996  
WUUS55 KRIW 102200  
SVRRIW  
WYC025-102245-  
/O.NEW.KRIW.SV.W.0118.230910T2200Z-230910T2245Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE RIVERTON WY  
400 PM MDT SUN SEP 10 2023  
 
THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHEASTERN NATRONA COUNTY IN CENTRAL WYOMING...  
 
* UNTIL 445 PM MDT.  
 
* AT 358 PM MDT, A LINE OF SEVERE THUNDERSTORMS WAS LOCATED OVER  
HOMA HILLS, WHICH IS ALSO 11 MILES NORTH OF CASPER, MOVING  
SOUTHEAST AT 30 MPH.  
 
HAZARD...QUARTER SIZE HAIL.  
 
SOURCE...PUBLIC. THERE HAVE BEEN SEVERAL REPORTS OF ONE INCH HAIL  
WITH THESE STORMS.  
 
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.  
 
* THIS SEVERE THUNDERSTORM WILL BE NEAR...  
BAR NUNN AROUND 410 PM MDT.  
CASPER AROUND 415 PM MDT.  
 
OTHER LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM INCLUDE  
MILLS, EVANSVILLE, PARADISE VALLEY AND BEARTRAP MEADOWS COUNTY PARK.  
 
THIS INCLUDES INTERSTATE 25 BETWEEN MILE MARKERS 176 AND 205.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
VERY HEAVY RAINFALL IS OCCURRING WITH THIS STORM, AND MAY LEAD TO  
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.  
 

 
 
LAT...LON 4266 10608 4258 10634 4308 10648 4313 10609  
4307 10607 4275 10608 4272 10607  
TIME...MOT...LOC 2158Z 335DEG 27KT 4300 10637  
 
HAIL THREAT...OBSERVED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...<50 MPH  
 

 
 
HENSLEY  
 
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