160  
WUUS53 KFSD 210044  
SVRFSD  
SDC083-087-099-125-210130-  
/O.NEW.KFSD.SV.W.0242.260821T0044Z-260821T0130Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
744 PM CDT THU AUG 20 2026  
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHWESTERN MINNEHAHA COUNTY IN SOUTHEASTERN SOUTH DAKOTA...  
NORTHWESTERN LINCOLN COUNTY IN SOUTHEASTERN SOUTH DAKOTA...  
SOUTHEASTERN MCCOOK COUNTY IN SOUTHEASTERN SOUTH DAKOTA...  
NORTHERN TURNER COUNTY IN SOUTHEASTERN SOUTH DAKOTA...  
 
* UNTIL 830 PM CDT.  
 
* AT 743 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR CHANCELLOR,  
OR 7 MILES NORTHEAST OF PARKER, MOVING SOUTHEAST AT 25 MPH.  
 
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL  
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT  
WIND DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* THIS SEVERE THUNDERSTORM WILL BE NEAR...  
TEA, LENNOX, AND CHANCELLOR AROUND 750 PM CDT.  
WORTHING AROUND 755 PM CDT.  
HARRISBURG AROUND 800 PM CDT.  
 
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 4339 9732 4359 9720 4344 9667 4322 9681  
TIME...MOT...LOC 0043Z 292DEG 23KT 4344 9701  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.50 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
IG  
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