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Flood Watch issued September 24 at 3:22PM EDT until September 27 at 2:00PM EDT by NWS Greenville-Spartanburg SC* WHAT...Flash flooding caused by excessive rainfall is possible.* WHERE...Portions of northeast Georgia, including the followingarea, Rabun, western North Carolina, including the followingareas, Avery, Buncombe, Burke Mountains, Caldwell Mountains,Graham, Haywood, Henderson, Macon, Madison, McDowell Mountains,Mitchell, Northern Jackson, Polk Mountains, Rutherford Mountains,Southern Jackson, Swain, Transylvania and Yancey, and upstateSouth Carolina, including the following areas, GreenvilleMountains, Oconee Mountains and Pickens Mountains.* WHEN...From Wednesday morning through Friday afternoon.* IMPACTS...Excessive runoff may result in significant and damagingflooding of rivers, creeks, streams, and other low-lying andflood-prone locations. Areas that are not typically impacted byfloodwaters may flood.* ADDITIONAL DETAILS...- Multiple rounds of heavy rainfall are expected due to theinteraction of tropical moisture along a stationary front,followed by the passage of Tropical Storm Helene. Storm-totalrainfall of 8-12 inches is expected along the entire lengthof the Blue Ridge Escarpment with widespread 5-8 inchesexpected across the remainder of the mountains as well as thePiedmont. This has the potential to be an extremely rareevent with significant and damaging flash-flooding alongnumerous streams.- http://www.weather.gov/safety/floodA Flood Watch for flash flooding means there is a potential forrapid onset flooding based on current forecasts. Flash flooding is avery dangerous situation and may impact areas that do not typicallyflood. Please monitor the latest forecasts and be prepared to takeaction quickly should Flash Flood Warnings be issued.Rainfall of more than five inches in similar storms has beenassociated with an increased risk of landslides and rockslides. Ifyou live on a mountainside or in a cove at the base of a mountain,especially near a stream, be ready to leave in advance of the stormor as quickly as possible should rising water, moving earth, orrocks threaten. Consider postponing travel along mountain roadsduring periods of heavy rainfall.Low-lying areas adjacent to streams, including campgrounds, areespecially vulnerable to flooding. If you live or are vacationingnext to a stream, please have a plan in place to seek higher groundonce heavy rainfall develops. Flash floods can occur quickly andoverwhelm adjacent low-lying areas with little warning. Once thestream starts to rise, you may only have minutes to evacuate. Flashfloods can cause catastrophic damage and be powerful enough to sweepaway campers, vehicles, and mobile homes. Consider temporarilyrelocating away from streams until the heavy rainfall threat passes.

National Weather Service