Flood Watch

* WHAT...Flooding caused by excessive rainfall continues to be possible.

* WHERE...Portions of Maryland, including the following areas, Central and Eastern Allegany, Eastern Garrett, Extreme Western Allegany, Washington and Western Garrett, northwest Virginia, including the following area, Frederick, and West Virginia, including the following areas, Berkeley, Eastern Grant, Eastern Mineral, Hampshire, Hardy, Jefferson, Morgan, Western Grant and Western Mineral.

* WHEN...Until 7 PM EDT this evening.

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

* ADDITIONAL DETAILS... - Clusters of strong to severe thunderstorms are likely to push across the region through early this evening. With a continued tropical air mass over the area, very heavy rainfall rates are possible in many of these storms. These rates could approach 1 to 3 inches per hour, with higher instantaneous rates possible. This may cause creeks and stream to quickly rise out of their banks along with potential flash flooding in urban areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information