FLASH FLOOD WARNING

[Nws Olney Maryland]

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
549 PM EDT THU AUG 12 2010

THE NATIONAL WEATHER SERVICE IN OLNEY MARYLAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
THE DISTRICT OF COLUMBIA...
CENTRAL HOWARD COUNTY IN CENTRAL MARYLAND...
EASTERN MONTGOMERY COUNTY IN CENTRAL MARYLAND...
WEST CENTRAL PRINCE GEORGES COUNTY IN CENTRAL MARYLAND...
CITY OF ALEXANDRIA IN NORTHERN VIRGINIA...
CITY OF FALLS CHURCH IN NORTHERN VIRGINIA...
ARLINGTON COUNTY IN NORTHERN VIRGINIA...
EASTERN FAIRFAX COUNTY IN NORTHERN VIRGINIA...

* UNTIL 845 PM EDT

* AT 535 PM EDT...A STRONG THUNDERSTORM WAS HEADING SOUTH INTO THE
WASHINGTON METRO AREA. THIS WILL CROSS AREAS THAT WERE ALREADY
SOAKED THIS MORNING WITH HEAVY RAIN. FLOODING IS EXPECTED TO OCCUR
QUICKLY WITH ADDITIONAL HEAVY RAIN.

* SOME LOCATIONS THAT WILL BE AFFECTED BY THE HEAVY RAIN INCLUDE
ARLINGTON...ALEXANDRIA...FALLS CHURCH...THE DISTRICT...THE METRO
AREA INSIDE AND AROUND THE WASHINGTON BELTWAY... MUCH OF MONTGOMERY
COUNTY AND THE SOUTHWEST PART OF HOWARD COUNTY.

DO NOT CROSS AREAS WHERE WATER COVERS THE ROAD. TURN AROUND... DONT
DROWN. IF YOU LIVE NEAR LOW LYING AREAS AND STREAMS BE READY FOR
RAPIDLY RISING WATER.