2018|title=10 milliards d'Ariary pour le rétablissement de l'électricité après le cyclone AVA|url=http://www.madagascar-tribune.com/10-milliards-d-Ariary-pour-le,23562.html|archive-date=February 2, 2018|archive-url=https://web.archive.org/web/20180202014040/http://www.madagascar-tribune.com/10-milliards-d-Ariary-pour-le,23562.html|url-status=live}}</ref><ref name="Global Catastrophe Recap January 2018">{{Cite web|url=http://thoughtleadership.aonbenfield.com/Documents/20180208-ab-analytics-if-january-global-recap.pdf|title=Global Catastrophe Recap January 2018|website=thoughtleadership.aonbenfield.com|publisher=Aon Benfield|access-date=10 February 2018|archive-date=February 9, 2018|archive-url=https://web.archive.org/web/20180209194506/http://thoughtleadership.aonbenfield.com/Documents/20180208-ab-analytics-if-january-global-recap.pdf|url-status=live}}</ref> | |||
| {{Sort|01|Ava}} || {{Sort|171229|December 29 – Present}} || bgcolor=#{{storm colour|STS}}|{{Sort|4|Severe tropical storm}} || bgcolor=#{{storm colour|STS}}|{{Sort|100|100 km/h (65 mph)}} || bgcolor=#{{storm colour|STS}}|{{Sort|0983|983 hPa (29.03 inHg)}} || Madagascar || None || None || | |||
|- | |- | ||
| {{Sort|02|Irving}} || {{Sort|180106|6–9 January}} || bgcolor=#{{storm colour|TC}}|{{Sort|5|Tropical cyclone}} || bgcolor=#{{storm colour|TC}}|{{cvt|80|kn|km/h mph|round=5|order=out|sortable=on}} || bgcolor=#{{storm colour|TC}}|{{Sort|0964|{{convert|965|hPa|inHg|sigfig=4|abbr=on}}}} || None || None || None || | |||
{{TC Areas affected (Bottom)|TC's=1 system|dates=December 29 – Present|winds=100 km/h (65 mph)|pres=983 hPa (29.03 inHg)|damage=None|deaths=None|Refs=}} | |||
|- | |||
| {{Sort|03|]}} || {{Sort|180111|11–19 January}} || bgcolor=#{{storm colour|ITC}}|{{Sort|6|Intense tropical cyclone}} || bgcolor=#{{storm colour|ITC}}|{{cvt|90|kn|km/h mph|round=5|order=out|sortable=on}} || bgcolor=#{{storm colour|ITC}}|{{Sort|0960|{{convert|960|hPa|inHg|sigfig=4|abbr=on}}}} || ], ] || {{ntsp|107000000||$}} || {{nts|1}} ||<ref>{{Cite web|url=http://defimedia.info/tempete-tropicale-intense-quel-impact-et-quel-cout-sur-les-secteurs-affectes|title=Tempête tropicale intense : quel impact et quel coût sur les secteurs affectés ?|date=19 January 2018|website=Le Défi Média|access-date=19 January 2018|archive-date=January 19, 2018|archive-url=https://web.archive.org/web/20180119130104/http://defimedia.info/tempete-tropicale-intense-quel-impact-et-quel-cout-sur-les-secteurs-affectes|url-status=live}}</ref><ref name="Global Catastrophe Recap January 2018"/> | |||
|- | |||
| {{Sort|04|04}} || {{Sort|180114|14–16 January}} || bgcolor=#{{storm colour|TD}}|{{Sort|2|Tropical depression}} || bgcolor=#{{storm colour|TD}}|{{cvt|30|kn|km/h mph|round=5|order=out|sortable=on}} || bgcolor=#{{storm colour|TD}}|{{Sort|0999|{{convert|999|hPa|inHg|sigfig=4|abbr=on}}}} || Madagascar, ] || None || None || | |||
|- | |||
| {{Sort|05|Cebile}} || {{Sort|180126|26 January – 7 February}} || bgcolor=#{{storm colour|ITC}}|{{Sort|6|Intense tropical cyclone}} || bgcolor=#{{storm colour|ITC}}|{{cvt|100|kn|km/h mph|round=5|order=out|sortable=on}} || bgcolor=#{{storm colour|ITC}}|{{Sort|0940|{{convert|940|hPa|inHg|sigfig=4|abbr=on}}}} || None || None || None || | |||
|- | |||
| {{Sort|06|]}} || {{Sort|180302|2–6 March}} || bgcolor=#{{storm colour|ITC}}|{{Sort|6|Intense tropical cyclone}} || bgcolor=#{{storm colour|ITC}}|{{cvt|90|kn|km/h mph|round=5|order=out|sortable=on}} || bgcolor=#{{storm colour|ITC}}|{{Sort|0945|{{convert|945|hPa|inHg|sigfig=4|abbr=on}}}} || Madagascar, Réunion || {{ntsp|3730000||$}} || None || | |||
|- | |||
| {{Sort|07|]}} || {{Sort|180314|14–20 March}} || bgcolor=#{{storm colour|swiosts}}|{{Sort|4|Severe tropical storm}} || bgcolor=#{{storm colour|swiosts}}|{{cvt|60|kn|km/h mph|round=5|order=out|sortable=on}} || bgcolor=#{{storm colour|swiosts}}|{{Sort|0980|{{convert|980|hPa|inHg|sigfig=4|abbr=on}}}} || Madagascar || {{ntsp|3210000||$}} || {{nts|21}} || <ref>{{Cite web|url=http://www.plenglish.com/index.php?o=rn&id=25871&SEO=dozens-deaths-confirm-malagasys-fear-of-cyclone|title=Dozens Deaths Confirm Malagasy's Fear of Cyclone|date=20 March 2018|website=Prensa Latina|access-date=21 March 2018|archive-date=March 22, 2018|archive-url=https://web.archive.org/web/20180322015514/http://www.plenglish.com/index.php?o=rn&id=25871&SEO=dozens-deaths-confirm-malagasys-fear-of-cyclone|url-status=live}}</ref><ref name="Global Catastrophe Recap March 2018">{{Cite web|url=http://thoughtleadership.aonbenfield.com/Documents/20180405-ab-analytics-if-march-global-recap.pdf|title=Global Catastrophe Recap March 2018|website=thoughtleadership.aonbenfield.com|publisher=Aon Benfield|access-date=23 April 2018|archive-date=April 8, 2018|archive-url=https://web.archive.org/web/20180408183328/http://thoughtleadership.aonbenfield.com/Documents/20180405-ab-analytics-if-march-global-recap.pdf|url-status=live}}</ref> | |||
|- | |||
| {{Sort|08|]}} || {{Sort|180422|22–24 April}} || bgcolor=#{{storm colour|TC}}|{{Sort|5|Tropical cyclone}} || bgcolor=#{{storm colour|TC}}|{{cvt|70|kn|km/h mph|round=5|order=out|sortable=on}} || bgcolor=#{{storm colour|TC}}|{{Sort|0975|{{convert|975|hPa|inHg|sigfig=4|abbr=on}}}} || Madagascar, Réunion, Mauritius || {{ntsp|17700000||$}} || {{nts|2}} || <ref>{{Cite web|url=https://www.accuweather.com/en/weather-news/deadly-tropical-storm-fakir-pulls-away-from-la-reunion-following-flooding-rainfall-destructive-winds-and-mudslides/70004775|title=Tropical Storm Fakir turns deadly after unleashing destructive winds, mudslides on La Réunion|date=26 April 2018|website=AccuWeather|access-date=27 April 2018|archive-date=April 28, 2018|archive-url=https://web.archive.org/web/20180428093511/https://www.accuweather.com/en/weather-news/deadly-tropical-storm-fakir-pulls-away-from-la-reunion-following-flooding-rainfall-destructive-winds-and-mudslides/70004775|url-status=live}}</ref><ref name="Global Catastrophe Recap April 2018">{{Cite web|url=http://thoughtleadership.aonbenfield.com/Documents/20180509-ab-analytics-if-april-global-recap.pdf|title=Global Catastrophe Recap April 2018|website=thoughtleadership.aonbenfield.com|publisher=Aon Benfield|access-date=17 May 2018|archive-date=June 4, 2019|archive-url=https://web.archive.org/web/20190604102833/http://thoughtleadership.aonbenfield.com/Documents/20180509-ab-analytics-if-april-global-recap.pdf|url-status=live}}</ref> | |||
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| {{Sort|09|Flamboyan}} || {{Sort|180428|28 April – 1 May}} || bgcolor=#{{storm colour|STS}}|{{Sort|4|Severe tropical storm}} || bgcolor=#{{storm colour|STS}}|{{cvt|60|kn|km/h mph|round=5|order=out|sortable=on}} || bgcolor=#{{storm colour|STS}}|{{Sort|978|{{convert|978|hPa|inHg|sigfig=4|abbr=on}}}} || None || None || None || | |||
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{{TC Areas affected (Bottom)|TC's=9 systems|dates=1 January – 1 May|winds={{cvt|100|kn|km/h mph|round=5|order=out}}|pres={{convert|940|hPa|inHg|sigfig=4|abbr=on}}|damage={{ntsp|326640000||$}}|deaths=108|Refs=}} | |||
==See also== | ==See also== | ||
{{Portal|Tropical cyclones}} | {{Portal|Tropical cyclones}} | ||
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*Pacific hurricane seasons: ], ] | *Pacific hurricane seasons: ], ] | ||
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==References== | ==References== | ||
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==External links== | ==External links== | ||
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Latest revision as of 23:58, 15 February 2024
Cyclone season in the Southwest Indian Ocean
This article's factual accuracy may be compromised due to out-of-date information. Please help update this article to reflect recent events or newly available information. (June 2021) |
2017–18 South-West Indian Ocean cyclone season | |
---|---|
Season summary map | |
Seasonal boundaries | |
First system formed | 1 January 2018 |
Last system dissipated | 1 May 2018 |
Strongest storm | |
Name | Cebile |
• Maximum winds | 185 km/h (115 mph) (10-minute sustained) |
• Lowest pressure | 940 hPa (mbar) |
Seasonal statistics | |
Total disturbances | 9, 1 unofficial |
Total depressions | 9 |
Total storms | 8 |
Tropical cyclones | 6 |
Intense tropical cyclones | 3 |
Very intense tropical cyclones | 0 |
Total fatalities | 108 total |
Total damage | $326.7 million (2018 USD) |
Related articles | |
South-West Indian Ocean tropical cyclone seasons 2015–16, 2016–17, 2017–18, 2018–19, 2019–20 |
The 2017–18 South-West Indian Ocean cyclone season was a below-average season that produced only 8 tropical storms, of which 6 became tropical cyclones. It was an event in the annual cycle of a tropical cyclone and subtropical cyclone formation. It officially began on 15 November 2017, and officially ended on 15 May 2018, in Mauritius and the Seychelles. For the rest of the basin, the season ended on 30 April 2018. These dates conventionally delimit the period of each year when most tropical and subtropical cyclones form in the basin, which is west of 90°E and south of the Equator. Tropical and subtropical cyclones in this basin are monitored by the Regional Specialised Meteorological Centre in La Réunion.
Seasonal Summary
Despite the season officially beginning on 15 November 2017, the basin featured no tropical systems in November and December, owing to below-average sea surface temperatures and a period of enhanced trade winds causing conditions across the basin to be unfavorable for tropical cyclogenesis. This made the 2017–18 season the third in a row to not feature a tropical system before 1 January. The first system, Tropical Cyclone Ava, became a tropical disturbance only on 1 January 2018, placing 2017–18 in the five latest-starting seasons since the satellite era began in 1967. January, however, was very active with four named systems developing (including Irving which entered the basin from the Australian region); Berguitta and Cebile in particular would become intense tropical cyclones on Météo-France La Réunion's scale. This tied with 1968 for the most active January, and ranked just behind February 1971 for the most named storms forming in a month.
Following the dissipation of Cebile on 7 February, no cyclone activity occurred in the basin for three weeks. March featured two systems: Dumazile in the first week of the month, and Eliakim in the third. Inactivity settled in again after Eliakim dissipated on 20 March and lasted for a month. The last week of April saw two systems, Fakir and Flamboyan (which entered the basin from the Australian region). The season ended on 1 May—about two weeks later than normal—with the dissipation of Flamboyan. Overall, the season featured near-normal activity with eight named storms (compared to the average of nine). However, a larger-than-normal fraction of these named storms reached tropical cyclone status. The season also featured greater than usual impact on land areas, as most of the systems formed in the western part of the basin and were thus in closer proximity to land. The Mascarene Islands were especially hard-hit, particularly Réunion which suffered the effects of five cyclones.
Effects on Réunion
The season had a large-scale impact across Réunion, with five cyclones: Ava, Berguitta, Dumazile, Eliakim, and Fakir, affecting the island. Accumulating rainfall from the cyclones generated ravines which prevented employees from getting to work and caused significant damage to small-scale fishing operations, agriculture, roads, houses, and public infrastructure. Preliminary assessments of damage totaled at least €15 million (US$17.6 million), however, the final total was expected to be significantly greater. In May 2018, electrical and water companies were conducting repairs on a daily basis. Repairs were also taking place to cliffs. Berguitta and Fakir damaged the Wolmar and Tamarin beaches by displacing sand.
Fakir furthered the losses of Berguitta in the towns of Tampon, Saint-Louis, Petite-Ile, and Saint-Joseph. The rising Saint-Etienne river completely destroyed the Ouaki bridge and over 100 m (330 ft) of roadway near Saint-Louis. The torrential rainfall from Fakir stalled reconstruction efforts for the third time that year. A trail linking Bois Court and Grand Bassin was scheduled to reopen in April 2018 after having been closed since 12 February 2018. Work to stabilize cliffs, following heavy rainfall from Berguitta and Dumazile, took place in March. The Dos d'Ane-Deux Bras trail, which was damaged by Ava, Berguitta, Dumazile, and Fakir, reopened on 17 July 2018. Several landslides occurred on the RN5 highway, the only major road to Cilaos, after Ava, Berguitta, and Dumazile, resulting in the road being closed for over four months. Work to repair two bridges was halted as a result of a ban on large machinery in the river and threats of criminal prosecution against the workers. Protests erupted on 7 March 2018 as a result of the halted work.
New crops planted in the aftermath of Cyclone Berguitta were largely destroyed by Cyclone Dumazile just a few weeks later. At that point, the island had experienced nearly three months of continuous rainfall, with only ten dry days. Several items, including salads, zucchini, paracress, carrots, and tomatoes, were expected to have shortages or be entirely unavailable. Three systems, mainly Fakir, caused significant damage to sugar canes. Estimates for the sugar harvest fell to 1,600,000 metric tons (1,800,000 short tons), the lowest since Cyclone Gamede affected Réunion in 2007. These losses represent at least 20 percent of the sugar cane production. The actual sugar harvest was less than forecast, reaching 1,600,000 metric tons (1,800,000 short tons), which was the worst harvest in over fifty years. Berguitta, Fakir, and other significant rainfall events caused €39.3 million (US$46.5 million) in agricultural losses. The Réunion prefecture government allocated €41.5 million (US$49.1 million in aid for farms that experiences losses due to the aforementioned weather events and the Yellow Vest protests that took place during November 2018. An additional €16 million (US$18.9 million) in aid was approved for investment projects, farmer income increases, the creation of employment opportunities, and the reduction of prices.
In March 2019, the General Confederation of Planters and Breeders of Réunion Island requested that the agricultural minister to increase the dispersal rate for the aid package to help with recovery efforts. Aid of €2,000 (US$2,350) per 1 hectare (2.5 acres) was also promised for some farms, however, the dispersal of the aid was slow. Following Fakir, vegetable prices were expected to increase once again. An additional €2.3 million (US$2.7 million) in aid was authorized by 2 May 2018 by the Réunion Departmental Council. At least 95 farmers had received at least €220,000 (US$258,800) in aid for damage sustained during the season by 11 July 2018. Agricultural experts anticipated that it would take months or years for farmers to recuperate the losses sustained during the cyclone season.
After Ava, Berguitta, Dumazile, and Fakir, the mayor of Sainte-Suzanne called for an emergency meeting of the Association of Mayors of Reunion Island in order to discuss potential solutions to the problems these storms caused. MP David Lorion requested that the Réunion Prefecture government and the Minister of Overseas establish a relief fund to help repair damage sustained by floods and mudslides during cyclones Berguitta and Fakir.
The season had a considerable impact on plans, weather alerts, construction standards, and infrastructure. The Communist Party of Réunion discussed implementing multiple improvements following the season, including redrawing risk areas and construction guidelines and adapting school schedules to the island's climate. Near Saint-Pierre, at least €6.1 million (US$7.3 million) in funds were provided to improve the Chemin Stéphane highway, a roadway used by over 8,500 people per day, by constructing better drainage networks, new sidewalks, and a new driving surface. The Réunion Prefecture government assembled a meeting of the mayors on 4 May 2018 to discuss implementing a new warning system for the next cyclone season. A new purple alert was created for cyclones affecting the island with winds in excess of 200 km/h (125 mph). The warning system was also modified to allow for warning declarations as a result of severe rainfall. Repair work at the Bras de Cilaos following Berguitta was halted following torrential rainfall during Cyclone Dumazile. Protests erupted in Cilaos because the postponement of work left 400 people isolated on the other side of the city and 100 more at Îlet Furçy.
Systems
Tropical Cyclone Ava
Tropical cyclone (MFR) | |
Category 2 tropical cyclone (SSHWS) | |
Duration | 1 January – 8 January |
---|---|
Peak intensity | 150 km/h (90 mph) (10-min); 965 hPa (mbar) |
An area of low pressure formed on 27 December 2017 and was classified as a tropical disturbance by Météo-France La Réunion (MFR) on 30 December. It became Moderate Tropical Storm Ava on 2 January 2018 and intensified to reach peak intensity with 10-minute sustained winds of 150 km/h (90 mph), 1-minute sustained winds of 175 km/h (110 mph), and a central pressure of 965 hPa (28.50 inHg) on 5 January. Ava made landfall over Madagascar shortly after and reemerged over water as a weak tropical storm on 7 January. It became post-tropical on 8 January and dissipated the next day.
Ava severely impacted Madagascar, causing at least 73 fatalities. Ava combined with the seasonal monsoon to inflict US$195 million in losses across the country. At least 51,000 people were left homeless in Ava's wake. Over a dozen healthcare facilities were destroyed and nearly 150 schools were impacted. Several dozen classrooms were used as shelters for over 20 thousand people who were displaced by the storm, and over thirty thousand students were unable to go to school. Flooding and landslides forced thousands of people to evacuate across the capital city of Antananarivo, Brickaville, Toamasina, Mananjary, and Ifanadiana. The storm caused significant damage to infrastructure across the country, with floods washing away bridges and damaging roadways. Heavy rainfall also occurred in Mauritius, flooding roads and houses. The rainfall either damaged or destroyed thirty-to-fifty percent of crops across local plantations.
Tropical Cyclone Irving
Tropical cyclone (MFR) | |
Category 2 tropical cyclone (SSHWS) | |
Duration | 6 January (Entered basin) – 9 January |
---|---|
Peak intensity | 150 km/h (90 mph) (10-min); 965 hPa (mbar) |
This section needs expansion. You can help by adding to it. (April 2018) |
Tropical Cyclone Irving was named by the Bureau of Meteorology of Australia on 6 January as it crossed over into the South-West Indian Ocean basin a few hours later. It strengthened to an equivalent of a Category 2 cyclone, before weakening as it turned southwestwards. It became post-tropical on 9 January as it dissipated to the west of Madagascar. It stayed well from land.
Intense Tropical Cyclone Berguitta
Intense tropical cyclone (MFR) | |
Category 3 tropical cyclone (SSHWS) | |
Duration | 11 January – 19 January |
---|---|
Peak intensity | 165 km/h (105 mph) (10-min); 960 hPa (mbar) |
Berguitta formed on 11 January and dissipated on 19 January.
Berguitta brought damaging winds and torrential rainfall to Rodrigues. The island received nearly a quarter of its average annual rainfall during 13–15 January. As a result, severe, widescale flooding ensued, most notably in low-lying regions. Felled trees damaged powerlines and floodwaters blocked roads. On Mauritius Island, two days of nonstop rainfall from 17 to 18 January also resulted in severe flooding. The floodwaters damaged around 75–80 percent of the island's agriculture and damaged buildings. Water utilities in the capital of Port Louis were disrupted by the storm, and around 6,800 residences lost power as trees fell on electrical cables. Two people died on the island: one person fell off of a ladder and another was killed in a traffic accident. At least ₨ 2 billion (US$58 million) in economic losses occurred across the island nation. The Mauritian government allocated relief funds to at least 13,000 citizens. Protests erupted twice in the country: the first occurred as a result of delayed and small relief fund payments, and the second occurred several months later as a result of families being evicted from disaster evacuation centers.
Heavy rainfall and winds impacted Réunion on 18 January, causing flooding and landslides across the southern region of the island. The storm broke several records for rainfall, most notably at Grande Coude, where 1,862 mm (73.3 in) of rain fell during an 8-day stretch. Floodwaters damaged highways, ruined agriculture, and caused one person to go missing after they were washed away. At least 100,000 customers were left without power, and access to potable water was cut off in multiple communes. Agricultural damage was estimated to be €16.7 million (US$20.5 million), while total economic losses across Réunion were €41 million (US$50 million). The only major highway connecting Cilaos with other towns was severed by multiple landslides, bringing the local economy to a halt. The Réunion Prefecture government provided several million euros in relief aid, however, reconstruction efforts were later disrupted by cyclones Dumazile and Fakir.
Tropical Depression 04
Tropical depression (MFR) | |
Duration | January 14 – January 16 |
---|---|
Peak intensity | 55 km/h (35 mph) (10-min); 999 hPa (mbar) |
The depression formed on January 14 and dissipated on January 16.
The depression formed over the Mozambique Channel before making landfall on Mozambique. Its remnants reemerged over the Mozambique Channel before moving over Madagascar. The depression regenerated after reemerging into the ocean before dissipating northeast of Madagascar.
Intense Tropical Cyclone Cebile
Intense tropical cyclone (MFR) | |
Category 4 tropical cyclone (SSHWS) | |
Duration | 26 January – 7 February |
---|---|
Peak intensity | 185 km/h (115 mph) (10-min); 940 hPa (mbar) |
Cebile formed on 26 January and dissipated on 7 February. A long-lived cyclone, it erratically moved to the west, then to the south, then to the east, to the south, to the southeast, then to the south again, to the west, when it started to become extratropical. It peaked as an Intense Tropical Cyclone, or equivalent to a strong Category 4 cyclone. It stayed well away from land.
Intense Tropical Cyclone Dumazile
Intense tropical cyclone (MFR) | |
Category 3 tropical cyclone (SSHWS) | |
Duration | 2 March – 6 March |
---|---|
Peak intensity | 165 km/h (105 mph) (10-min); 945 hPa (mbar) |
Dumazile formed from a low on 2 March. After formation, Dumazile began rounding a subtropical ridge to the east. Dumazile brought heavy rain to Madagascar. Dumazile peaked on 5 March with 10-minute sustained winds of 165 km/h (105 mph), 1-minute sustained winds of 205 km/h (125 mph), and a central pressure of 945 hPa (27.91 inHg). Dumazile then began weakening as a result of increasing shear wind from a low-pressure system to the southwest and became post-tropical early on 7 March.
Dumazile halted recovery efforts that were ongoing after Cyclone Berguitta struck the island just two months prior, causing further damage. The destruction of crops planted in the aftermath of Cyclone Berguitta led to shortages of several foods. In the coastal and mountain regions of Réunion, flooding and landslides damaged highways. High surf eroded away sand along the coast, damaged structures on beaches, and damaged ports. Severe flooding and strong winds caused €3 million (US$3.73 million) in agricultural losses across the island. Heavy rainfall and damaged drainage networks led to flooding in Toamasina, Madagascar.
Severe Tropical Storm Eliakim
Severe tropical storm (MFR) | |
Category 1 tropical cyclone (SSHWS) | |
Duration | 14 March – 20 March |
---|---|
Peak intensity | 110 km/h (70 mph) (10-min); 980 hPa (mbar) |
This section needs expansion. You can help by adding to it. (April 2018) |
Eliakim formed on 14 March and dissipated on 20 March.
Eliakim made landfall on Madagascar on 16 March. Thousands of endangered individuals were evacuated. A peak rainfall total of 388 mm (15.3 in) was observed in Île Sainte-Marie. The torrential rainfall caused severe flooding across multiple regions. At least 21 people were killed by the storm and another 19,400 were left homeless. Over 17,200 homes, 1,100 classrooms, 27 healthcare facilities, and 15 roads sustained damage. The costs of repairing the damage were estimated to be 10 billion Malagasy ariary (US$3.21 million). The island of Réunion saw high surf reaching 5–6 m (16–20 ft) in height, and regions of Kenya were flooded.
Tropical Cyclone Fakir
Tropical cyclone (MFR) | |
Category 1 tropical cyclone (SSHWS) | |
Duration | 22 April – 24 April |
---|---|
Peak intensity | 130 km/h (80 mph) (10-min); 975 hPa (mbar) |
Fakir formed on 22 April and became post-tropical on 24 April.
Fakir dumped torrential rainfall across Réunion from 25 to 26 April, resulting in flooding and landslides. Blackouts occurred around the island after electrical lines were either blown down by winds or damaged by collapsing trees. Access to potable water was restricted in some areas. Floodwaters and mudslides caused significant damage to residential and public buildings. Two people died in L'Étang-Salé after a mudslide buried their house. The heavy rainfall and ensuing floods devastated agriculture, destroying crops and drowning livestock. Damage in Réunion was estimated at €15 million (US$17.7 million). Disaster declarations were activated in 15 municipalities shortly after the storm. In the months after, local and departmental governments provided aid to farmers. The price of fruits and vegetables was significantly higher up to six months after Fakir. In Mauritius, trees were felled, crops were damaged, and highways were flooded.
Severe Tropical Storm Flamboyan
Severe tropical storm (MFR) | |
Category 1 tropical cyclone (SSHWS) | |
Duration | 28 April (Entered basin) – 1 May |
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Peak intensity | 110 km/h (70 mph) (10-min); 978 hPa (mbar) |
Toward the end of April, a westward-moving Rossby wave spawned a tropical low in the Australian basin southwest of Indonesia. It moved generally to the southwest around a ridge to its southeast. The low eventually intensified into the equivalent of a moderate tropical storm, whereupon TCWC Jakarta named it Flamboyan. On April 28, Flamboyan crossed into the south-west Indian Ocean. It was located in an area of low shear, with a compact area of thunderstorms near the center. The storm fluctuated in intensity over the next day due to dry air, before it strengthened to its peak on April 30. The MFR estimated peak 10 minute winds of 110 km/h (70 mph), making Flamboyan a severe tropical storm, while the JTWC assessed a higher peak of 130 km/h (80 mph), the equivalent of a minimal hurricane. At its peak, the storm had an eye feature in the center of its convection. Thereafter, Flamboyan began weakening due to increased wind shear and cooler waters, while it curved to the south around a ridge. By May 1, the circulation was exposed from the convection, signaling that the storm was no longer tropical. Flamboyan accelerated to the southeast, and was last noted by the MFR on May 4 re-entering the Australian basin.
Other systems
The first disturbance of this season, a low-pressure system, classified as a tropical low by the Australian Bureau of Meteorology, moved west-southwestward across the 90th meridian east into the South-West Indian Ocean basin on August 8. At 10:00 UTC on the following day, Météo-France Réunion upgraded the low-pressure system to a zone of disturbed weather, with sustained winds of up to 55 km/h (35 mph) being detected on the southern side of the circulation by scatterometer. At this time, the disturbance was located approximately 2,375 km (1,475 mi) west of Jakarta, Indonesia. Météo-France noted that the revival of convective activity in the basin was likely due to the interaction between an eastward-moving Kelvin wave and a westward-moving Rossby wave. The disturbance moved westward without much development, eventually merging with the near-equatorial trough on August 13.
Storm names
Within the South-West Indian Ocean, tropical depressions and subtropical depressions that are judged to have 10-minute sustained wind speeds of 65 km/h (40 mph) by the Regional Specialized Meteorological Center on La Réunion Island, France (RSMC La Réunion) are usually assigned a name. However, it is the Sub-Regional Tropical Cyclone Advisory Centers in Mauritius and Madagascar who name the systems. The Sub-Regional Tropical Cyclone Advisory Center in Mauritius names a storm should it intensify into a moderate tropical storm between 55°E and 90°E. If instead a cyclone intensifies into a moderate tropical storm between 30°E and 55°E then the Sub-Regional Tropical Cyclone Advisory Center in Madagascar assigns the appropriate name to the storm.
Beginning with the 2016–17 season, name lists within the South-West Indian Ocean have been rotated on a triennial basis. Storm names are only used once, thus any storm name used this year would be removed from rotation and replaced with a new name for the 2020–21 season. Names not used in 2017–18 would remain on the list for the 2020–21 season.
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After the season, the six names used were automatically retired and were replaced with Alicia, Bongoyo, Chalane, Danilo, Eloise and Faraji, respectively for the 2020–21 season.
Seasonal effects
This table lists all of the tropical cyclones and subtropical cyclones that were monitored during the 2017–2018 South-West Indian Ocean cyclone season. Information on their intensity, duration, name, areas affected, primarily comes from RSMC La Réunion. Death and damage reports come from either press reports or the relevant national disaster management agency while the damage totals are given in 2017 or 2018 USD.
Name | Dates | Peak intensity | Areas affected | Damage (USD) |
Deaths | Refs | ||
---|---|---|---|---|---|---|---|---|
Category | Wind speed | Pressure | ||||||
Ava | 1–9 January | Tropical cyclone | 150 km/h (90 mph) | 965 hPa (28.50 inHg) | Madagascar | $195 million | 73 | |
Irving | 6–9 January | Tropical cyclone | 150 km/h (90 mph) | 965 hPa (28.50 inHg) | None | None | None | |
Berguitta | 11–19 January | Intense tropical cyclone | 165 km/h (105 mph) | 960 hPa (28.35 inHg) | Mauritius, Réunion | $107 million | 1 | |
04 | 14–16 January | Tropical depression | 55 km/h (35 mph) | 999 hPa (29.50 inHg) | Madagascar, Mozambique | None | None | |
Cebile | 26 January – 7 February | Intense tropical cyclone | 185 km/h (115 mph) | 940 hPa (27.76 inHg) | None | None | None | |
Dumazile | 2–6 March | Intense tropical cyclone | 165 km/h (105 mph) | 945 hPa (27.91 inHg) | Madagascar, Réunion | $3.73 million | None | |
Eliakim | 14–20 March | Severe tropical storm | 110 km/h (70 mph) | 980 hPa (28.94 inHg) | Madagascar | $3.21 million | 21 | |
Fakir | 22–24 April | Tropical cyclone | 130 km/h (80 mph) | 975 hPa (28.79 inHg) | Madagascar, Réunion, Mauritius | $17.7 million | 2 | |
Flamboyan | 28 April – 1 May | Severe tropical storm | 110 km/h (70 mph) | 978 hPa (28.88 inHg) | None | None | None | |
Season aggregates | ||||||||
9 systems | 1 January – 1 May | 185 km/h (115 mph) | 940 hPa (27.76 inHg) | $327 million | 108 |
See also
- Weather of 2017 and 2018
- Tropical cyclones in 2017 and 2018
- List of Southern Hemisphere tropical cyclone seasons
- Atlantic hurricane seasons: 2017, 2018
- Pacific hurricane seasons: 2017, 2018
- Pacific typhoon seasons: 2017, 2018
- North Indian Ocean cyclone seasons: 2017, 2018
- 2017–18 Australian region cyclone season
- 2017–18 South Pacific cyclone season
- South Atlantic tropical cyclone
Footnotes
References
- ^ "Ouverture de la saison cyclonique 2018/2019 à La Réunion" (PDF) (in French). Météo-France La Réunion. December 10, 2018. Archived from the original (PDF) on August 29, 2021. Retrieved August 29, 2021.
- ^ "Ava: 2017-12-30 to 2018-01-09". Météo-France La Réunion. Archived from the original on June 9, 2021. Retrieved June 9, 2021.
- ^ "Cebile: 2018-01-25 to 2018-02-09". Météo-France La Réunion. Archived from the original on June 9, 2021. Retrieved June 9, 2021.
- ^ Maugueret, Xavier (April 27, 2018). "Rivière-Noire: la menace de l'érosion est prise au sérieux". Lexpress.mu (in French). Archived from the original on July 11, 2021. Retrieved August 4, 2021.
- Floch, Fabrice (May 2, 2018). "Berguitta, Dumazilé et, finalement Fakir ont ponctué cette saison cyclonique exceptionnelle. 2018 restera gravé dans toutes les mémoires. Trois dépressions cycloniques et des semaines incessantes de pluies laissent une facture de 15 millions d'euros de dégâts" (in French). France TV Information. Archived from the original on June 29, 2021. Retrieved August 6, 2021.
- Weber, Véronique (April 26, 2018). "Fakir a rouvert les plaies de janvier". Clicanoo (in French). Archived from the original on August 7, 2021. Retrieved August 7, 2021.
- ^ Touzé, Lucie (March 9, 2018). "Réouverture partielle du sentier de Grand Bassin à Bois Court début avril". Linfo.re (in French). Archived from the original on June 4, 2021. Retrieved August 7, 2021.
- ^ "Environnement : Réouverture de deux sentiers à Mafate". Imaz Press (in French). July 17, 2018. Archived from the original on June 4, 2021. Retrieved August 7, 2021.
- ^ Dupuy, Pierrot (March 8, 2018). "Route de Cilaos : Quand la préfecture et le procureur jouent les faux cul". Zinfos 974 (in French). Archived from the original on June 4, 2021. Retrieved August 7, 2021.
- ^ Valmont, Sébastien (March 10, 2018). "Les fruits et légumes péi bientôt en rupture de stock". Clicanoo (in French). Archived from the original on June 4, 2021. Retrieved August 7, 2021.
- Marchal, Manuel (August 25, 2018). "Double peine pour les planteurs". Témoignages (in French). Archived from the original on July 11, 2021. Retrieved August 4, 2021.
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External links
- Météo-France La Réunion (in French)
- Joint Typhoon Warning Center (JTWC) Archived February 2, 2018, at the Wayback Machine
Tropical cyclones of the 2017–18 South-West Indian Ocean cyclone season | ||
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TCAva TCIrving ITCBerguitta TD04 ITCCebile ITCDumazile STSEliakim TCFakir STSFlamboyan | ||
Tropical cyclones in 2017 and 2018 | |
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Cyclones |
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Hurricanes | |
Typhoons | |
Non-seasonal lists |
2010–2019 South-West Indian Ocean cyclone seasons | |
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