* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southwest North Carolina, including the following areas, Cherokee and Clay and east Tennessee, including the following areas, Anderson, Bledsoe, Blount Smoky Mountains, Bradley, Campbell, Claiborne, Cocke Smoky Mountains, East Polk, Grainger, Hamblen, Hamilton, Hancock, Hawkins, Jefferson, Knox, Loudon, Marion, McMinn, Meigs, Morgan, North Sevier, Northwest Blount, Northwest Cocke, Northwest Greene, Northwest Monroe, Rhea, Roane, Scott TN, Sequatchie, Sevier Smoky Mountains, Southeast Greene, Southeast Monroe, Unicoi, Union, Washington TN and West Polk. * WHEN...Until 2 PM EDT /1 PM CDT/ this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Showers and a few thunderstorms will continue in parts of the area through the morning, some with very heavy rainfall. Rainfall rates between 1 to 3 inches per hour can be expected with some of these showers and storms, and areas that see repeated or prolonged periods of heavy rain will be especially at risk for flash flooding. - http://www.weather.gov/safety/flood