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Flash Flood Watch for Baltimore and Washington on Friday

National Weather Service forecast map
National Weather Service forecast map
Map courtesy National Weather Service

The National Weather Service at Baltimore/Washington has issued a Flash Flood Watch for the immediate downtown and suburban areas of Baltimore and Washington on Friday, June 13. Recent heavy rains have left the ground saturated in central Maryland. Meanwhile, more showers and thunderstorms with potentially heavy rain will impact the area Friday afternoon and evening. Localized flooding is likely, particularly in areas that have already been impacted by flooding in recent days. See the text of the Flash Flood Watch below. Fortunately, a cooler and drier air mass will overspread the Middle Atlantic states over the weekend with no precipitation expected.

DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL-
NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-
PRINCE GEORGES-ANNE ARUNDEL-CLARKE-LOUDOUN-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER-
SOUTHERN FAUQUIER-BERKELEY-JEFFERSON-
INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK...
WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...
LEESBURG...MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA...
FALLS CHURCH...WARRENTON...MARTINSBURG...CHARLES TOWN
417 AM EDT FRI JUN 13 2014

...FLASH FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF MARYLAND...THE DISTRICT OF
COLUMBIA...VIRGINIA AND NORTHEAST WEST VIRGINIA...INCLUDING
THE FOLLOWING AREAS...IN MARYLAND...ANNE ARUNDEL...CARROLL...
FREDERICK MD...HARFORD...HOWARD...MONTGOMERY...NORTHERN
BALTIMORE...PRINCE GEORGES...SOUTHERN BALTIMORE AND
WASHINGTON. THE DISTRICT OF COLUMBIA. IN VIRGINIA...
ARLINGTON/FALLS CHURCH/ALEXANDRIA...CLARKE...FAIRFAX...
LOUDOUN...NORTHERN FAUQUIER...PRINCE WILLIAM/MANASSAS/MANASSAS
PARK AND SOUTHERN FAUQUIER. IN NORTHEAST WEST VIRGINIA...
BERKELEY AND JEFFERSON.

* FROM NOON EDT TODAY THROUGH 10 PM TONIGHT.

* A MOIST AIRMASS REMAINS OVER THE REGION TODAY. WIDELY SCATTERED
SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON INTO THIS
EVENING IN ADVANCE OF AN APPROACHING COLD FRONT. RAINFALL RATES
WITHIN THE STRONGER SHOWERS AND THUNDERSTORMS COULD EXCEED ONE
TO TWO INCHES PER HOUR. MOST ACTIVITY IS EXPECTED TO DEVELOP
ALONG AND EAST OF THE NORTHERN VIRGINIA BLUE RIDGE AND MARYLAND
CATOCTINS. RECENT RAINFALL HAS NEARLY SATURATED THE GROUND IN
SOME LOCATIONS...AND RAINFALL FROM LATER THIS AFTERNOON WILL
INCREASE THE RISK FOR FLASH FLOODING IN ISOLATED LOCATIONS...
ESPECIALLY PORTIONS OF THE WASHINGTON DC AND BALTIMORE METRO
AREAS AND SOME OF THE HILLY TERRAIN OF THE NORTHERN SHENANDOAH
VALLEY REGION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.