091  
WWUS53 KABR 220140  
SVSABR  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE ABERDEEN SD  
840 PM CDT THU AUG 21 2025  
 
MNC011-SDC051-109-220200-  
/O.CON.KABR.SV.W.0251.000000T0000Z-250822T0200Z/  
BIG STONE MN-ROBERTS SD-GRANT SD-  
840 PM CDT THU AUG 21 2025  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT  
FOR SOUTHEASTERN BIG STONE...SOUTHEASTERN ROBERTS AND EASTERN GRANT  
COUNTIES...  
 
AT 839 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM APPLETON TO NEAR MARIETTA TO NEAR SOUTH SHORE, MOVING  
SOUTH AT 20 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.  
 
LOCATIONS IMPACTED INCLUDE...  
MILBANK, ORTONVILLE, BIG STONE CITY, ODESSA, STOCKHOLM, ARTICHOKE,  
TWIN BROOKS, TROY, CORRELL, ARTICHOKE LAKE, LAGOONA BEACH, AND BIG  
STONE LAKE.  
 
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.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4520 9619 4522 9622 4522 9627 4525 9629  
4527 9645 4507 9645 4504 9687 4514 9688  
4515 9690 4524 9693 4540 9646 4541 9624  
4541 9612 4524 9612 4524 9611 4518 9610  
TIME...MOT...LOC 0139Z 354DEG 16KT 4518 9600 4508 9639 4512 9689  
 
TORNADO...POSSIBLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
BC  
 
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