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A nor'easter occurred in the East Coast of the United States, bringing heavy rain to Florida, Georgia, and other states in the Southeastern United States, as well as the Northeastern United States, during December 2023.

Meteorological synopsis

A stationary front was draped over the Gulf of Mexico and Florida Keys, connected to a cold front extending from the northwestern Bahamas to the area southeast of Bermuda, around December 15. A surface trough was also formed in the southwestern Gulf. By 1205 UTC on December 16, a 1013 millibar low-pressure system had developed in the western Gulf. The low was forecast to deepen in the Gulf as it developed gale-force winds, eventually to a maximum of 45 knots, before moving into Florida by December 17, while a cold front connected to the low would exit the Gulf by early December 17. Two high-pressure systems, one a 1033 mb system over the mid-Atlantic states, and the other being the 1029 mb Bermuda High, would form a gradient with the low-pressure system, which had deepened in intensity to 1009 mb by 1805 UTC, that'd result in high, often gale-force, winds over the seas near Florida. The low deepened further, at 1004 mb by 0605 UTC on December 17th, and being 999 mb by 1205 UTC. The areas north of the system's warm front were the sites of intense convection, and thus hours of heavy rainfall, at times reaching rates of 0.75 inches per hour, resulting in flash flooding in some areas and rain accumulations of anywhere from two to four inches.

The system had moved ashore Florida by 1805 UTC, then over Jacksonville, Florida, as a 996 mb low, with its warm front running from the low to around the southeastern Bahamas.

Impact

The storm resulted in 5200 flight delays and 115 cancellations just on December 17. Damage from the storm totaled $1.3 billion.

Southeastern United States

On December 16, heavy rainfall affected Central Florida, with all 7 climate sites breaking daily rainfall records. Powerful winds also affected Florida, with a peak gust of 61 mph (98 km/h) in West Palm Beach. Flooding resulted in 11,000 power outages in Florida. The next day, record rain struck the Charleston metropolitan area, South Carolina, with over 3 in (76 mm) of rain. Further north around Myrtle Beach, South Carolina, a flash flood emergency was issued with some areas receiving over 13 in (330 mm) of rain. The storm also brought the 4th highest tide to Charleston Harbor. Property damage in the region was nearly four times that of Hurricane Idalia. A tornado touched down in Horry County, South Carolina during the storm. The storm also resulted in 31,000 power outages in South Carolina, with 14,000 people losing power in North Carolina. A fatality occurred in South Carolina.

Northeastern United States

The storm moved up the coast from December 17 into the 18th, causing major flooding in the Northeastern United States. In the Northeast, over 400 flights were canceled and 1400 delayed, with a ground stop imposed at Boston Logan International Airport. Over 600,000 customers lost power in the Northeast, and a travel advisory issued in New York City. 300,000 power outages were in Maine alone. The Salisbury Zoo closed due to flooding. The Port Washington Branch of the Long Island Rail Road had a partial suspension, with delays on the New Jersey Transit as well. High winds also resulted in the Verrazano-Narrows Bridge closing down. In the state of West Virginia, snowfall up to 5 in (13 cm) fell. Wind gusts reached 90 mph (140 km/h) at the Blue Hill Observatory in Massachusetts. The storm resulted in three fatalities across the region.

Aftermath

Following the storm, the Department of Transportation gave $60,000 to reimburse costs for Moosehorn National Wildlife Refuge, $150,000 to reimburse costs for Rachel Carson National Wildlife Refuge and $220,000 to reimburse costs for Maine Coastal Islands Complex.

References

1. "Tropical Weather Discussion: NWS National Hurricane Center Miami FL 0605 UTC Fri Dec 15 2023". National Hurricane Center. 2013-12-15. Retrieved 2024-11-10.
2. "Tropical Weather Discussion: NWS National Hurricane Center Miami FL 1205 UTC Sat Dec 16 2023". National Hurricane Center. 2013-12-16. Retrieved 2024-11-10.
3. "Tropical Weather Discussion: NWS National Hurricane Center Miami FL 1805 UTC Sat Dec 16 2023". National Hurricane Center. 2013-12-16. Retrieved 2024-11-10.
4. "Tropical Weather Discussion: NWS National Hurricane Center Miami FL 1805 1205 UTC Sun Dec 17 2023". National Hurricane Center. 2013-12-17. Retrieved 2024-11-10.
5. Service, NOAA's National Weather. "WPC MetWatch". www.wpc.ncep.noaa.gov.
6. "Tropical Weather Discussion: NWS National Hurricane Center Miami FL 1805 UTC Sun Dec 17 2023". National Hurricane Center. 2013-12-17. Retrieved 2024-11-10.
7. Salahieh, Nouran (2023-12-17). "Florida rain: Strengthening storm batters Sunshine State, Carolinas and Virginia". CNN. Retrieved 2024-11-10.
8. NCEI.Monitoring.Info@noaa.gov. "Billion-Dollar Weather and Climate Disasters | National Centers for Environmental Information (NCEI)". www.ncei.noaa.gov. Retrieved 2024-11-10.
9. After pummeling Florida, a strengthening storm system is drenching the Atlantic coast, WNYC, December 17, 2023
10. Shackelford, Mary Gilbert, Elizabeth Wolfe, Robert (2023-12-18). "At least 4 dead after powerful Northeast storm knocks out power, floods roads and prompts an evacuation". CNN. Retrieved 2024-11-10.{{cite web}}: CS1 maint: multiple names: authors list (link)
11. ^ Williams, Todd (December 18, 2023). "Charleston and S.C. coast see major flooding caused by late year storm". FOX Carolina.
12. Brinkmann, Heather (2023-12-17). "Charleston swamped by deadly flooding Sunday while Flash Flood Emergency issued near Myrtle Beach". FOX Weather. Retrieved 2024-11-10.
13. December 17, 2023 Nor'easter, ARCGis, January 30, 2024
14. Property damage from Nor’easter nearly quadruples damage from Hurricane Idalia, Live 5 News, December 28, 2023
15. "VIEWER PHOTOS: Residents share nor'easter, tornado damage". wpde.com. Retrieved 2024-11-10.
16. ^ Donegan, Brian (2023-12-17). "Rivers continue to rise, widespread power outages remain after deadly East Coast storm wallops Northeast". FOX Weather. Retrieved 2024-11-10.
17. Shackelford, Mary Gilbert, Elizabeth Wolfe, Robert (2023-12-18). "At least 4 dead after powerful Northeast storm knocks out power, floods roads and prompts an evacuation". CNN. Retrieved 2024-11-10.{{cite web}}: CS1 maint: multiple names: authors list (link)
18. Blockbuster coastal storm to make for a tricky morning commute, AccuWeather, December 18, 2023
19. "Latest on storm recovery in Maine | Red Cross operating 2 emergency shelters". newscentermaine.com. 2023-12-18. Retrieved 2024-11-10.
20. Overturf, Madeleine (2023-12-18). "Multiple venues, locations closed due to flooding". CoastTV. Retrieved 2024-11-10.
21. Major delays, suspensions on LIRR, Metro-North and NJ TRANSIT amid flooding, Pix11, December 18, 2023
22. "Deadly storm batters Northeastern US, knocking out power, grounding flights and flooding roads". www.wabi.tv. 2023-12-18. Retrieved 2024-11-10.
23. US Department of Commerce, NOAA. "December 18-19, 2023 Higher Terrain Snowfall". www.weather.gov. Retrieved 2024-11-10.
24. Klein • •, Asher (December 21, 2023). "Body of 2nd woman killed in Maine floodwaters found, both IDed".
25. "Senator Collins Announces Nearly $1.5 Million to Cover Costs of Emergency Repairs on Maine Roads Damaged by Storms | U.S. Senator Susan Collins of Maine". www.collins.senate.gov. 2024-09-17. Retrieved 2024-11-10.

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