402  
WWUS85 KRIW 151837  
SPSRIW  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1237 PM MDT MON SEP 15 2025  
 
WYZ025-026-151900-  
UPPER GREEN RIVER BASIN-UPPER GREEN RIVER BASIN FOOTHILLS-  
1237 PM MDT MON SEP 15 2025  
 
...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN SUBLETTE COUNTY  
THROUGH 100 PM MDT...  
 
AT 1236 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9  
MILES NORTH OF MARBLETON, WHICH IS 10 MILES NORTH OF BIG PINEY,  
MOVING EAST AT 25 MPH.  
 
HAZARD...WIND GUSTS UP TO 50 MPH AND PEA SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND  
UNSECURED OBJECTS. MINOR HAIL DAMAGE TO VEGETATION IS  
POSSIBLE.  
 
THIS STORM WILL REMAIN OVER MAINLY RURAL AREAS OF SOUTHWESTERN  
SUBLETTE COUNTY, INCLUDING THE FOLLOWING LOCATIONS... SUBLETTE COUNTY  
FAIRGROUNDS AND BIG PINEY MARBLETON AIRPORT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.  
 

 
 
LAT...LON 4270 11027 4272 11025 4275 11025 4289 10990  
4253 10978 4260 11027 4270 11030  
TIME...MOT...LOC 1836Z 261DEG 20KT 4269 11014  
 
MAX HAIL SIZE...0.25 IN  
MAX WIND GUST...50 MPH  
 

 
 
HENSLEY  
 
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