Flood Watch

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Portions of northwest North Carolina, including the following areas, Alleghany NC, Ashe and Watauga, Virginia, including the following areas, Alleghany VA, Bath, Bland, Botetourt, Carroll, Craig, Floyd, Giles, Grayson, Montgomery, Pulaski, Roanoke, Rockbridge, Smyth, Tazewell and Wythe, and southeast West Virginia, including the following areas, Eastern Greenbrier, Mercer, Monroe, Summers and Western Greenbrier.

* WHEN...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. Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS... - Possible repeated rounds of thunderstorms in an extremely moist airmass will lead to flash flooding concerns over the next several days. - http://www.weather.gov/safety/flood