147  
WWUS83 KUNR 152345  
SPSUNR  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
545 PM MDT MON SEP 15 2025  
 
WYZ054-056-160030-  
NORTHERN CAMPBELL WY-WESTERN CROOK WY-  
545 PM MDT MON SEP 15 2025  
 
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN CAMPBELL AND WEST  
CENTRAL CROOK COUNTIES THROUGH 630 PM MDT...  
 
AT 544 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER  
CORDERO ROJO MINE, OR 20 MILES NORTH OF GILLETTE, MOVING NORTHEAST AT  
35 MPH.  
 
HAZARD...WIND GUSTS OF 50 TO 55 MPH.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND  
UNSECURED OBJECTS.  
 
LOCATIONS IMPACTED INCLUDE...  
OSHOTO, NEW HAVEN, WESTON, AND ROCKYPOINT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.  
 
 
 
LAT...LON 4439 10539 4457 10562 4500 10516 4470 10470  
TIME...MOT...LOC 2344Z 220DEG 32KT 4456 10536  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...55 MPH  
 
 
 
GM  
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