Update at 10:15 a.m. — With rain becoming lighter, the Flash Flood Warning has been cancelled, though so far the Flood Warning remains in effect.
LWX cancels Flash Flood Warning for Montgomery [MD] and Arlington, City of Alexandria, City of Falls Church, Fairfax [VA] https://t.co/giUlFCzBzm pic.twitter.com/GBX91Dj7Sn
— Matt Ritter, Multimedia Meteorologist (@MetMattRitter) August 20, 2021
Update at 9:15 a.m. — Heavy rain continues around Arlington, though no major flood-related issues have been reported in the county as of yet. One possibly weather-related incident has closed all lanes of the GW Parkway, however: a tree has fallen across the parkway, blocking all lanes just south of Chain Bridge.
LOCATION: GW Parkway South of Chain Bridge
INCIDENT: Trees Down
IMPACT: All lanes of GW Parkway NB and SB are blocked. Seek Alternate Routes. pic.twitter.com/OLb8UZhFVO— Arlington Alert (@ArlingtonAlert) August 20, 2021
Earlier: Arlington County is under a trio of warnings for rising water this morning.
Arlington is under a Flood Warning and two Flash Flood Warnings, as heavy rain continues throughout the county.
High water and road closures have been reported in parts of D.C. and Fairfax County, according to the National Weather Service.
More on the Flash Flood Warning, which is in effect until noon, from NWS:
Flash Flood Warning including Washington DC, Arlington VA, Friendship Heights MD until 12:00 PM EDT pic.twitter.com/ff0rB05ArF
— NWS Baltimore-Washington (@NWS_BaltWash) August 20, 2021
Flash Flood Warning including Alexandria VA, Rockville MD, Bethesda MD until 12:15 PM EDT pic.twitter.com/DHJEi3Skld
— NWS Baltimore-Washington (@NWS_BaltWash) August 20, 2021
BULLETIN – EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
755 AM EDT FRI AUG 20 2021THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* FLASH FLOOD WARNING FOR… DISTRICT OF COLUMBIA… SOUTH CENTRAL MONTGOMERY COUNTY IN CENTRAL MARYLAND… NORTHEASTERN ARLINGTON COUNTY IN NORTHERN VIRGINIA…
* UNTIL NOON EDT.
* AT 755 AM EDT, DOPPLER RADAR INDICATED SHOWERS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 1 AND 1.5 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. SHOWERS PRODUCING FLASH FLOODING.
SOURCE…RADAR.
IMPACT…LIFE THREATENING FLASH FLOODING OF CREEKS AND STREAMS, URBAN AREAS, HIGHWAYS, STREETS AND UNDERPASSES.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE… ARLINGTON… BETHESDA… HOWARD UNIVERSITY… ROSSLYN… FORT TOTTEN… GALLAUDET UNIVERSITY… TAKOMA PARK… CHEVY CHASE… MARTIN’S ADDITIONS… ADAMS MORGAN… GEORGETOWN… AMERICAN UNIVERSITY… FRIENDSHIP VILLAGE… US CAPITOL… BALLSTON… SILVER SPRING… CHILLUM… MOUNT RAINIER… CHEVY CHASE VILLAGE… SOMERSET…
PRECAUTIONARY/PREPAREDNESS ACTIONS…
TURN AROUND, DON’T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.
The Flood Warning covers the entire county and other parts of the region:
Here are the latest watches and warnings as of 7:50 AM. There are numerous roads closed due to high water in the Flood Warnings. For the latest warnings: https://t.co/Kt74D7Wj4h #MDwx #VAwx #DCwx #WVwx pic.twitter.com/Nv9l8LvIbc
— NWS Baltimore-Washington (@NWS_BaltWash) August 20, 2021
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* FLOOD WARNING FOR… DISTRICT OF COLUMBIA… SOUTHEASTERN MONTGOMERY COUNTY IN CENTRAL MARYLAND… NORTHWESTERN 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 145 PM EDT FRIDAY.
* AT 735 AM EDT, DOPPLER RADAR INDICATED HEAVY RAIN. FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY IN THE WARNED AREA. BETWEEN 1 AND 2 INCHES OF RAIN HAVE FALLEN.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE… ARLINGTON… ALEXANDRIA… BETHESDA… ANNANDALE… SPRINGFIELD… COLLEGE PARK… FORT WASHINGTON… GREENBELT… LANGLEY PARK… BELTSVILLE… FORT HUNT… GROVETON… FALLS CHURCH… HUNTINGTON… CORAL HILLS… BLADENSBURG… MANTUA… FORT BELVOIR… PIMMIT HILLS… NATIONAL HARBOR…
THIS INCLUDES THE FOLLOWING FLOOD PRONE ROADS:
MILITARY ROAD AT 36TH ROAD AT GULF BRANCH…
18TH STREET AT UPTON STREET…
17TH STREET NORTH AT NORTH BUCHANAN ST…
SOUTH TROY STREET NEAR LONG BRANCH…
WEST STREET NEAR BRADDOCK ROAD…
HOLMES RUN BELOW LAKE BARCROFT…
RHODE ISLAND AVE NE BETWEEN 2ND AND CAPITOL…
BEACH DR FROM BROAD BRANCH RD TO PINEY BRANCH PKWY…
WOODBURN ROAD AT ACCOTINK CREEK…
CONNECTICUT AVENUE JUST NORTH OF THE BELTWAY…
UNIVERSITY BOULEVARD AT SLIGO CREEK…
BEACH DRIVE ALONG ROCK CREEK…
SLIGO CREEK PARKWAY…ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
TURN AROUND, DON’T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.