Flood Watch

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

* WHERE...Portions of North Carolina, including the following areas, Alleghany NC, Ashe, Caswell, Rockingham, Stokes and Surry, Virginia, including the following areas, Appomattox, Bedford, Bland, Campbell, Carroll, Charlotte, Floyd, Franklin, Giles, Grayson, Halifax, Henry, Montgomery, Patrick, Pittsylvania, Pulaski, Roanoke, Smyth, Tazewell and Wythe, and southeast West Virginia, including the following area, Mercer.

* WHEN...Through Monday evening.

* 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... - An upper level low has been cut off across the region, which has led to extremely slow storm motions areawide. PWATs in the 1.8 to 2.1 inch range will lead to very efficient rainfall rates, and heavy rainfall potential. Ongoing shower and thunderstorm activity has already resulted in several flood advisories and a couple flash flood warnings today. Additional localized totals may exceed 3-4 inches in the flood watch area. - http://www.weather.gov/safety/flood