547  
WUUS53 KFSD 222331  
SVRFSD  
IAC035-041-141-230015-  
/O.NEW.KFSD.SV.W.0331.250922T2331Z-250923T0015Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
ISSUED BY NATIONAL WEATHER SERVICE ABERDEEN SD  
631 PM CDT MON SEP 22 2025  
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHEASTERN CHEROKEE COUNTY IN NORTHWESTERN IOWA...  
SOUTHWESTERN CLAY COUNTY IN NORTHWESTERN IOWA...  
SOUTHEASTERN O'BRIEN COUNTY IN NORTHWESTERN IOWA...  
 
* UNTIL 715 PM CDT.  
 
* AT 630 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR SUTHERLAND,  
OR 18 MILES SOUTHWEST OF SPENCER IN CLAY COUNTY, MOVING SOUTHEAST  
AT 10 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE  
TO ROOFS, SIDING, AND TREES.  
 
* THIS SEVERE THUNDERSTORM WILL BE NEAR...  
SUTHERLAND AROUND 635 PM CDT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 4291 9534 4291 9539 4287 9539 4283 9545  
4301 9562 4312 9551 4302 9518  
TIME...MOT...LOC 2330Z 303DEG 10KT 4302 9548  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
06  
 
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