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Flash Flood Watch

FLOOD WATCH
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
530 PM EDT TUE SEP 27 2016


DCZ001-MDZ003>006-011-013-014-016>018-502>508-VAZ027>031-038>040-
050>057-501-502-505>507-WVZ050>053-055-504-280530-
/O.NEW.KLWX.FF.A.0011.160929T0600Z-160930T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL-
NORTHERN BALTIMORE-SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-
CHARLES-ST. MARYS-CALVERT-CENTRAL AND EASTERN ALLEGANY-
NORTHWEST MONTGOMERY-CENTRAL AND SOUTHEAST MONTGOMERY-
NORTHWEST HOWARD-CENTRAL AND SOUTHEAST HOWARD-NORTHWEST HARFORD-
SOUTHEAST HARFORD-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-
GREENE-MADISON-RAPPAHANNOCK-ORANGE-CULPEPER-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-
KING GEORGE-NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN LOUDOUN-
EASTERN LOUDOUN-NORTHERN VIRGINIA BLUE RIDGE-HAMPSHIRE-MORGAN-
BERKELEY-JEFFERSON-HARDY-EASTERN MINERAL-
INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK...
BALLENGER CREEK...ELDERSBURG...WESTMINSTER...REISTERSTOWN...
COCKEYSVILLE...BALTIMORE...BOWIE...SUITLAND-SILVER HILL...
CLINTON...COLLEGE PARK...GREENBELT...LAUREL...CAMP SPRINGS...
GLEN BURNIE...ANNAPOLIS...SEVERN...SOUTH GATE...SEVERNA PARK...
ARNOLD...ODENTON...ST. CHARLES...WALDORF...LEXINGTON PARK...
CALIFORNIA...CHESAPEAKE BEACH...HUNTINGTOWN...DUNKIRK...
NORTH BEACH...LUSBY...PRINCE FREDERICK...CUMBERLAND...
GERMANTOWN...DAMASCUS...BETHESDA...ROCKVILLE...GAITHERSBURG...
SILVER SPRING...LISBON...COLUMBIA...ELLICOTT CITY...
JARRETTSVILLE...ABERDEEN...STRASBURG...WOODSTOCK...
MOUNT JACKSON...NEW MARKET...WINCHESTER...LURAY...SHENANDOAH...
STANLEY...FRONT ROYAL...BERRYVILLE...STANARDSVILLE...MADISON...
ORANGE...GORDONSVILLE...CULPEPER...DALE CITY...MANASSAS...
WOODBRIDGE...LAKE RIDGE...MONTCLAIR...RESTON...HERNDON...
ANNANDALE...CENTREVILLE...CHANTILLY...MCLEAN...FRANCONIA...
ARLINGTON...ALEXANDRIA...FALMOUTH...FREDERICKSBURG...DAHLGREN...
WARRENTON...TURNBULL...PURCELLVILLE...LEESBURG...ASHBURN...
STERLING...BIG MEADOWS...ROMNEY...PAW PAW...MARTINSBURG...
CHARLES TOWN...SHEPHERDSTOWN...MOOREFIELD...ANTIOCH...KEYSER...
NEW CREEK...RIDGEVILLE...RUSSELLDALE...HEADSVILLE...FORT ASHBY
530 PM EDT TUE SEP 27 2016

...FLASH FLOOD WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF MARYLAND...THE DISTRICT OF
  COLUMBIA...VIRGINIA AND WEST VIRGINIA...INCLUDING THE
  FOLLOWING AREAS...IN MARYLAND...ANNE ARUNDEL...CALVERT...
  CARROLL...CENTRAL AND EASTERN ALLEGANY...CENTRAL AND SOUTHEAST
  HOWARD...CENTRAL AND SOUTHEAST MONTGOMERY...CHARLES...
  FREDERICK MD...NORTHERN BALTIMORE...NORTHWEST HARFORD...
  NORTHWEST HOWARD...NORTHWEST MONTGOMERY...PRINCE GEORGES...
  SOUTHEAST HARFORD...SOUTHERN BALTIMORE...ST. MARYS AND
  WASHINGTON. THE DISTRICT OF COLUMBIA. IN VIRGINIA...
  ARLINGTON/FALLS CHURCH/ALEXANDRIA...CLARKE...CULPEPER...
  EASTERN LOUDOUN...FAIRFAX...FREDERICK VA...GREENE...KING
  GEORGE...MADISON...NORTHERN FAUQUIER...NORTHERN VIRGINIA BLUE
  RIDGE...ORANGE...PAGE...PRINCE WILLIAM/MANASSAS/MANASSAS
  PARK...RAPPAHANNOCK...SHENANDOAH...SOUTHERN FAUQUIER...
  SPOTSYLVANIA...STAFFORD...WARREN AND WESTERN LOUDOUN. IN WEST
  VIRGINIA...BERKELEY...EASTERN MINERAL...HAMPSHIRE...HARDY...
  JEFFERSON AND MORGAN.

* FROM LATE WEDNESDAY NIGHT INTO FRIDAY MORNING

* AN UPPER LEVEL LOW PRESSURE OVER THE WESTERN GREAT LAKES WILL
  DROP SOUTHWARD INTO THE OHIO VALLEY WEDNESDAY INTO THURSDAY. AS
  THE UPPER LOW DROPS SOUTHWARD...LOW LEVEL FLOW IS FORECAST TO
  RAPIDLY INCREASE OVER THE AREA WEDNESDAY NIGHT RESULTING IN
  SIGNIFICANT MOISTURE TRANSPORT INTO THE AREA. PERIODS OF HEAVY
  RAINFALL ARE ANTICIPATED LATE WEDNESDAY NIGHT THROUGH THURSDAY
  NIGHT ACROSS THE CENTRAL MID-ATLANTIC. THE PERIOD OF MOST
  INTENSE RAINFALL IS EXPECTED LATE WEDNESDAY NIGHT THROUGH EARLY
  THURSDAY AFTERNOON. WIDESPREAD RAINFALL AMOUNTS OF 3 TO 5 INCHES
  ARE EXPECTED WITH LOCALIZED HIGHER TOTALS IN AREAS OF REPEATED
  ACTIVITY. EASTERN SLOPES OF MOUNTAINS SUCH AS THE NORTHERN BLUE
  RIDGE AND CATOCTIN MOUNTAIN ALSO HAVE AN INCREASED RISK FOR
  HIGHER RAIN TOTALS.

* POTENTIAL EXISTS FOR FLASH FLOODING OF SMALL STREAMS...CREEKS
  AND URBAN AREAS ESPECIALLY IN AREAS OF REPEATED ACTIVITY.

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.

&&

$$



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