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WGUS51 KLWX 112025

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DCC001-MDC027-031-033-VAC013-107-047-059-061-153-510-600-610-683-685-

112230-



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON

416 PM EDT SAT AUG 11 2001



THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  DISTRICT OF COLUMBIA IN DISTRICT OF COLUMBIA

  HOWARD COUNTY IN CENTRAL MARYLAND

  MONTGOMERY COUNTY IN CENTRAL MARYLAND

  PRINCE GEORGES COUNTY IN CENTRAL MARYLAND

  ARLINGTON COUNTY IN NORTHERN VIRGINIA

  CITY OF ALEXANDRIA IN NORTHERN VIRGINIA

  CITY OF FAIRFAX IN NORTHERN VIRGINIA

  CITY OF FALLS CHURCH IN NORTHERN VIRGINIA

  CITY OF MANASSAS IN NORTHERN VIRGINIA

  CITY OF MANASSAS PARK IN NORTHERN VIRGINIA

  CULPEPER COUNTY IN NORTHERN VIRGINIA

  FAIRFAX COUNTY IN NORTHERN VIRGINIA

  FAUQUIER COUNTY IN NORTHERN VIRGINIA

  PRINCE WILLIAM COUNTY IN NORTHERN VIRGINIA

  EASTERN LOUDOUN COUNTY



* UNTIL 630 PM EDT



* AT 415 PM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF 

  THUNDERSTORMS WITH TORRENTIAL RAINFALL FROM HOWARD AND MONTGOMERY

  COUNTIES SOUTH ACROSS THE DISTRICT OF COLUMBIA FAIRFAX COUNTY

  PRINCE GEORGES EASTERN LOUDOUN PRINCE-WILLIAM FAUQUIER AND CULPEPER

  COUNTIES. THIS LINE OF THUNDERSTORMS WAS NEARLY STATIONARY AND

  PRODUCING RAINFALL RATES OF 2 TO 3 INCHES PER HOUR. FLOODING HAS

  ALREADY BEEN REPORTED IN MONTGOMERY COUNTY.



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL

CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES

AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL

CREEKS AND STREAMS...COUNTRY ROADS...OTHER POOR DRAINAGE OR LOW LYING

AREAS.



IF WATER IS FLOWING ACROSS A ROADWAY TURN YOUR VEHICLE AROUND AND

FIND AN ALTERNATE ROUTE. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW

YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE

ABANDONED QUICKLY. MOVE TO HIGHER GROUND.



A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS

IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. IF YOU

ENCOUNTER WATER FLOWING ACROSS BRIDGES...DIPS...OR OTHER LOW SPOTS

TURN AROUND AND FIND AN ALTERNATE ROUTE. NEVER TRY TO CROSS A FLOWING

STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP

TO HIGHER GROUND.



A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.

IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.

RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE

PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS

SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY

AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK

HIGHER GROUND.



LAT...LON 3927 7699 3842 7800 3842 7793 3880 7684



$$

JLW/ABW

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