
999 
WGUS71 KLWX 082057
FFSLWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 PM EDT THU SEP 8 2011

VAC059-153-510-600-082215-
/O.CON.KLWX.FF.W.0150.000000T0000Z-110908T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CITY OF ALEXANDRIA VA-CITY OF FAIRFAX VA-PRINCE WILLIAM VA-FAIRFAX VA-
457 PM EDT THU SEP 8 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR
EASTERN FAIRFAX...SOUTHEASTERN PRINCE WILLIAM...EASTERN CITY OF
FAIRFAX AND CITY OF ALEXANDRIA COUNTIES...

AT 453 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING OVER THE WARNED AREA. WHILE THE AREA HAD RECEIVED A 
TEMPORARY BREAK IN THE RAINFALL...MORE MODERATE TO HEAVY SHOWERS AND 
THUNDERSTORMS ARE DEVELOPING JUST TO THE WEST OF WASHINGTON DC. THIS 
ADDITIONAL RAIN WILL PROLONG THE THREAT OF FLASH FLOODING OVER THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR ESTIMATES AND OBSERVATIONS SHOW TWO TO FOUR INCHES OF 
RAIN HAS ALREADY FALLEN EARLIER THIS AFTERNOON ACROSS FAIRFAX... 
VIENNA AND GREAT FALLS. AN ADDITIONAL ONE TO TWO INCHES ARE POSSIBLE 
IN THE WARNED AREA.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. MOVE TO HIGHER GROUND.

&&

LAT...LON 3902 7725 3898 7724 3895 7714 3893 7712
      3889 7720 3887 7720 3886 7716 3887 7714
      3885 7711 3884 7707 3877 7708 3869 7719
      3854 7730 3856 7734 3905 7731

$$

JRK