515  
WUUS55 KRIW 122233  
SVRRIW  
WYC019-122300-  
/O.NEW.KRIW.SV.W.0106.250912T2233Z-250912T2300Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE RIVERTON WY  
433 PM MDT FRI SEP 12 2025  
 
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
CENTRAL JOHNSON COUNTY IN NORTH CENTRAL WYOMING...  
 
* UNTIL 500 PM MDT.  
 
* AT 433 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 14 MILES SOUTH OF  
BUFFALO, MOVING NORTHEAST AT 20 MPH.  
 
HAZARD...QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.  
 
* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF  
CENTRAL JOHNSON COUNTY.  
 
THIS INCLUDES INTERSTATE 25 BETWEEN MILE MARKERS 283 AND 294.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
 
 
LAT...LON 4408 10675 4415 10684 4431 10674 4417 10645  
TIME...MOT...LOC 2233Z 225DEG 18KT 4414 10675  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...<50 MPH  
 
 
 
GERHARDT  
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