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Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
735 PM EDT THU JUL 28 2016

ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-292345-
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD-
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD-
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
PATUXENT RIVER TO BROOMES ISLAND MD-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND-DISTRICT OF COLUMBIA-SOUTHERN BALTIMORE-PRINCE GEORGES-
ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-SOUTHEAST HARFORD-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-
KING GEORGE-
735 PM EDT THU JUL 28 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE
CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN
CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF
COLUMBIA.

.DAY ONE...TONIGHT

A FLASH FLOOD WATCH IS NOW IN EFFECT FOR THE ENTIRE BALTIMORE-
WASHINGTON METROPOLITAN AREA THIS AFTERNOON AND TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE FLASH FLOOD WATCH FOR THE BALTIMORE AND WASHINGTON AREAS REMAINS
IN EFFECT UNTIL 11 AM FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN HAS BEEN ACTIVATED.

$$



Flash Flood Watch

FLOOD WATCH
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
213 PM EDT THU JUL 28 2016


DCZ001-MDZ003>005-013-501>505-VAZ026>031-040-052>054-501-503>507-
WVZ050>053-055-501>506-290215-
/O.EXB.KLWX.FF.A.0009.160728T1813Z-160729T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DISTRICT OF COLUMBIA-WASHINGTON-FREDERICK MD-CARROLL-
PRINCE GEORGES-EXTREME WESTERN ALLEGANY-
CENTRAL AND EASTERN ALLEGANY-NORTHWEST MONTGOMERY-
CENTRAL AND SOUTHEAST MONTGOMERY-NORTHWEST HOWARD-ROCKINGHAM-
SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-RAPPAHANNOCK-
PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-NORTHERN FAUQUIER-
WESTERN HIGHLAND-EASTERN HIGHLAND-WESTERN LOUDOUN-EASTERN LOUDOUN-
NORTHERN VIRGINIA BLUE RIDGE-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-
HARDY-WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL-
WESTERN PENDLETON-EASTERN PENDLETON-
INCLUDING THE CITIES OF...WASHINGTON...HAGERSTOWN...FREDERICK...
BALLENGER CREEK...ELDERSBURG...WESTMINSTER...BOWIE...
SUITLAND-SILVER HILL...CLINTON...COLLEGE PARK...GREENBELT...
LAUREL...CAMP SPRINGS...FROSTBURG...CUMBERLAND...GERMANTOWN...
DAMASCUS...BETHESDA...ROCKVILLE...GAITHERSBURG...SILVER SPRING...
LISBON...HARRISONBURG...STRASBURG...WOODSTOCK...MOUNT JACKSON...
NEW MARKET...WINCHESTER...LURAY...SHENANDOAH...STANLEY...
FRONT ROYAL...BERRYVILLE...DALE CITY...MANASSAS...WOODBRIDGE...
LAKE RIDGE...MONTCLAIR...RESTON...HERNDON...ANNANDALE...
CENTREVILLE...CHANTILLY...MCLEAN...FRANCONIA...ARLINGTON...
ALEXANDRIA...WARRENTON...HIGHTOWN...MONTEREY...PURCELLVILLE...
LEESBURG...ASHBURN...STERLING...BIG MEADOWS...ROMNEY...PAW PAW...
MARTINSBURG...CHARLES TOWN...SHEPHERDSTOWN...MOOREFIELD...
BAYARD...MOUNT STORM...PETERSBURG...ELK GARDEN...ANTIOCH...
KEYSER...NEW CREEK...RIDGEVILLE...RUSSELLDALE...HEADSVILLE...
FORT ASHBY...RIVERTON...BRANDYWINE...FRANKLIN...OAK FLAT...
RUDDLE...SUGAR GROVE
213 PM EDT THU JUL 28 2016

...FLASH FLOOD WATCH IN EFFECT THROUGH FRIDAY MORNING...

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS EXPANDED
THE

* FLASH FLOOD WATCH TO INCLUDE PORTIONS OF MARYLAND...THE
  DISTRICT OF COLUMBIA...VIRGINIA AND WEST VIRGINIA...INCLUDING
  THE FOLLOWING AREAS...IN MARYLAND...CARROLL...CENTRAL AND
  EASTERN ALLEGANY...CENTRAL AND SOUTHEAST MONTGOMERY...EXTREME
  WESTERN ALLEGANY...FREDERICK MD...NORTHWEST HOWARD...NORTHWEST
  MONTGOMERY...PRINCE GEORGES AND WASHINGTON. THE DISTRICT OF
  COLUMBIA. IN VIRGINIA...ARLINGTON/FALLS CHURCH/ALEXANDRIA...
  CLARKE...EASTERN HIGHLAND...EASTERN LOUDOUN...FAIRFAX...
  FREDERICK VA...NORTHERN FAUQUIER...NORTHERN VIRGINIA BLUE
  RIDGE...PAGE...PRINCE WILLIAM/MANASSAS/MANASSAS PARK...
  RAPPAHANNOCK...ROCKINGHAM...SHENANDOAH...WARREN...WESTERN
  HIGHLAND AND WESTERN LOUDOUN. IN WEST VIRGINIA...BERKELEY...
  EASTERN GRANT...EASTERN MINERAL...EASTERN PENDLETON...
  HAMPSHIRE...HARDY...JEFFERSON...MORGAN...WESTERN GRANT...
  WESTERN MINERAL AND WESTERN PENDLETON.

* THROUGH FRIDAY MORNING

* AN AREA OF LOW PRESSURE IS EXPECTED TO DEVELOP TONIGHT OVER
  SOUTHERN VIRGINIA AND TRACK NORTHEAST ACROSS NORTHEAST MARYLAND
  AND NEW JERSEY FRIDAY. SEVERAL ROUNDS OF SHOWERS AND
  THUNDERSTORMS DEVELOPING THIS AFTERNOON WILL CONTINUE INTO
  FRIDAY MORNING. GIVEN AMPLE MOISTURE AND INSTABILITY... SHOWERS
  AND THUNDERSTORMS WILL BE CAPABLE OF PRODUCING TORRENTIAL
  DOWNPOURS WITH RAINFALL RATES OF AN INCH OR TWO PER HOUR AT
  TIMES. THIS MAY RESULT IN FLASH FLOODING OF SMALL STREAMS...
  CREEKS AND URBAN AREAS.


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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