* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of northeast Georgia, including the following area, Rabun, western North Carolina, including the following areas, 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 upstate South Carolina, including the following areas, Greenville Mountains, Oconee Mountains and Pickens Mountains. * WHEN. From Wednesday morning through Friday afternoon. * IMPACTS. Excessive runoff may result in significant and damaging flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Areas that are not typically impacted by floodwaters may flood. * ADDITIONAL DETAILS. - Multiple rounds of heavy rainfall are expected due to the interaction of tropical moisture along a stationary front, followed by the passage of Tropical Storm Helene. Storm-total rainfall of 8-12 inches is expected along the entire length of the Blue Ridge Escarpment with widespread 5-8 inches expected across the remainder of the mountains as well as the Piedmont. This has the potential to be an extremely rare event with significant and damaging flash-flooding along numerous streams. - http://www.weather.gov/safety/flood