483  
WWUS85 KRIW 112241  
SPSRIW  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RIVERTON WY  
441 PM MDT SAT APR 11 2026  
 
WYZ027-028-112315-  
SOUTH LINCOLN COUNTY-ROCK SPRINGS AND GREEN RIVER-  
441 PM MDT SAT APR 11 2026  
 
...STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN LINCOLN AND WEST  
CENTRAL SWEETWATER COUNTIES THROUGH 515 PM MDT...  
 
AT 441 PM MDT, DOPPLER RADAR WAS TRACKING A CLUSTER OF STRONG  
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR DIAMONDVILLE TO 12  
MILES SOUTH OF LITTLE AMERICA. MOVEMENT WAS NORTHEAST AT 55 MPH.  
 
HAZARD...WIND GUSTS OF 50 TO 55 MPH.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND  
UNSECURED OBJECTS.  
 
STRONG THUNDERSTORMS WILL BE NEAR...  
OPAL AROUND 445 PM MDT.  
GRANGER AND LITTLE AMERICA AROUND 450 PM MDT.  
 
THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 57 AND 70.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.  
 

 
 
LAT...LON 4180 11056 4182 11015 4153 10982 4143 10989  
4136 11005 4158 11005 4158 11069 4159 11073  
TIME...MOT...LOC 2241Z 240DEG 47KT 4175 11046 4137 10994  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...55 MPH  
 

 
 
VANDENBOOGART  
 
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