542  
WUUS53 KFSD 061439  
SVRFSD  
SDC023-053-061500-  
/O.NEW.KFSD.SV.W.0009.210406T1439Z-210406T1500Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
939 AM CDT TUE APR 6 2021  
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
CENTRAL CHARLES MIX COUNTY IN SOUTH CENTRAL SOUTH DAKOTA...  
SOUTH CENTRAL GREGORY COUNTY IN SOUTH CENTRAL SOUTH DAKOTA...  
 
* UNTIL 1000 AM CDT.  
 
* AT 939 AM CDT, A SEVERE THUNDERSTORM WAS LOCATED 8 MILES NORTHEAST  
OF BONESTEEL, OR 16 MILES WEST OF LAKE ANDES, MOVING NORTH AT 35  
MPH.  
 
HAZARD...QUARTER SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.  
 
* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF  
CENTRAL CHARLES MIX AND SOUTH CENTRAL GREGORY COUNTIES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND  
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.  
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER, IF YOU CAN  
HEAR THUNDER, YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.  
 

 
 
LAT...LON 4309 9878 4309 9895 4332 9901 4332 9870  
TIME...MOT...LOC 1439Z 181DEG 30KT 4318 9886  
 
HAIL...1.00IN  
WIND...<50MPH  
 

 
 
SSC  
 
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