FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. Central Frederick County in north central Maryland. * Until 930 PM EDT. * At 618 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. 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. Frederick. Walkersville. Utica. Lewistown. Bloomfield.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. Fairfax County in northern Virginia. South Central Loudoun County in northern Virginia. The City of Fairfax in northern Virginia. * Until 845 PM EDT. * At 543 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. 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. Centreville. South Riding. Fairfax. Mantua. Oakton. Chantilly. Merrifield. Fairfax Station.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. Fairfax County in northern Virginia. South Central Loudoun County in northern Virginia. Prince William County in northern Virginia. * Until 815 PM EDT. * At 513 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. Additional rainfall amounts of 1 to 3 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. Centreville. Bull Run. Sudley. Catharpin. Woolsey.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for. South Central Montgomery County in central Maryland. West Central Arlington County in northern Virginia. Fairfax County in northern Virginia. The Northwestern City of Falls Church in northern Virginia. * Until 800 PM EDT. * At 449 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 30 minutes. 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. Arlington. Rockville. Bethesda. Reston. Herndon. Fairfax. Vienna. Falls Church. Pimmit Hills. American Legion Bridge. Mclean. Potomac. North Bethesda. Oakton. North Potomac. Tysons Corner. Wolf Trap. Great Falls. Merrifield. I66 and I495 Interchange.