337  
WWUS53 KMKX 181754  
SVSMKX  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
1254 PM CDT MON AUG 18 2025  
 
WIC055-181815-  
/O.CON.KMKX.SV.W.0133.000000T0000Z-250818T1815Z/  
JEFFERSON WI-  
1254 PM CDT MON AUG 18 2025  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CDT  
FOR SOUTHEASTERN JEFFERSON COUNTY...  
 
AT 1253 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR JEFFERSON TO NEAR FORT ATKINSON, MOVING EAST AT  
30 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
LOCATIONS IMPACTED INCLUDE...  
WHITEWATER, FORT ATKINSON, JEFFERSON, JOHNSON CREEK, PALMYRA, LAKE  
KOSHKONONG, ROME, HEBRON, SULLIVAN, HELENVILLE, AND NWS  
MILWAUKEE/SULLIVAN.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
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.  
 

 
 
LAT...LON 4285 8892 4307 8879 4310 8854 4284 8855  
4284 8869  
TIME...MOT...LOC 1753Z 270DEG 27KT 4302 8876 4289 8877  
 
TORNADO...POSSIBLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
CMILLER  
 
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