554  
WUUS53 KFSD 180616  
SVRFSD  
IAC149-167-NEC043-051-SDC127-180700-  
/O.NEW.KFSD.SV.W.0012.250418T0616Z-250418T0700Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
116 AM CDT FRI APR 18 2025  
 
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
SOUTHWESTERN SIOUX COUNTY IN NORTHWESTERN IOWA...  
WESTERN PLYMOUTH COUNTY IN NORTHWESTERN IOWA...  
NORTHWESTERN DAKOTA COUNTY IN NORTHEASTERN NEBRASKA...  
NORTHEASTERN DIXON COUNTY IN NORTHEASTERN NEBRASKA...  
UNION COUNTY IN SOUTHEASTERN SOUTH DAKOTA...  
 
* UNTIL 200 AM CDT.  
 
* AT 115 AM CDT, TWO SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 6 MILES SOUTHWEST OF NEWCASTLE TO NEAR ALLEN,  
MOVING NORTHEAST AT 45 MPH.  
 
HAZARD...HALF DOLLAR SIZE HAIL.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.  
 
* SEVERE THUNDERSTORMS WILL BE NEAR...  
PONCA, NEWCASTLE, AND PONCA STATE PARK AROUND 120 AM CDT.  
NORTH SIOUX CITY, JEFFERSON, AND ELK POINT AROUND 130 AM CDT.  
SIOUX CITY AROUND 135 AM CDT.  
 
OTHER LOCATIONS IN THE PATH OF THESE SEVERE THUNDERSTORMS INCLUDE  
AKRON.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 

 
 
LAT...LON 4237 9679 4257 9698 4271 9684 4271 9681  
4274 9681 4297 9658 4273 9612 4256 9645  
4256 9647 4254 9648  
TIME...MOT...LOC 0615Z 225DEG 38KT 4258 9694 4244 9676  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...1.25 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...<50 MPH  
 

 
 
MEYERS  
 
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