253  
WWUS51 KBOX 132110  
SVSBOX  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
510 PM EDT WED AUG 13 2025  
 
MAC027-132117-  
/O.CAN.KBOX.SV.W.0056.000000T0000Z-250813T2130Z/  
WORCESTER MA-  
510 PM EDT WED AUG 13 2025  
 
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WORCESTER COUNTY  
IS CANCELLED...  
 
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF  
THE WARNED AREA. THEREFORE, THE WARNING HAS BEEN CANCELLED.  
 
LAT...LON 4260 7116 4257 7153 4270 7165 4270 7129  
4274 7124 4274 7123  
TIME...MOT...LOC 2107Z 246DEG 11KT 4268 7142  
 

 
 
MAC009-017-132130-  
/O.CON.KBOX.SV.W.0056.000000T0000Z-250813T2130Z/  
ESSEX MA-MIDDLESEX MA-  
510 PM EDT WED AUG 13 2025  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT  
FOR WEST CENTRAL ESSEX AND NORTHEASTERN MIDDLESEX COUNTIES...  
 
AT 507 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED OVER TYNGSBOROUGH,  
OR NEAR LOWELL, MOVING NORTHEAST AT 15 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.  
 
SOURCE...DOPPLER RADAR AND THE FIRE DEPARTMENT. AT 445 PM, THE FIRE  
DEPARTMENT IN PEPPERELL REPORTED MULTIPLE DOWNED TREES AND  
POWERLINES IN PEPPERELL.  
 
IMPACT...EXPECT DAMAGE TO TREES AND POWER LINES.  
 
LOCATIONS IMPACTED INCLUDE...  
LOWELL, METHUEN, BILLERICA, CHELMSFORD, ANDOVER, DRACUT, TEWKSBURY,  
WESTFORD, PEPPERELL, TYNGSBOROUGH, GROTON, LITTLETON, AND DUNSTABLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.  
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING  
KILLERS. REMEMBER, IF YOU CAN HEAR THUNDER, YOU ARE CLOSE ENOUGH TO  
BE STRUCK BY LIGHTNING.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4260 7116 4257 7153 4270 7165 4270 7129  
4274 7124 4274 7123  
TIME...MOT...LOC 2107Z 246DEG 11KT 4268 7142  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...0.75 IN  
WIND THREAT...OBSERVED  
MAX WIND GUST...60 MPH  
 

 
 
LOCONTO  
 
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