445  
WWUS85 KBYZ 210035  
SPSBYZ  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BILLINGS MT  
635 PM MDT WED MAY 20 2020  
 
MTZ031-032-210115-  
CUSTER MT-NORTHERN ROSEBUD MT-  
635 PM MDT WED MAY 20 2020  
   
..SIGNIFICANT WEATHER ADVISORY
 
 
AT 633 PM MDT, DOPPLER RADAR WAS TRACKING A LINE OF STRONG  
THUNDERSTORMS, EXTENDING FROM 7 MILES SOUTHWEST OF COLSTRIP TO 23  
MILES SOUTHEAST OF FORSYTH TO 20 MILES NORTHWEST OF VOLBORG.  
MOVEMENT WAS NORTH AT 40 MPH.  
 
DIME SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH ARE POSSIBLE WITH  
THESE STORMS. THIS STORM HAS A HISTORY OF PRODUCING WIND GUSTS OF 59  
MPH AT LAME DEER DIVIDE.  
 
LOCATIONS IMPACTED INCLUDE...  
MILES CITY, COLSTRIP, FORSYTH, ROSEBUD, HATHAWAY, GARLAND, MOON CREEK  
RANCH AND CARTERSVILLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THESE STORMS MAY INTENSIFY, SO BE CERTAIN TO MONITOR LOCAL RADIO  
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION  
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.  
 

 
 
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM MDT FOR  
SOUTHEASTERN MONTANA.  
 
LAT...LON 4637 10691 4659 10645 4657 10586 4582 10586  
4587 10643 4572 10682  
TIME...MOT...LOC 0033Z 179DEG 39KT 4583 10674 4597 10645 4595 10607  
 

 
 
GILSTAD  
 
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