974  
WUUS55 KMSO 292355  
SVRMSO  
IDC049-300030-  
/O.NEW.KMSO.SV.W.0013.230829T2355Z-230830T0030Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE MISSOULA MT  
455 PM PDT TUE AUG 29 2023  
 
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
WEST CENTRAL IDAHO COUNTY IN CENTRAL IDAHO...  
 
* UNTIL 530 PM PDT.  
 
* AT 454 PM PDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR GRANGEVILLE,  
MOVING NORTH AT 25 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...  
GRANGEVILLE, KOOSKIA, STITES, HARPSTER, AND WINONA.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 4616 11621 4615 11620 4616 11619 4621 11596  
4585 11587 4580 11609 4613 11633  
TIME...MOT...LOC 2354Z 163DEG 23KT 4590 11603  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
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