156
WWUS53 KFSD 180421
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1121 PM CDT MON AUG 17 2026
SDC053-180431-
/O.CAN.KFSD.SV.W.0228.000000T0000Z-260818T0445Z/
GREGORY SD-
1121 PM CDT MON AUG 17 2026
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL GREGORY COUNTY IS
CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE, THE WARNING HAS BEEN CANCELLED.
LAT...LON 4350 9895 4350 9888 4330 9875 4326 9897
4326 9898 4334 9909 4341 9911
TIME...MOT...LOC 0421Z 251DEG 22KT 4332 9898
SDC023-180445-
/O.CON.KFSD.SV.W.0228.000000T0000Z-260818T0445Z/
CHARLES MIX SD-
1121 PM CDT MON AUG 17 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR NORTHWESTERN CHARLES MIX COUNTY...
AT 1121 PM CDT, A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTHWEST
OF PLATTE, OR 25 MILES NORTHWEST OF LAKE ANDES, MOVING EAST AT 25
MPH.
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS, SIDING, AND TREES.
THIS SEVERE STORM WILL BE NEAR...
PLATTE AROUND 1125 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
SIOUX FALLS.
LAT...LON 4350 9895 4350 9888 4330 9875 4326 9897
4326 9898 4334 9909 4341 9911
TIME...MOT...LOC 0421Z 251DEG 22KT 4332 9898
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
SAMET
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