998  
WWUS85 KBYZ 172257  
SPSBYZ  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BILLINGS MT  
357 PM MST MON FEB 17 2020  
 
MTZ029>031-173-172330-  
NORTHERN ROSEBUD-TREASURE-MUSSELSHELL-NORTHEASTERN YELLOWSTONE-  
357 PM MST MON FEB 17 2020  
   
..A SNOW SQUALL WILL AFFECT SOUTHEASTERN MUSSELSHELL
 
NORTHEASTERN  
YELLOWSTONE...NORTHERN ROSEBUD AND NORTHWESTERN TREASURE COUNTIES...  
 
AT 354 PM MST, A SNOW SQUALL WAS LOCATED 17 MILES NORTHWEST OF  
CUSTER, OR 24 MILES WEST OF HYSHAM, MOVING SOUTHEAST AT 20 MPH.  
 
WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THIS SQUALL ALONG WITH  
BRIEF HEAVY SNOW AND POOR VISIBILITY. LIGHTNING HAS ALSO BEEN  
OBSERVED WITH THIS SYSTEM, SO SEEK SHELTER AS THIS SYSTEM  
APPROACHES.  
 
LOCATIONS IMPACTED INCLUDE...  
CUSTER.  
 
CONDITIONS CAN DETERIORATE RAPIDLY IN WINTER WEATHER SITUATIONS. BE  
PREPARED FOR SNOW OR SLUSH COVERED ROADS. SLOW DOWN AND ALLOW EXTRA  
TIME WHEN TRAVELING.  
 
LAT...LON 4626 10806 4651 10770 4650 10722 4605 10754  
TIME...MOT...LOC 2254Z 298DEG 13KT 4635 10773  
 

 
 
CHAMBERS  
 
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