855  
WUUS53 KBIS 122315  
SVRBIS  
NDC037-130000-  
/O.NEW.KBIS.SV.W.0273.250912T2315Z-250913T0000Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BISMARCK ND  
515 PM MDT FRI SEP 12 2025  
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHEASTERN GRANT COUNTY IN SOUTH CENTRAL NORTH DAKOTA...  
 
* UNTIL 600 PM MDT.  
 
* AT 515 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 13 MILES WEST OF  
SHIELDS, OR 34 MILES NORTHWEST OF BULLHEAD, MOVING NORTH AT 10 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.  
 
* LOCATIONS IMPACTED INCLUDE...  
ST. GERTRUDE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4606 10147 4606 10148 4620 10169 4638 10139  
4621 10117 4605 10147  
TIME...MOT...LOC 2315Z 191DEG 7KT 4622 10141  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.25 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
ADAM  
 
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