776  
WWUS85 KRIW 162126  
SPSRIW  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RIVERTON WY  
326 PM MDT MON JUN 16 2025  
 
WYZ005-006-162200-  
SOUTHEAST BIGHORN BASIN-SOUTHWEST BIGHORN BASIN-  
326 PM MDT MON JUN 16 2025  
 
...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL HOT SPRINGS AND  
WEST CENTRAL WASHAKIE COUNTIES THROUGH 400 PM MDT...  
 
AT 326 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER  
KIRBY, WHICH IS 9 MILES NORTH OF THERMOPOLIS, MOVING EAST AT 30 MPH.  
 
HAZARD...WIND GUSTS UP TO 50 MPH AND PENNY 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 STRONG THUNDERSTORM WILL BE NEAR...  
LUCERNE AND KIRBY AROUND 330 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 4373 10833 4389 10832 4392 10792 4365 10790  
TIME...MOT...LOC 2126Z 268DEG 24KT 4378 10822  
 
MAX HAIL SIZE...0.75 IN  
MAX WIND GUST...50 MPH  
 
 
 
DZIEWALTOWSKI  
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