(Update 7:25 a.m.) Add portions of Beach Drive to the list of road closures Friday morning.
(Original) A Flash Flood Warning is now in effect for Bethesda-Chevy Chase and much of the downcounty until 10:15 a.m.
The National Weather Service has recorded 3.38 inches of rain already in Bethesda, with more forecasted to come throughout the morning.
A reminder: Do not attempt to drive through high standing water. Portions of Bradley Boulevard have already been shut down this morning and MCFRS has been called for a number of water rescues around the county. From NWS:
* FLASH FLOOD WARNING FOR…
THE DISTRICT OF COLUMBIA… SOUTHEASTERN MONTGOMERY COUNTY IN CENTRAL MARYLAND… CITY OF FAIRFAX IN NORTHERN VIRGINIA… CITY OF FALLS CHURCH IN NORTHERN VIRGINIA… ARLINGTON COUNTY IN NORTHERN VIRGINIA… CITY OF ALEXANDRIA IN NORTHERN VIRGINIA… EASTERN FAIRFAX COUNTY IN NORTHERN VIRGINIA…
* UNTIL 1015 AM EDT
* AT 709 AM EDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN HAD FALLEN CAPABLE OF PRODUCING FLASH FLOODING. RADAR ESTIMATES THAT UP TO 3 INCHES OF RAIN HAVE ALREADY FALLEN ACROSS PORTIONS OF THE WARNED AREA. STREAMS ARE RISING EXTREMELY RAPIDLY.
* SOME LOCATIONS THAT ARE AFFECTED BY THE HEAVY RAIN INCLUDE
ALEXANDRIA…ANNANDALE…ARLINGTON…BALLSTON…BELLE HAVEN… BURKE…FRANCONIA…HYBLA VALLEY…LAKE BARCROFT…LINCOLNIA… MCLEAN…MERRIFIELD…OAKTON…REAGAN NATIONAL AIRPORT…ROSSLYN… SPRINGFIELD…THE I395 AND I495 INTERCHANGE…THE I66 AND I495 INTERCHANGE…TYSONS CORNER…VIENNA…WOLF TRAP…ASPEN HILL… BETHESDA…CHEVY CHASE…COLESVILLE…FAIRLAND…HILLANDALE… POTOMAC…ROCKVILLE…TAKOMA PARK…THE AMERICAN LEGION BRIDGE…
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS…URBAN AREAS…HIGHWAYS…STREETS…UNDERPASSES AND OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. FLOODWATER USUALLY IS DEEPER THAN IT APPEARS. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. MAKE THE SMART CHOICE WHEN FLOODED ROADS ARE ENCOUNTERED…TURN AROUND…DONT DROWN.
