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 Wednesday 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... - A slow moving cold front combined with an upper level disturbance will bring widespread heavy rain to the region. Rain will sometimes be torrential and could cause urban, small stream, or flash flooding. - http://www.weather.gov/safety/flood