200  
WUUS55 KRIW 102244  
SVRRIW  
WYC013-102330-  
/O.NEW.KRIW.SV.W.0120.230910T2244Z-230910T2330Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE RIVERTON WY  
444 PM MDT SUN SEP 10 2023  
 
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTH CENTRAL FREMONT COUNTY IN CENTRAL WYOMING...  
 
* UNTIL 530 PM MDT.  
 
* AT 444 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR SINKS CANYON  
STATE PARK, WHICH IS ALSO 7 MILES SOUTH OF LANDER, MOVING SOUTHEAST  
AT 25 MPH.  
 
HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL  
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT  
WIND DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* THIS SEVERE THUNDERSTORM WILL BE NEAR...  
RED CANYON AROUND 500 PM MDT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4274 10884 4279 10876 4260 10834 4247 10861  
TIME...MOT...LOC 2244Z 316DEG 22KT 4273 10876  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.50 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
WITTMANN  
 
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