556  
WUUS51 KBOX 192151  
SVRBOX  
MAC017-021-027-192230-  
/O.NEW.KBOX.SV.W.0011.260519T2151Z-260519T2230Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
551 PM EDT TUE MAY 19 2026  
 
THE NATIONAL WEATHER SERVICE IN BOSTON/NORTON HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
EAST CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...  
NORTH CENTRAL NORFOLK COUNTY IN EASTERN MASSACHUSETTS...  
SOUTHEASTERN MIDDLESEX COUNTY IN NORTHEASTERN MASSACHUSETTS...  
 
* UNTIL 630 PM EDT.  
 
* AT 550 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED OVER SOUTHBOROUGH,  
OR NEAR FRAMINGHAM, MOVING EAST AT 50 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE  
TO TREES AND POWER LINES.  
 
* LOCATIONS IMPACTED INCLUDE...  
NEWTON, FRAMINGHAM, WALTHAM, MEDFORD, ARLINGTON, MARLBOROUGH,  
WOBURN, NATICK, WATERTOWN, LEXINGTON, NEEDHAM, WELLESLEY, BELMONT,  
DEDHAM, WINCHESTER, HUDSON, WESTBOROUGH, CONCORD, SUDBURY, AND  
ASHLAND.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
 
 
LAT...LON 4247 7112 4235 7118 4226 7121 4224 7125  
4222 7163 4240 7167  
TIME...MOT...LOC 2150Z 263DEG 43KT 4233 7149  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
FT  
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