King Tides Will Gain Extra Force From Storm; Coastal GA, SC, FL Will See Flooding Through Weekend
A developing storm system will combine with high astronomical tides to bring areas of serious coastal flooding to the shoreline of Georgia, eastern Florida and South Carolina late Friday and into the weekend. Persistent onshore flow brought by gusty easterly winds will pile water up against the coastline, threatening vulnerable property and causing widespread splashover. Coastal flood watches stretch from the Treasure Coast north into southeast Georgia, and advisories, watches and warnings will “definitely” be expanded northward into South Carolina, according to the National Weather Service.
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Low pressure will form along a cold front in the eastern Gulf of Mexico west of the Florida Straits on Friday. It will pass over central Florida on Friday night with showers and a few thunderstorms before emerging north of the Bahamas overnight into Saturday morning.
The low will intensify during the day Saturday, drawing in more air. In the process, surface winds will strengthen. The unusual setup will yield a corridor of 30 to 40 mph easterly or northeasterly wind gusts from roughly Jacksonville to the Outer Banks, N.C. A few gusts approaching 50 mph can’t be ruled out. That will help amplify tidal flooding and bring a storm surge of several feet that could inundate low-lying areas near the coast.
Fort Pulaski, east of Savannah, Ga., is forecast to see peak water levels reach major flood stage Saturday. The predicted level would be fourth highest on record and comparable to an October 1947 Category 2 hurricane, according to Weather.com. Moderate to major coastal flooding is anticipated around Charleston between Friday and Sunday, with Saturday’s peak water level potentially ranking in the top 10 highest on record. About two feet of inundation is possible. Weather models also depict showers and downpours, relegated mainly to the immediate coastline.
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https://www.washingtonpost.com/weather/2021/11/04/southeast-coastal-flooding-storm-kingtide/