Flood Watch

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of east Tennessee, including the following areas, Anderson, Blount Smoky Mountains, Campbell, Claiborne, Cocke Smoky Mountains, Grainger, Hamblen, Hancock, Hawkins, Jefferson, Johnson, Knox, Loudon, Morgan, North Sevier, Northwest Blount, Northwest Carter, Northwest Cocke, Northwest Greene, Roane, Scott TN, Sevier Smoky Mountains, Southeast Carter, Southeast Greene, Sullivan, Unicoi, Union and Washington TN and southwest Virginia, including the following areas, Lee, Russell, Scott VA, Washington VA and Wise.

* WHEN...From midnight EDT tonight through Wednesday evening.

* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS... - Periods of showers and thunderstorms are expected tonight into Wednesday. Locations that receive multiple rounds or extended periods of locally heavy rainfall could experience flash flooding. Locations that have recently seen flooding need less rainfall to have additional flooding, and should take additional rounds of heavy rain and storms seriously. - http://www.weather.gov/safety/flood