SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for. Tidal Potomac from Key Bridge to Indian Head MD. * Until 945 PM EDT. * At 822 PM EDT, a severe thunderstorm capable of producing waterspouts was located over Alexandria, moving east at 10 knots. HAZARD. Wind gusts 34 knots or greater and waterspouts. SOURCE. Radar indicated. IMPACT. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Waterspouts can easily overturn boats and create locally hazardous seas. * Locations impacted include. Fort Washington, Tidal Basin, Reagan National Airport, Woodrow Wilson Bridge, Key Bridge, Fort Hunt, National Harbor, and Alexandria.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. North Central Washington County in north central Maryland. * Until 1215 AM EDT. * At 904 PM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE. Radar and automated gauges. IMPACT. Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include. Hagerstown. Municipal Stadium. Fountainhead-Orchard Hills. Paramount-Long Meadow. Wilson-Conococheague. Long Meadow. Halfway. Maugansville. Funkstown. Middleburg. Warrenton.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. Northeastern Washington County in north central Maryland. Northeastern Berkeley County in the panhandle of West Virginia. * Until 1145 PM EDT. * At 837 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include. Hagerstown. Municipal Stadium. Robinwood. Fountainhead-Orchard Hills. Paramount-Long Meadow. Wilson-Conococheague. Williamsport. Saint James. Long Meadow. Halfway. Maugansville. Funkstown. Leitersburg. Clear Spring. Chewsville. Big Spring. Big Pool. Middleburg. Warrenton. Bridgeport.