Update at 12:30 a.m. — Parts of north Arlington are under another Flash Flood Warning after a heavy downpour soaked the area late Monday night. Another round of heavy rain is approaching the area.
Flash Flood Warning including Arlington VA, Silver Spring MD, Bethesda MD until 2:30 AM EDT pic.twitter.com/woKHUQEpjc
— NWS Baltimore-Washington (@NWS_BaltWash) August 17, 2021
We get a brief break, but more heavy rain should arrive around or shortly after 1 a.m.; another half inch to an inch is possible throughout D.C. and surrounding counties.
Atmosphere is still unstable and is moisture-loaded to the max. More urban ponding possible.@capitalweather pic.twitter.com/bBsEHlpw1m
— Matthew Cappucci (@MatthewCappucci) August 17, 2021
Earlier: Arlington and surrounding areas are under a new Flash Flood Warning Monday evening.
An area of very heavy heavy rain is moving north into Alexandria and Arlington. The rain is likely to cause flash flooding, forecasters say.
More from the National Weather Service:
BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT MON AUG 16 2021THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* FLASH FLOOD WARNING FOR… CENTRAL DISTRICT OF COLUMBIA… WEST CENTRAL PRINCE GEORGES COUNTY IN CENTRAL MARYLAND… ARLINGTON COUNTY IN NORTHERN VIRGINIA… SOUTHEASTERN FAIRFAX COUNTY IN NORTHERN VIRGINIA… THE CITY OF ALEXANDRIA IN NORTHERN VIRGINIA… THE CITY OF FALLS CHURCH IN NORTHERN VIRGINIA…
* UNTIL 815 PM EDT.
* AT 524 PM EDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN MOVING INTO THE WARNED AREA. RAINFALL AMOUNTS BETWEEN 1 TO 3 INCHES ARE EXPECTED WITHIN AN HOUR. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY.
HAZARD…LIFE THREATENING FLASH FLOODING. THUNDERSTORMS PRODUCING FLASH FLOODING.
SOURCE…RADAR.
IMPACT…LIFE THREATENING FLASH FLOODING OF CREEKS AND STREAMS, URBAN AREAS, HIGHWAYS, STREETS AND UNDERPASSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
TURN AROUND, DON’T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.
Flash Flood Warning including Washington DC, Arlington VA, Alexandria VA until 8:15 PM EDT pic.twitter.com/Rq5DsKYz7e
— NWS Baltimore-Washington (@NWS_BaltWash) August 16, 2021
If you live/work/are in the area circled in green, heavy rain is forming, this will cause FLASH FLOODING (rapidly rising water).
If you are near an area where this has happened before, take note especially! pic.twitter.com/ooHMkGyXpD— Ryan Miller (@RyanMiller_WX) August 16, 2021