316  
WUUS55 KCYS 210001  
SVRCYS  
WYC015-031-210045-  
/O.NEW.KCYS.SV.W.0093.260621T0001Z-260621T0045Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE CHEYENNE WY  
601 PM MDT SAT JUN 20 2026  
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHERN GOSHEN COUNTY IN SOUTHEASTERN WYOMING...  
SOUTHEASTERN PLATTE COUNTY IN SOUTHEASTERN WYOMING...  
 
* UNTIL 645 PM MDT.  
 
* AT 601 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR SLATER, OR 12  
MILES SOUTHEAST OF WHEATLAND, MOVING EAST AT 45 MPH.  
 
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
CHUGWATER, YODER, HUNTLEY, CHUGCREEK, BORDEAUX, Y-O RANCH, SLATER,  
SOUTHERN HILLS ESTATES, VETERAN, HAWK SPRINGS, PHIFER AIRFIELD, AND  
ANTELOPE GAP.  
 
THIS INCLUDES INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 48 AND  
74.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 4162 10465 4165 10465 4165 10481 4167 10491  
4177 10505 4209 10490 4200 10409 4156 10439  
TIME...MOT...LOC 0001Z 282DEG 38KT 4189 10486  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...0.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
NATOLI  
 
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