402  
WUUS53 KUNR 210239  
SVRUNR  
WYC005-011-045-210345-  
/O.NEW.KUNR.SV.W.0105.170721T0239Z-170721T0345Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE RAPID CITY SD  
839 PM MDT THU JUL 20 2017  
 
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHEASTERN CAMPBELL COUNTY IN NORTHEASTERN WYOMING...  
WESTON COUNTY IN NORTHEASTERN WYOMING...  
SOUTHERN CROOK COUNTY IN NORTHEASTERN WYOMING...  
 
* UNTIL 945 PM MDT  
 
* AT 839 PM MDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 8 MILES SOUTHEAST OF MOORCROFT TO 19 MILES NORTHWEST  
OF CLARETON TO 15 MILES WEST OF DULL CENTER, MOVING EAST AT 40 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE  
TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
UPTON, OSAGE, CLARETON, MOSKEE, ROCHELLE AND INYAN KARA MOUNTAIN.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 4388 10522 4421 10506 4429 10411 4400 10418  
4351 10450 4350 10535  
TIME...MOT...LOC 0239Z 259DEG 34KT 4416 10488 4392 10492 4348 10524  
 
HAIL...1.00IN  
WIND...60MPH  
 

 
 
JC  
 
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