796  
WUUS55 KBYZ 160349  
SVRBYZ  
MTC017-075-160415-  
/O.NEW.KBYZ.SV.W.0089.250616T0349Z-250616T0415Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BILLINGS MT  
949 PM MDT SUN JUN 15 2025  
 
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHEASTERN CUSTER COUNTY IN SOUTHEASTERN MONTANA...  
NORTHEASTERN POWDER RIVER COUNTY IN SOUTHEASTERN MONTANA...  
 
* UNTIL 1015 PM MDT.  
 
* AT 949 PM MDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE FROM  
24 MILES NORTH OF BROADUS TO 12 MILES SOUTHWEST OF BROADUS, MOVING  
SOUTHEAST AT 35 MPH.  
 
HAZARD...70 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT  
CONSIDERABLE TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY  
TO MOBILE HOMES, ROOFS, AND OUTBUILDINGS.  
 
* LOCATIONS IMPACTED INCLUDE...  
BROADUS AND POWDERVILLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
ANYONE OUTDOORS SHOULD MOVE TO SHELTER INSIDE A WELL-BUILT STRUCTURE  
AND STAY AWAY FROM WINDOWS. THESE STORMS ARE CAPABLE OF PRODUCING  
WIDESPREAD DAMAGING WINDS AND LARGE HAIL.  
 
CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.  
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER, IF YOU CAN  
HEAR THUNDER, YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.  
 

 
 
LAT...LON 4524 10575 4555 10550 4595 10533 4602 10496  
4537 10503 4518 10532  
TIME...MOT...LOC 0349Z 292DEG 30KT 4577 10524 4551 10536 4529 10553  
 
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE  
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.25 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...70 MPH  
 

 
 
TESAR  
 
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