792  
WWUS83 KUNR 231949  
SPSUNR  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
149 PM MDT SUN AUG 23 2026  
 
SDZ024-025-WYZ057-060-232045-  
NORTHERN FOOTHILLS SD-NORTHEASTERN CROOK WY-NORTHERN BLACK HILLS  
SD-WYOMING BLACK HILLS WY-  
149 PM MDT SUN AUG 23 2026  
 
...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL LAWRENCE AND EAST  
CENTRAL CROOK COUNTIES UNTIL 245 PM MDT...  
 
AT 149 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR  
CEMENT RIDGE LOOKOUT, OR 13 MILES EAST OF SUNDANCE, MOVING SOUTHEAST  
AT 10 MPH.  
 
HAZARD...WIND GUSTS UP TO 40 MPH AND HALF INCH SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...GUSTY WINDS COULD KNOCK DOWN TREE LIMBS AND BLOW AROUND  
UNSECURED OBJECTS. MINOR DAMAGE TO OUTDOOR OBJECTS IS  
POSSIBLE.  
 
LOCATIONS IMPACTED INCLUDE...  
CEMENT RIDGE LOOKOUT, IRON CREEK LAKE, ROUGHLOCK FALLS, SAVOY,  
SPEARFISH CANYON AND BRIDAL VEIL FALLS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING  
WEATHER CONDITIONS.  
 
VERY HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO  
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED  
ROADWAYS.  
 

 
 
LAT...LON 4439 10422 4451 10409 4441 10385 4423 10404  
TIME...MOT...LOC 1949Z 306DEG 10KT 4441 10412  
 
MAX HAIL SIZE...0.50 IN  
MAX WIND GUST...40 MPH  
 

 
 
HELGESON  
 
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