642  
WUUS55 KBYZ 160139  
SVRBYZ  
MTC003-WYC033-160230-  
/O.NEW.KBYZ.SV.W.0073.250616T0139Z-250616T0230Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE BILLINGS MT  
739 PM MDT SUN JUN 15 2025  
 
THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTH CENTRAL BIG HORN COUNTY IN SOUTH CENTRAL MONTANA...  
NORTH CENTRAL SHERIDAN COUNTY IN NORTH CENTRAL WYOMING...  
 
* UNTIL 830 PM MDT.  
 
* AT 739 PM MDT, A LINE OF SEVERE THUNDERSTORMS WAS LOCATED 12 MILES  
SOUTH OF LODGE GRASS, OR 34 MILES NORTHWEST OF SHERIDAN, MOVING  
EAST AT 30 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. MOTORISTS ON I-90  
SOUTH OF LODGE GRASS SHOULD BE ALERT FOR SUDDEN CROSS  
WINDS.  
 
* LOCATIONS IMPACTED INCLUDE...  
LODGE GRASS, WYOLA, ROSEBUD BATTLEFIELD PARK, PARKMAN, KIRBY, CROW  
INDIAN RESERVATION AND NORTHERN CHEYENNE INDIAN RESERVATION.  
 
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.  
 
WIND DAMAGE WITH THIS STORM WILL OCCUR BEFORE ANY RAIN OR LIGHTNING.  
DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER. SEEK  
SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM  
WINDOWS.  
 
 
 
LAT...LON 4500 10760 4537 10769 4548 10694 4488 10676  
4494 10748 4496 10759  
TIME...MOT...LOC 0138Z 260DEG 31KT 4515 10743  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 
 
 
TESAR  
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