542  
WUUS51 KLWX 040313  
SVRLWX  
MDC031-VAC059-107-040400-  
/O.NEW.KLWX.SV.W.0497.260904T0313Z-260904T0400Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1113 PM EDT THU SEP 3 2026  
 
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHWESTERN MONTGOMERY COUNTY IN CENTRAL MARYLAND...  
SOUTHEASTERN LOUDOUN COUNTY IN NORTHERN VIRGINIA...  
NORTHERN FAIRFAX COUNTY IN NORTHERN VIRGINIA...  
 
* UNTIL MIDNIGHT EDT.  
 
* AT 1113 PM EDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR LEESBURG TO ARCOLA, MOVING EAST AT 30 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...DAMAGING WINDS WILL CAUSE SOME TREES AND LARGE BRANCHES  
TO FALL. THIS COULD INJURE THOSE OUTDOORS, AS WELL AS  
DAMAGE HOMES AND VEHICLES. ROADWAYS MAY BECOME BLOCKED BY  
DOWNED TREES. LOCALIZED POWER OUTAGES ARE POSSIBLE.  
UNSECURED LIGHT OBJECTS MAY BECOME PROJECTILES.  
 
* LOCATIONS IMPACTED INCLUDE...  
GERMANTOWN, ROCKVILLE, BETHESDA, GAITHERSBURG, RESTON, LEESBURG,  
SOUTH RIDING, HERNDON, BROADLANDS, LANSDOWNE, LOWES ISLAND,  
BRAMBLETON, POOLESVILLE, AMERICAN LEGION BRIDGE, MCLEAN, DULLES  
INTERNATIONAL AIRPORT, ASPEN HILL, POTOMAC, NORTH BETHESDA, AND  
ASHBURN.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 3918 7711 3893 7712 3892 7760 3915 7757  
TIME...MOT...LOC 0313Z 272DEG 26KT 3913 7751 3895 7750  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
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