994  
WWUS85 KRIW 232259  
SPSRIW  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RIVERTON WY  
459 PM MDT THU APR 23 2026  
 
WYZ001-012-232330-  
YELLOWSTONE NATIONAL PARK-TETON AND GROS VENTRE MOUNTAINS-  
459 PM MDT THU APR 23 2026  
 
...THUNDERSTORMS WILL IMPACT WEST CENTRAL TETON COUNTY THROUGH 530  
PM MDT...  
 
AT 458 PM MDT, DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG  
A LINE EXTENDING FROM 17 MILES NORTHEAST OF DRUMMOND TO NEAR CHESTER.  
MOVEMENT WAS EAST AT 25 MPH.  
 
HAZARD...WIND GUSTS UP TO 40 MPH AND PEA SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD BLOW AROUND UNSECURED OBJECTS. MINOR HAIL  
DAMAGE TO VEGETATION IS POSSIBLE.  
 
THESE STORMS WILL REMAIN OVER MAINLY RURAL AREAS OF WEST CENTRAL  
TETON COUNTY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.  
 

 
 
LAT...LON 4419 11105 4420 11102 4430 11038 4398 11105  
TIME...MOT...LOC 2258Z 261DEG 24KT 4417 11109 4395 11156  
 
MAX HAIL SIZE...0.25 IN  
MAX WIND GUST...40 MPH  
 

 
 
TL  
 
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