* WHAT. Flash Flooding caused by excessive rainfall is possible. * WHERE. Portions of southwest North Carolina, including the following areas, Cherokee and Clay and east Tennessee, including the following areas, Bledsoe, Blount Smoky Mountains, Bradley, Cocke Smoky Mountains, East Polk, Hamilton, Johnson, Marion, McMinn, Meigs, Northwest Monroe, Rhea, Sequatchie, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Southeast Monroe, Unicoi and West Polk. * WHEN. From Wednesday morning through Friday afternoon. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS. - An area of showers and thunderstorms will develop and move across the region Wednesday and continue through Thursday morning. A brief period of drier conditions is possible Thursday before Tropical Storm Helene moves into the southern Appalachians late Thursday through Friday morning. Periods of torrential rains with flash flooding is possible. - http://www.weather.gov/safety/flood

* WHAT. Flash Flooding caused by excessive rainfall is possible. * WHERE. Portions of east Tennessee, including the following areas, Anderson, Claiborne, Grainger, Hamblen, Hancock, Hawkins, Jefferson, Knox, Loudon, North Sevier, Northwest Blount, Northwest Carter, Northwest Cocke, Northwest Greene, Roane, Sullivan, Union and Washington TN and southwest Virginia, including the following areas, Lee, Russell, Scott VA, Washington VA and Wise. * WHEN. From Wednesday morning through Thursday morning. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS. - An area of showers and thunderstorms will develop and move across the region Wednesday and continue through Thursday morning. Torrential rains with flash flooding is possible. A brief period of drier conditions is expected Thursday before Tropical Storm Helene moves into the southern Appalachians late Thursday through Friday morning. A return of heavy rainfall is possible. - http://www.weather.gov/safety/flood