705  
WWUS83 KUNR 292310  
SPSUNR  
 
SPECIAL WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RAPID CITY SD  
510 PM MDT MON MAY 29 2023  
 
SDZ031-043-300000-  
JACKSON SD-PENNINGTON CO PLAINS SD-  
510 PM MDT MON MAY 29 2023  
 
...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHWESTERN JACKSON  
AND SOUTHEASTERN PENNINGTON COUNTIES THROUGH 600 PM MDT...  
 
AT 509 PM MDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6  
MILES SOUTHEAST OF PINNACLES RANGER STATION, OR 31 MILES SOUTHWEST OF  
PHILIP, MOVING EAST AT 20 MPH.  
 
HAZARD...WINDS IN EXCESS OF 40 MPH AND PENNY 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...  
INTERIOR AND CEDAR PASS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO  
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED  
ROADWAYS.  
 
THIS STORM IS PRODUCING LARGE QUANTITIES OF HAIL. DRIVING THROUGH  
DEEP HAIL IS LIKE DRIVING ON SLUSHY ROADS. SLOW DOWN AND DO NOT BRAKE  
SUDDENLY.  
 

 
 
LAT...LON 4377 10224 4382 10222 4384 10191 4370 10192  
TIME...MOT...LOC 2309Z 269DEG 16KT 4378 10218  
 
MAX HAIL SIZE...0.75 IN  
MAX WIND GUST...40 MPH  
 

 
 
SHERBURN  
 
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