086  
WUUS53 KUNR 142233  
SVRUNR  
WYC011-045-142330-  
/O.NEW.KUNR.SV.W.0212.210914T2233Z-210914T2330Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE RAPID CITY SD  
433 PM MDT TUE SEP 14 2021  
 
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHWESTERN WESTON COUNTY IN NORTHEASTERN WYOMING...  
SOUTHWESTERN CROOK COUNTY IN NORTHEASTERN WYOMING...  
 
* UNTIL 530 PM MDT.  
 
* AT 432 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 3 MILES WEST OF  
MOORCROFT, OR 22 MILES EAST OF GILLETTE, MOVING EAST AT 20 MPH.  
 
HAZARD...PING PONG BALL SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT  
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES.  
 
* THIS SEVERE THUNDERSTORM WILL BE NEAR...  
MOORCROFT AROUND 445 PM MDT.  
 
OTHER LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM INCLUDE  
UPTON.  
 
THIS INCLUDES INTERSTATE 90 IN WYOMING BETWEEN MILE MARKERS 148 AND  
171.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY  
STRUCTURE AND STAY AWAY FROM WINDOWS!  
 

 
 
LAT...LON 4425 10509 4434 10505 4430 10452 4406 10464  
TIME...MOT...LOC 2232Z 289DEG 19KT 4429 10503  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.50 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...<50 MPH  
 

 
 
SHERBURN  
 
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