599  
WUUS55 KBYZ 010238  
SVRBYZ  
MTC075-010345-  
/O.NEW.KBYZ.SV.W.0240.250801T0238Z-250801T0345Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BILLINGS MT  
838 PM MDT THU JUL 31 2025  
 
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHWESTERN POWDER RIVER COUNTY IN SOUTHEASTERN MONTANA...  
 
* UNTIL 945 PM MDT.  
 
* AT 838 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 29 MILES  
SOUTHEAST OF ASHLAND, OR 31 MILES SOUTHWEST OF BROADUS, MOVING  
NORTHEAST AT 15 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...  
SONNETTE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE AND STAY AWAY FROM  
WINDOWS. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE  
HAIL.  
 
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD  
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED  
ROADWAYS.  
 

 
 
LAT...LON 4510 10579 4522 10618 4558 10606 4544 10555  
TIME...MOT...LOC 0237Z 218DEG 13KT 4526 10599  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
PALMQUIST  
 
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