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| |imagecaption=Laura - Just before becoming a subtropical storm on September 29. | |imagecaption=Laura - Just before becoming a subtropical storm on September 29. | ||
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|type=storm | ||
| |track=2008_12L_5-day_track.gif| track_width=170px | track_topcaption = <font/> | |track=2008_12L_5-day_track.gif| track_width=170px | track_topcaption = <font/> | ||
| |location=] ] ± 20 nm<br />About 630 mi (1010 km) ] of ] | |location=] ] ± 20 nm<br />About 630 mi (1010 km) ] of ] | ||
Revision as of 01:13, 30 September 2008
 | This article is about Subtropical Storm Laura, a current tropical cyclone where information can change quickly or be unreliable. The latest page updates may not reflect the most up-to-date information. Please help improve this article using reliable sources or help by discussing changes on the talk page. (Learn how and when to remove this message) |
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| Current storm status (1-min mean) | |||
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| As of: | 5 p.m. AST (2100 UTC) September 29 | ||
| Location: | 38.3°N 48.4°W ± 20 nm About 630 mi (1010 km) SSE of Cape Race | ||
| Sustained winds: | 50 knots | 60 mph | 95 km/h (1-min mean) gusting to 60 knots | 70 mph | 110 km/h | ||
| Pressure: | 995 mbar (hPa) | 29.38 inHg | ||
| Movement: | NNW at 8 kt | 9 mph | 15 km/h | ||
| See more detailed information. | |||
Subtropical Storm Laura is the twelfth named storm of the 2008 Atlantic hurricane season, and the first subtropical cyclone. Laura formed out of a large non-tropical low pressure area located 1015 miles (1635 km) west of the western islands of the Azores on September 29.
Meteorological History
Map key Saffir–Simpson scale Tropical depression (≤38 mph, ≤62 km/h)
Tropical storm (39–73 mph, 63–118 km/h)
Category 1 (74–95 mph, 119–153 km/h)
Category 2 (96–110 mph, 154–177 km/h)
Category 3 (111–129 mph, 178–208 km/h)
Category 4 (130–156 mph, 209–251 km/h)
Category 5 (≥157 mph, ≥252 km/h)
Unknown Storm type
Tropical cyclone 
Subtropical cyclone 
Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression In late September, a large non-tropical system located over the north-central Atlantic slowly moved westward away from the Azores. The low produced hurricane-force winds, but did not exhibit the characteristics of a tropical cyclone. The storm steadily weakened over the following days, but developed tropical characteristics as it moved over slightly warmer waters. By September 29, the low had developed sufficient convection and was declared Subtropical Storm Laura. Upon being upgraded, cold cloud tops began to wrap around the center of Laura and consolidate near the center of circulation. The convection organized around the center quickly and a satellite pass over the storm revealed that it could be intensifying. A later satellite pass disregarded the possibility of intensification as the intensity was confirmed to be at 60 mph (95 km/h). The overall structure of Laura remained subtropical but there were indications that it might have been acquiring tropical characteristics.
Impact
Subtropical Storm Laura, as of September 29, is located over the open waters of the Central Atlantic and has not caused any impact on land.
Current storm information
As of 5 p.m. AST (2100 UTC) September 29, Subtropical Storm Laura is located within 20 nautical miles of 38.3°N 48.4°W, about 630 mi (1010 km) south-southeast of Cape Race, Newfoundland and Labrador. Maximum sustained winds are 50 knots (60 mph, 95 km/h), with stronger gusts. Minimum central pressure is 995 mbar (hPa; 29.38 InHg), and the system is moving north-northwest at 8 kt (9 mph, 15 km/h).
Tropical storm-force winds extend out up to 240 mi (390 km) from the center of Laura. It is currently not a threat to any land areas.
Official Infomation
For latest official information see:
- The NHC's latest public advisory on Subtropical Storm Laura.
- The NHC's latest forecast/advisory on Subtropical Storm Laura.
See also
References
- NHC (2008). "12L 2008 Trackfile". National Hurricane Center. Retrieved 2008-09-29.
- Stewart (2008). "Subtropical Storm Laura Public Advisory One". National Hurricane Center. Retrieved 2008-09-29.
- Stewart (2008). "Subtropical Storm Laura Discussion One". National Hurricane Center. Retrieved 2008-09-29.
- Berg/Pasch (2008). "Subtropical Storm Laura Discussion Two". National Hurricane Center. Retrieved 2008-09-29.
External links
- The NHC's Archive on Laura
| Tropical cyclones of the 2008 Atlantic hurricane season | ||
|---|---|---|
 | TSArthur 3Bertha TSCristobal 2Dolly TSEdouard TSFay 4Gustav (history) 1Hanna 4Ike TSJosephine 1Kyle TSLaura TSMarco TSNana 4Omar TDSixteen 4Paloma | |
