912  
WWUS20 KWNS 291827  
SEL7  
SPC WW 291827  
WIZ000-LMZ000-300200-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WATCH NUMBER 477  
NWS STORM PREDICTION CENTER NORMAN OK  
130 PM CDT SUN JUN 29 2025  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF  
CENTRAL AND SOUTHERN WISCONSIN  
LAKE MICHIGAN  
 
* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 130 PM UNTIL  
900 PM CDT.  
 
* PRIMARY THREATS INCLUDE...  
SCATTERED DAMAGING WIND GUSTS TO 65 MPH POSSIBLE  
ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE  
 
SUMMARY...THUNDERSTORMS ARE INTENSIFYING ALONG A WEAK COLD FRONT  
ACROSS WISCONSIN. THESE STORMS WILL SPREAD NORTHEASTWARD ACROSS THE  
WATCH AREA THROUGH THE AFTERNOON, POSING A RISK OF LOCALLY DAMAGING  
WIND GUSTS AND PERHAPS HAIL.  
 
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60  
STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES SOUTHWEST OF  
LONEROCK WI TO 60 MILES NORTH NORTHEAST OF GREEN BAY WI. FOR A  
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE  
UPDATE (WOUS64 KWNS WOU7).  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE  
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.  
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING  
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE  
WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE  
TORNADOES.  
 

 
 
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO  
1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55 KNOTS. A FEW  
CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR  
24025.  
 
...HART  
 
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