Flash flood watch till 3 pm today

FLOOD WATCH
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
136 AM EDT TUE AUG 13 2013


DCZ001-MDZ003>007-009>011-013-014-501-502-VAZ028-031-042-053-054-
WVZ050>053-055-501>506-131345-
/O.NEW.KLWX.FF.A.0010.130813T0536Z-130813T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL-
NORTHERN BALTIMORE-HARFORD-MONTGOMERY-HOWARD-SOUTHERN BALTIMORE-
PRINCE GEORGES-ANNE ARUNDEL-EXTREME WESTERN ALLEGANY-
CENTRAL AND EASTERN ALLEGANY-FREDERICK VA-CLARKE-LOUDOUN-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-HAMPSHIRE-MORGAN-BERKELEY-
JEFFERSON-HARDY-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-
EASTERN MINERAL-WESTERN PENDLETON-EASTERN PENDLETON-
INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK...
WESTMINSTER...GAITHERSBURG...COLUMBIA...BALTIMORE...ANNAPOLIS...
FROSTBURG...CUMBERLAND...WINCHESTER...LEESBURG...FAIRFAX...
ALEXANDRIA...FALLS CHURCH...MARTINSBURG...CHARLES TOWN...
MOOREFIELD...BAYARD...MOUNT STORM...PETERSBURG...ELK GARDEN...
KEYSER...FORT ASHBY...CIRCLEVILLE...FRANKLIN
136 AM EDT TUE AUG 13 2013

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON...

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...
  CENTRAL AND EASTERN ALLEGANY...EXTREME WESTERN ALLEGANY...
  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...
  FREDERICK VA AND LOUDOUN. IN NORTHEAST WEST VIRGINIA...
  BERKELEY...EASTERN GRANT...EASTERN MINERAL...EASTERN
  PENDLETON...HAMPSHIRE...HARDY...JEFFERSON...MORGAN...WESTERN
  GRANT...WESTERN MINERAL AND WESTERN PENDLETON.

* THROUGH THIS AFTERNOON

* AN AREA OF HEAVY RAIN HAS DEVELOPED ACROSS THE UPPER OHIO
  VALLEY. THIS AREA OF RAINFALL WILL TRACK EAST ACROSS THE POTOMAC
  HIGHLAND...REACHING THE BALTIMORE WASHINGTON METROPOLITAN AREA
  IN TIME FOR THE MORNING COMMUTE. RAINFALL OF 2 TO 3 INCHES WILL
  BE POSSIBLE IN LESS THAN 3 HOURS...LEADING TO THE POSSIBILITY OF
  FLASH FLOODING.

* HEAVY RAIN COULD OVERWHELM DRAINAGE SYSTEMS. WATER MAY RISE
  QUICKLY ON ROADWAYS...ESPECIALLY LOW LYING AREAS. LOOK FOR
  POTENTIALLY RAPID RISES ON CREEKS AND STREAMS.

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.