Update at 10:20 p.m. — Portions of northern Arlington County are now under a Flash Flood Warning after an extended period of heavy rain.
Flash Flood Warning including Washington DC, Arlington VA and Chillum MD until 1:15 AM EDT pic.twitter.com/9ywbqnDoL2
— NWS Baltimore-Washington (@NWS_BaltWash) August 5, 2022
From the National Weather Service:
BULLETIN – EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Baltimore MD/Washington DC
1016 PM EDT Thu Aug 4 2022The National Weather Service in Sterling Virginia has issued a
* Flash Flood Warning for… District of Columbia… South Central Montgomery County in central Maryland… West Central Prince Georges County in central Maryland… Northern Arlington County in northern Virginia…
* Until 115 AM EDT.
* At 1016 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 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…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… Bethesda… Falls Church… Howard University… Fort Totten… Rosslyn… Gallaudet University… RFK Stadium… Hyattsville… Takoma Park… Chevy Chase… Martin`s Additions…
Adams Morgan… Georgetown… American University… US Capitol… Friendship Village… Kenilworth… Silver Spring… Chillum…PRECAUTIONARY/PREPAREDNESS ACTIONS…
Turn around, don’t drown when encountering flooded roads. Most flood deaths occur in vehicles.
Earlier: A Severe Thunderstorm Warning was just issued for Arlington.
A storm approaching the area from the west is packing strong winds and torrential rain, forecaster say.
More from the National Weather Service:
BULLETIN – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Baltimore MD/Washington DC
628 PM EDT Thu Aug 4 2022The National Weather Service in Sterling Virginia has issued a
* Severe Thunderstorm Warning…
* Until 715 PM EDT.
* At 627 PM EDT, a severe thunderstorm was located over Annandale, moving east at 10 mph.
HAZARD…60 mph wind gusts and quarter size hail.
SOURCE…Radar indicated.
IMPACT…Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles.
* Locations impacted include… Arlington, Alexandria, Bethesda, Bowie, Annandale, Clinton, Springfield, College Park, Fort Washington, Greenbelt, Fairfax, Langley Park, Beltsville, Fort Hunt, Vienna, Groveton, Forestville, Falls Church, Huntington and Largo.