132  
WUUS51 KLWX 210005  
SVRLWX  
DCC001-MDC031-033-VAC013-059-610-210045-  
/O.NEW.KLWX.SV.W.0040.170421T0005Z-170421T0045Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
805 PM EDT THU APR 20 2017  
 
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
THE DISTRICT OF COLUMBIA...  
SOUTHEASTERN MONTGOMERY COUNTY IN CENTRAL MARYLAND...  
NORTHERN PRINCE GEORGES COUNTY IN CENTRAL MARYLAND...  
ARLINGTON COUNTY IN NORTHERN VIRGINIA...  
THE CITY OF FALLS CHURCH IN NORTHERN VIRGINIA...  
NORTHEASTERN FAIRFAX COUNTY IN NORTHERN VIRGINIA...  
 
* UNTIL 845 PM EDT  
 
* AT 804 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED OVER AMERICAN  
UNIVERSITY, OR NEAR ROSSLYN, 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...  
ARLINGTON, BETHESDA, BOWIE, COLLEGE PARK, GREENBELT, LANGLEY PARK,  
BELTSVILLE, FORESTVILLE, FALLS CHURCH, LARGO, CORAL HILLS,  
BLADENSBURG, PIMMIT HILLS, MCLEAN, BYRD STADIUM, FEDEX FIELD, FORT  
TOTTEN, ROSSLYN, NATIONALS PARK AND HOWARD UNIVERSITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
GET INDOORS TO PROTECT YOURSELF FROM WIND AND LIGHTNING. TREES AROUND  
YOU MAY BE DOWNED FROM DAMAGING WINDS, SO IF YOU ARE NEAR LARGE  
TREES, MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. DON'T DRIVE  
UNDERNEATH TREES OR IN WOODED AREAS UNTIL THE THREAT HAS PASSED.  
 

 
 
LAT...LON 3887 7720 3902 7718 3910 7688 3900 7674  
3886 7678  
TIME...MOT...LOC 0004Z 250DEG 24KT 3894 7709  
 
HAIL...<.75IN  
WIND...60MPH  
 

 
 
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