Full Notification

The National Weather Service in Sterling Virginia has issued a

* Flash Flood Watch for portions of Maryland, The District of Columbia, Virginia, and West Virginia, including the following areas, in Maryland, Anne Arundel, Carroll, Central and Eastern Allegany, Central and Southeast Howard, Central and Southeast Montgomery, Extreme Western Allegany, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford, Southern Baltimore, and Washington. The District of Columbia. In Virginia, Arlington/Falls Church/Alexandria, Clarke, Eastern Loudoun, Fairfax, Frederick VA, and Western Loudoun. In West Virginia, Berkeley, Jefferson, Morgan, Western Grant, and Western Mineral.

* From 2 PM EDT this afternoon through this evening

* Numerous to widespread showers and thunderstorms are expected this afternoon and this evening in a very warm and humid environment. There is potential for showers to move repeatedly over the same areas and to produce intense rainfall rates in a short period of time that may lead to flash flooding. The greatest risk of flash flooding is across northern and central Maryland.

* AFFECTED AREAS: DISTRICT OF COLUMBIA ... WESTERN MINERAL ... ANNE ARUNDEL ... FAIRFAX ... EXTREME WESTERN ALLEGANY ... NORTHERN BALTIMORE ... NORTHWEST HOWARD ... NORTHWEST HARFORD ... CENTRAL AND SOUTHEAST MONTGOMERY ... MORGAN ... WESTERN GRANT ... FREDERICK ... SOUTHERN BALTIMORE ... JEFFERSON ... CENTRAL AND EASTERN ALLEGANY ... CARROLL ... EASTERN LOUDOUN ... ARLINGTON/FALLS CHURCH/ALEXANDRIA ... CLARKE ... BERKELEY ... PRINCE GEORGES ... WASHINGTON ... CENTRAL AND SOUTHEAST HOWARD ... FREDERICK ... WESTERN LOUDOUN ... SOUTHEAST HARFORD ... NORTHWEST MONTGOMERY

Instructions:

A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.