479  
WUUS51 KPHI 202059  
SVRPHI  
PAC029-202145-  
/O.NEW.KPHI.SV.W.0312.260820T2059Z-260820T2145Z/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ  
ISSUED BY NATIONAL WEATHER SERVICE NEW YORK NY  
459 PM EDT THU AUG 20 2026  
 
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
CHESTER COUNTY IN SOUTHEASTERN PENNSYLVANIA...  
 
* UNTIL 545 PM EDT.  
 
* AT 458 PM EDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR PARADISE, OR  
9 MILES EAST OF WILLOW STREET, MOVING EAST AT 35 MPH.  
 
THIS IS A DESTRUCTIVE STORM FOR CHESTER COUNTY.  
 
HAZARD...80 MPH WIND GUSTS.  
 
SOURCE...TRAINED WEATHER SPOTTERS.  
 
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT  
SHELTER. MOBILE HOMES WILL BE HEAVILY DAMAGED. EXPECT  
CONSIDERABLE DAMAGE TO ROOFS, WINDOWS, AND VEHICLES.  
EXTENSIVE TREE DAMAGE AND POWER OUTAGES ARE LIKELY.  
 
* LOCATIONS IMPACTED INCLUDE...  
WEST CHESTER, COATESVILLE, DOWNINGTOWN, KENNETT SQUARE, PARKESBURG,  
HONEY BROOK, ELVERSON, HOMEVILLE, COCHRANVILLE, GLENMOORE, CHESTER  
SPRINGS, PUGHTOWN, LIONVILLE, MARSHALLTON, AND LIONVILLE-MARCHWOOD.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR SOUTHEASTERN  
PENNSYLVANIA.  
 
REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY  
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE  
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
THIS IS AN EXTREMELY DANGEROUS SITUATION. THIS STORM IS PRODUCING  
WIDESPREAD WIND DAMAGE ACROSS LANCASTER COUNTY, PA. SEEK SHELTER NOW  
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS!  
 
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FOR SOUTHEASTERN  
PENNSYLVANIA.  
 

 
 
LAT...LON 3983 7602 3985 7602 3985 7601 3987 7600  
3987 7599 3993 7600 3993 7598 3995 7599  
4004 7594 4011 7594 4014 7587 4017 7582  
4019 7559 4002 7553 3984 7561 3982 7604  
TIME...MOT...LOC 2058Z 264DEG 32KT 3995 7609  
 
TORNADO...POSSIBLE  
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...OBSERVED  
MAX WIND GUST...80 MPH  
 

 
 
DESILVA  
 
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