936  
WWUS85 KBYZ 140007  
SPSBYZ  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BILLINGS MT  
607 PM MDT WED MAY 13 2026  
 
MTZ029>031-173-140100-  
TREASURE MT-NORTHERN ROSEBUD MT-NORTHEASTERN YELLOWSTONE MT-  
MUSSELSHELL MT-  
607 PM MDT WED MAY 13 2026  
 
...A LINE OF SHOWERS AND THUNDERSTORMS WILL IMPACT NORTHEASTERN  
MUSSELSHELL...NORTHWESTERN TREASURE...NORTHEASTERN YELLOWSTONE AND  
NORTHERN ROSEBUD COUNTIES UNTIL 7 PM MDT...  
 
AT 607 PM MDT, DOPPLER RADAR WAS TRACKING A LINE OF SHOWERS AND  
THUNDERSTORMS EXTENDING FROM 14 MILES NORTHWEST OF MELSTONE TO 19  
MILES NORTH OF CUSTER, MOVING NORTHEAST AT 50 MPH.  
 
HAZARD...WIND GUSTS OF 45 TO 55 MPH.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND  
UNSECURED OBJECTS.  
 
LOCATIONS IMPACTED INCLUDE...  
MELSTONE, MUSSELSHELL AND INGOMAR.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING  
WEATHER CONDITIONS.  
 
 
 
LAT...LON 4640 10804 4661 10833 4675 10821 4676 10783  
4678 10785 4682 10785 4685 10789 4685 10653  
4626 10767  
TIME...MOT...LOC 0005Z 216DEG 44KT 4672 10812 4655 10771 4641 10752  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...50 TO 55 MPH  
 
 
 
ARENDS  
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