540  
WWUS85 KCYS 140148  
SPSCYS  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE CHEYENNE WY  
748 PM MDT WED MAY 13 2026  
 
WYZ117>119-140230-  
CENTRAL LARAMIE COUNTY WY-SOUTH LARAMIE RANGE FOOTHILLS WY-  
EAST LARAMIE COUNTY WY-  
748 PM MDT WED MAY 13 2026  
 
...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL LARAMIE COUNTY  
THROUGH 830 PM MDT...  
 
AT 748 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR  
WINCHESTER HILLS, OR 7 MILES SOUTHWEST OF CHEYENNE, MOVING NORTHEAST  
AT 25 MPH.  
 
HAZARD...WIND GUSTS UP TO 50 MPH.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND  
UNSECURED OBJECTS.  
 
LOCATIONS IMPACTED INCLUDE...  
CHEYENNE, LARAMIE COUNTY FAIRGROUNDS AT ARCHER, HILLSDALE, FOX  
FARM-COLLEGE, CHEYENNE REGIONAL AIRPORT, WINCHESTER HILLS, SOUTH  
GREELEY HIGHWAY, RANCHETTES, WARREN AFB, FRONTIER PARK, NORTH  
CHEYENNE, SOUTH CHEYENNE, BISON CROSSING, GRASS HILLS, AND COWBOY  
RANCH SOUTH.  
 
THIS INCLUDES THE FOLLOWING HIGHWAYS...  
INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 1 AND 20.  
INTERSTATE 80 IN WYOMING BETWEEN MILE MARKERS 349 AND 382.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.  
 

 
 
LAT...LON 4109 10507 4141 10469 4108 10433 4100 10469  
4100 10498  
TIME...MOT...LOC 0148Z 238DEG 23KT 4107 10489  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...50 MPH  
 

 
 
GOATLEY  
 
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