089  
WWUS85 KRIW 162059  
SPSRIW  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RIVERTON WY  
259 PM MDT MON JUN 16 2025  
 
WYZ005-006-162130-  
SOUTHEAST BIGHORN BASIN-SOUTHWEST BIGHORN BASIN-  
259 PM MDT MON JUN 16 2025  
 
...A STRONG THUNDERSTORM WILL IMPACT CENTRAL HOT SPRINGS AND  
NORTHWESTERN WASHAKIE COUNTIES THROUGH 330 PM MDT...  
 
AT 259 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9  
MILES WEST OF KIRBY, WHICH IS 14 MILES NORTHWEST OF THERMOPOLIS,  
MOVING EAST AT 35 MPH.  
 
HAZARD...WIND GUSTS UP TO 50 MPH AND HALF INCH 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 STRONG THUNDERSTORM WILL BE NEAR...  
WINCHESTER AROUND 310 PM MDT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.  
 
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.  
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE  
SHELTER INSIDE A BUILDING OR VEHICLE.  
 
THIS STORM MAY INTENSIFY, SO BE CERTAIN TO MONITOR LOCAL RADIO  
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION  
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.  
 

 
 
LAT...LON 4369 10848 4387 10857 4407 10810 4375 10789  
TIME...MOT...LOC 2059Z 248DEG 29KT 4383 10837  
 
MAX HAIL SIZE...0.50 IN  
MAX WIND GUST...50 MPH  
 

 
 
DZIEWALTOWSKI  
 
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