691  
WWUS85 KBYZ 180533  
SPSBYZ  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE BILLINGS MT  
1133 PM MDT FRI AUG 17 2018  
 
MTZ029>031-035-038-057-180630-  
YELLOWSTONE MT-NORTHERN ROSEBUD MT-TREASURE MT-MUSSELSHELL MT-  
NORTHERN BIG HORN MT-SOUTHERN BIG HORN MT-  
1133 PM MDT FRI AUG 17 2018  
   
..SIGNIFICANT WEATHER ADVISORY
 
 
AT 1131 PM MDT, DOPPLER RADAR WAS TRACKING OUTFLOW WINDS ALONG A  
LINE EXTENDING FROM 9 MILES EAST OF GRASS RANGE TO 8 MILES WEST OF  
MELSTONE TO 8 MILES WEST OF CUSTER TO 8 MILES SOUTHWEST OF CROW  
AGENCY. MOVEMENT WAS NORTHEAST AT 35 MPH.  
 
WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS OUTFLOW.  
 
LOCATIONS IMPACTED INCLUDE...  
HARDIN, HYSHAM, CUSTER, MELSTONE, BUSBY, CROW AGENCY, MUSSELSHELL,  
POMPEYS PILLAR, BIGHORN, INGOMAR, ST. XAVIER, VANANDA, NORTHERN  
CHEYENNE INDIAN RESERVATION AND CROW INDIAN RESERVATION.  
 
LAT...LON 4686 10705 4541 10673 4529 10777 4675 10846  
4676 10783 4678 10785 4679 10784 4685 10789  
TIME...MOT...LOC 0531Z 237DEG 29KT 4699 10861 4662 10804 4616 10771  
4549 10753  
 

 
 
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