915  
WUUS53 KMKX 181237  
SVRMKX  
WIC133-181315-  
/O.NEW.KMKX.SV.W.0024.250418T1237Z-250418T1315Z/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
737 AM CDT FRI APR 18 2025  
 
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
WAUKESHA COUNTY IN SOUTHEASTERN WISCONSIN...  
 
* UNTIL 815 AM CDT.  
 
* AT 737 AM CDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR PALMYRA, OR  
10 MILES SOUTHWEST OF WALES, MOVING EAST AT 65 MPH.  
 
THIS IS A DESTRUCTIVE STORM FOR PALMYRA, EAGLE, NORTH PRAIRIE AND  
NEW BERLIN.  
 
HAZARD...BASEBALL SIZE HAIL AND 60 MPH WIND GUSTS.  
 
SOURCE...TRAINED WEATHER SPOTTERS. AT 645 AM CDT, TRAINED WEATHER  
SPOTTERS REPORTED BASEBALL SIZE HAIL IN BROOKLYN.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE SEVERELY INJURED.  
EXPECT SHATTERED WINDOWS, EXTENSIVE DAMAGE TO ROOFS,  
SIDING, AND VEHICLES.  
 
* LOCATIONS IMPACTED INCLUDE...  
MUSKEGO, WATERVILLE, PEWAUKEE, WALES, ELM GROVE, DOUSMAN, SUMMIT,  
MUKWONAGO, GENESEE DEPOT, NORTH PRAIRIE, GENESEE, VERNON, BIG BEND,  
WAUKESHA, NEW BERLIN, OTTAWA, LAPHAM PEAK ST PARK, BROOKFIELD,  
DELAFIELD, AND EAGLE.  
 
OTHER LANDMARKS INCLUDED ARE THE FOLLOWING LOCATIONS PEWAUKEE LAKE,  
OTTAWA LAKE RECREATION AREA, AND PINEWOODS CAMPGROUND.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND  
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM  
WINDOWS.  
 
THIS IS A DANGEROUS STORM. PREPARE IMMEDIATELY FOR LARGE DESTRUCTIVE  
HAIL CAPABLE OF PRODUCING SIGNIFICANT DAMAGE. PEOPLE OUTSIDE SHOULD  
MOVE TO SHELTER INSIDE A STRONG BUILDING, AND STAY AWAY FROM WINDOWS.  
 

 
 
LAT...LON 4284 8854 4307 8854 4308 8807 4284 8807  
TIME...MOT...LOC 1237Z 262DEG 57KT 4292 8854  
 
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE  
HAIL THREAT...OBSERVED  
MAX HAIL SIZE...2.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
WOOD  
 
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