...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... The Flash Flood Watch continues for * Portions of Maryland, The District of Columbia, northern Virginia, and panhandle West Virginia, including the following areas, in Maryland, Anne Arundel, Calvert, Carroll, Central and Southeast Howard, Central and Southeast Montgomery, Charles, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford, Southern Baltimore, St. Marys, and Washington. The District of Columbia. In northern Virginia, Arlington/Falls Church/Alexandria, Eastern Loudoun, Fairfax, Prince William/Manassas/Manassas Park, and Western Loudoun. In panhandle West Virginia, Berkeley, Jefferson, and Morgan. * Through late tonight * Showers and thunderstorms are expected this afternoon and evening. Torrential rainfall may lead to totals exceeding 2 inches in a short period of time. Isolated locations may receive 3 or 4 inches. This may cause flash flooding of small streams and other poor drainage urban areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. By The National Weather Service, Sterling, Va.