The areas affected include. Tidal Potomac from Indian Head to Cobb Island MD. At 1142 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located near Port Tobacco River, moving east at 20 knots.

The areas affected include. Tidal Potomac from Indian Head to Cobb Island MD. Tidal Potomac from Key Bridge to Indian Head MD. At 1108 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located over Occoquan Bay, moving east at 15 knots.

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.