797  
WUUS53 KBIS 120529  
SVRBIS  
NDC049-069-120630-  
/O.NEW.KBIS.SV.W.0269.250912T0529Z-250912T0630Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BISMARCK ND  
1229 AM CDT FRI SEP 12 2025  
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
PIERCE COUNTY IN NORTH CENTRAL NORTH DAKOTA...  
EAST CENTRAL MCHENRY COUNTY IN NORTH CENTRAL NORTH DAKOTA...  
 
* UNTIL 130 AM CDT.  
 
* AT 1228 AM CDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR RUGBY,  
MOVING NORTHEAST AT 20 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.  
 
* LOCATIONS IMPACTED INCLUDE...  
RUGBY, BALTA, WOLFORD, BERWICK, AND SILVA.  
 
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 4837 9950 4837 9985 4812 9985 4812 10042  
4827 10052 4855 9993 4854 9949  
TIME...MOT...LOC 0528Z 240DEG 19KT 4831 9994  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.50 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
ADAM  
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