579  
WUUS53 KBIS 202315  
SVRBIS  
NDC007-025-053-210015-  
/O.NEW.KBIS.SV.W.0042.250620T2315Z-250621T0015Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BISMARCK ND  
515 PM MDT FRI JUN 20 2025  
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
WEST CENTRAL DUNN COUNTY IN SOUTHWESTERN NORTH DAKOTA...  
NORTHEASTERN BILLINGS COUNTY IN SOUTHWESTERN NORTH DAKOTA...  
SOUTH CENTRAL MCKENZIE COUNTY IN NORTHWESTERN NORTH DAKOTA...  
 
* UNTIL 615 PM MDT.  
 
* AT 515 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 9 MILES SOUTH OF  
GRASSY BUTTE, OR 36 MILES NORTHWEST OF DICKINSON, MOVING NORTHEAST  
AT 25 MPH.  
 
HAZARD...QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.  
 
* LOCATIONS IMPACTED INCLUDE...  
KILLDEER, GRASSY BUTTE, AND OAKDALE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 4718 10335 4730 10347 4759 10305 4749 10285  
4728 10269  
TIME...MOT...LOC 2315Z 236DEG 23KT 4727 10331  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...<50 MPH  
 

 
 
HEINERT  
 
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