008  
WUUS55 KCYS 282012  
SVRCYS  
WYC015-031-282100-  
/O.NEW.KCYS.SV.W.0298.250828T2012Z-250828T2100Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE CHEYENNE WY  
212 PM MDT THU AUG 28 2025  
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
WEST CENTRAL GOSHEN COUNTY IN SOUTHEASTERN WYOMING...  
EAST CENTRAL PLATTE COUNTY IN SOUTHEASTERN WYOMING...  
 
* UNTIL 300 PM MDT.  
 
* AT 211 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED NEAR GRAYROCKS  
RESERVOIR, OR 10 MILES EAST OF WHEATLAND, MOVING SOUTHEAST AT 20  
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...  
GRAYROCKS RESERVOIR, CHUGCREEK, SLATER, AND ANTELOPE GAP.  
 
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 4208 10492 4218 10476 4202 10443 4186 10468  
TIME...MOT...LOC 2011Z 314DEG 17KT 4210 10477  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.00 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
FULLER  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page
The Nexlab NE Page Main Text Page