132  
WUUS55 KBYZ 280042  
SVRBYZ  
MTC003-087-280145-  
/O.NEW.KBYZ.SV.W.0005.250428T0042Z-250428T0145Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BILLINGS MT  
642 PM MDT SUN APR 27 2025  
 
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
CENTRAL BIG HORN COUNTY IN SOUTH CENTRAL MONTANA...  
SOUTH CENTRAL ROSEBUD COUNTY IN SOUTHEASTERN MONTANA...  
 
* UNTIL 745 PM MDT.  
 
* AT 642 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 10 MILES SOUTH OF  
BUSBY, WITH ANOTHER SEVERE THUNDERSTORM LOCATED NEAR LODGE GRASS,  
MOVING NORTHEAST AT 15 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...  
LODGE GRASS, BUSBY, CROW AGENCY, LAME DEER, MUDDY CLUSTER,  
NORTHERN CHEYENNE INDIAN RESERVATION AND CROW INDIAN RESERVATION.  
 
I-90 FROM LODGE GRASS TO CROW AGENCY WILL BE IMPACTED.  
 
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 4530 10701 4531 10738 4533 10760 4569 10755  
4565 10654 4535 10668  
TIME...MOT...LOC 0041Z 228DEG 13KT 4538 10697  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.25 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
MATOS  
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