071  
WUUS55 KTFX 202153  
SVRTFX  
MTC001-202230-  
/O.NEW.KTFX.SV.W.0051.180820T2153Z-180820T2230Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
353 PM MDT MON AUG 20 2018  
 
THE NATIONAL WEATHER SERVICE IN GREAT FALLS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
CENTRAL BEAVERHEAD COUNTY IN SOUTHWESTERN MONTANA...  
 
* UNTIL 430 PM MDT.  
 
* AT 351 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 18 MILES NORTHWEST  
OF LIMA, OR 27 MILES SOUTH OF DILLON, MOVING EAST AT 35 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
CLARK CANYON, BEAVERHEAD ROCK STATE PARK, AND PORTIONS OF  
INTERSTATE 15 BETWEEN MILE MARKERS 28 AND 55.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 4498 11310 4523 11251 4517 11245 4509 11246  
4509 11239 4503 11233 4500 11234 4499 11230  
4481 11214 4474 11292  
TIME...MOT...LOC 2151Z 258DEG 31KT 4485 11284  
 
HAIL...0.75IN  
WIND...60MPH  
 

 
 
NJL  
 
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