FFWCHS The National Weather Service in Charleston has issued a * Flash Flood Warning for. Chatham County in southeastern Georgia. Jasper County in southeastern South Carolina. * Until 400 AM EDT. * At 156 AM EDT, Doppler radar indicated an large band of showers and thunderstorm with torrential rainfall just off the coast of Chatham County. This band will move across much Chatham County into parts of Jasper County through 4 AM. This includes much of the Savannah Metro Area. As much as 1 to 3 inches of rain could fall over a very short period. This will result in urban flooding and flash flooding. Road closures are possible, especially across Downtown Savannah. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar indicated. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Pooler, Bluffton, Tybee Island, Midtown Savannah, Downtown Savannah, Hutchinson Island, Hunter Army Airfield, Windsor Forest, Wilmington Island and Coffee Bluff. This includes the following highways. I-16 between mile markers 156 and 168. I-95 in Georgia between mile markers 98 and 112. I-516 between mile markers 3 and 9.
