635  
WGUS51 KLWX 110812  
FFWLWX  
MDC023-111000-  
/O.EXT.KLWX.FF.W.0038.000000T0000Z-260811T1000Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
412 AM EDT TUE AUG 11 2026  
 
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS EXTENDED THE  
 
* FLASH FLOOD WARNING FOR...  
NORTHERN GARRETT COUNTY IN WESTERN MARYLAND...  
 
* UNTIL 600 AM EDT.  
 
* AT 412 AM EDT, EMERGENCY MANAGEMENT REPORTS AN ONGOING WATER  
RESCUE IN THE VICINITY OF THE CASSELMAN RIVER AND BITTINGER ROAD.  
SEVERAL HOMES HAVE ALSO BEEN REPORTED TO HAVE FLOODED BASEMENTS  
BETWEEN GRANTSVILLE AND BITTINGER. BETWEEN 1.5 AND 4 INCHES OF  
RAIN HAVE FALLEN. THE EXPECTED RAINFALL RATE IS 0.25 TO 0.5 INCHES  
IN 1 HOUR. FLASH FLOODING IS ALREADY OCCURRING.  
 
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.  
 
SOURCE...EMERGENCY MANAGEMENT REPORTED.  
 
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, URBAN  
AREAS, HIGHWAYS, STREETS AND UNDERPASSES AS WELL AS  
OTHER POOR DRAINAGE AND LOW-LYING AREAS.  
 
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...  
BITTINGER... GRANTSVILLE...  
FRIENDSVILLE... ACCIDENT...  
JENNINGS... KEYSERS RIDGE...  
NEW GERMANY... MINERAL SPRING...  
MERRILL... SELBYSPORT...  
PINEY GROVE...  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE  
DANGERS OF FLOODING.  
 
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.  
 
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE  
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED  
ROADS. FIND AN ALTERNATE ROUTE.  
 
PLEASE REPORT OBSERVED FLOODING TO LOCAL EMERGENCY SERVICES OR LAW  
ENFORCEMENT AND REQUEST THEY PASS THIS INFORMATION TO THE NATIONAL  
WEATHER SERVICE WHEN YOU CAN DO SO SAFELY.  
 

 
 
LAT...LON 3957 7948 3972 7948 3972 7893 3958 7901  
 
FLASH FLOOD...OBSERVED  
EXPECTED RAINFALL RATE...0.25-0.5 INCHES IN 1 HOUR  
 

 
 
EST  
 
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