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Severe Thunderstorm Warning 0037
Issued by the Sioux Falls Forecast Office

Action Issued Starts Expiration
New 2026-05-17 14:16:24 2026-05-17 14:15:00 2026-05-17 15:00:00
Continued 2026-05-17 14:29:56 2026-05-17 15:00:00
Cancelled 2026-05-17 14:51:57 2026-05-17 15:00:00
Continued 2026-05-17 14:51:57 2026-05-17 15:00:00

Action: New
Issued At: 2026-05-17 14:16:24 

115 
WUUS53 KFSD 171915
SVRFSD
SDC003-015-023-043-172000-
/O.NEW.KFSD.SV.W.0037.260517T1915Z-260517T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
215 PM CDT Sun May 17 2026

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for...
  Southern Aurora County in south central South Dakota...
  North central Charles Mix County in south central South Dakota...
  Northwestern Douglas County in south central South Dakota...
  Southeastern Brule County in south central South Dakota...

* Until 300 PM CDT.

* At 215 PM CDT, a severe thunderstorm was located over Platte, or 22
  miles northwest of Lake Andes, moving northeast at 35 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* This severe thunderstorm will be near...
  Platte around 220 PM CDT.
  New Holland around 230 PM CDT.
  Aurora Center around 235 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 1000 PM CDT for south central
South Dakota.

&&

LAT...LON 4326 9873 4337 9902 4372 9876 4366 9833
TIME...MOT...LOC 1915Z 222DEG 28KT 4337 9887 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Weisser
Action: Continued
Issued At: 2026-05-17 14:29:56 

387 
WWUS53 KFSD 171929
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
229 PM CDT Sun May 17 2026

SDC003-015-023-043-172000-
/O.CON.KFSD.SV.W.0037.000000T0000Z-260517T2000Z/
Aurora SD-Charles Mix SD-Douglas SD-Brule SD-
229 PM CDT Sun May 17 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR SOUTHERN AURORA...NORTH CENTRAL CHARLES MIX...NORTHWESTERN
DOUGLAS AND SOUTHEASTERN BRULE COUNTIES...

At 229 PM CDT, a severe thunderstorm was located near Platte, or 22
miles northwest of Lake Andes, moving northeast at 40 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

This severe storm will be near...
  New Holland and Aurora Center around 235 PM CDT.

Other locations in the path of this severe thunderstorm include
Stickney.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for south central
South Dakota.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4333 9867 4347 9895 4372 9876 4366 9833
TIME...MOT...LOC 1929Z 221DEG 35KT 4344 9875 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Weisser
Action: Cancelled
Issued At: 2026-05-17 14:51:57 

858 
WWUS53 KFSD 171951
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
251 PM CDT Sun May 17 2026

SDC015-023-043-172001-
/O.CAN.KFSD.SV.W.0037.000000T0000Z-260517T2000Z/
Charles Mix SD-Douglas SD-Brule SD-
251 PM CDT Sun May 17 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CHARLES MIX...
NORTHWESTERN DOUGLAS AND SOUTHEASTERN BRULE COUNTIES IS CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for south central
South Dakota.

&&

LAT...LON 4368 9879 4372 9876 4366 9833 4350 9850
      4350 9880
TIME...MOT...LOC 1951Z 232DEG 32KT 4356 9852 

$$

SDC003-172000-
/O.CON.KFSD.SV.W.0037.000000T0000Z-260517T2000Z/
Aurora SD-
251 PM CDT Sun May 17 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR SOUTHERN AURORA COUNTY...

At 251 PM CDT, a severe thunderstorm was located near Aurora Center,
or 10 miles south of Plankinton, moving northeast at 35 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
  Stickney.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for south central
South Dakota.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4368 9879 4372 9876 4366 9833 4350 9850
      4350 9880
TIME...MOT...LOC 1951Z 232DEG 32KT 4356 9852 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Weisser
Action: Continued
Issued At: 2026-05-17 14:51:57 

858 
WWUS53 KFSD 171951
SVSFSD

Severe Weather Statement
National Weather Service Sioux Falls SD
251 PM CDT Sun May 17 2026

SDC015-023-043-172001-
/O.CAN.KFSD.SV.W.0037.000000T0000Z-260517T2000Z/
Charles Mix SD-Douglas SD-Brule SD-
251 PM CDT Sun May 17 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CHARLES MIX...
NORTHWESTERN DOUGLAS AND SOUTHEASTERN BRULE COUNTIES IS CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for south central
South Dakota.

&&

LAT...LON 4368 9879 4372 9876 4366 9833 4350 9850
      4350 9880
TIME...MOT...LOC 1951Z 232DEG 32KT 4356 9852 

$$

SDC003-172000-
/O.CON.KFSD.SV.W.0037.000000T0000Z-260517T2000Z/
Aurora SD-
251 PM CDT Sun May 17 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM CDT
FOR SOUTHERN AURORA COUNTY...

At 251 PM CDT, a severe thunderstorm was located near Aurora Center,
or 10 miles south of Plankinton, moving northeast at 35 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
  Stickney.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for south central
South Dakota.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4368 9879 4372 9876 4366 9833 4350 9850
      4350 9880
TIME...MOT...LOC 1951Z 232DEG 32KT 4356 9852 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Weisser

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