836  
WUUS53 KFSD 220041  
SVRFSD  
IAC059-143-MNC063-105-220130-  
/O.NEW.KFSD.SV.W.0326.250922T0041Z-250922T0130Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
741 PM CDT SUN SEP 21 2025  
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHEASTERN OSCEOLA COUNTY IN NORTHWESTERN IOWA...  
NORTHWESTERN DICKINSON COUNTY IN NORTHWESTERN IOWA...  
SOUTHWESTERN JACKSON COUNTY IN SOUTHWESTERN MINNESOTA...  
SOUTHEASTERN NOBLES COUNTY IN SOUTHWESTERN MINNESOTA...  
 
* UNTIL 830 PM CDT.  
 
* AT 739 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM NEAR ROUND LAKE TO NEAR SIBLEY, MOVING EAST AT 20  
MPH.  
 
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE  
TO ROOFS, SIDING, AND TREES.  
 
* SEVERE THUNDERSTORMS WILL BE NEAR...  
ROUND LAKE AROUND 745 PM CDT.  
OCHEYEDAN AROUND 755 PM CDT.  
 
OTHER LOCATIONS IN THE PATH OF THESE SEVERE THUNDERSTORMS INCLUDE  
LAKE PARK.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
TO REPORT SEVERE WEATHER, CONTACT YOUR NEAREST LAW ENFORCEMENT  
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE  
OFFICE IN SIOUX FALLS.  
 

 
 
LAT...LON 4360 9512 4331 9548 4343 9575 4365 9550  
TIME...MOT...LOC 0039Z 283DEG 17KT 4354 9554 4346 9566  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.25 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
SAMET  
 
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