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Severe Thunderstorm Warning 0151
Issued by the Aberdeen Forecast Office

Action Issued Starts Expiration
New 2025-07-26 20:44:54 2025-07-26 20:44:00 2025-07-26 21:30:00
Continued 2025-07-26 21:03:25 2025-07-26 21:30:00
Cancelled 2025-07-26 21:03:25 2025-07-26 21:30:00
Expired 2025-07-26 21:26:55 2025-07-26 21:30:00


Action: New
Issued At: 2025-07-26 20:44:54

660 
WUUS53 KABR 270144
SVRABR
SDC041-107-119-129-270230-
/O.NEW.KABR.SV.W.0151.250727T0144Z-250727T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
844 PM CDT Sat Jul 26 2025

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for...
  Northeastern Sully County in central South Dakota...
  Western Potter County in north central South Dakota...
  Southeastern Dewey County in north central South Dakota...
  South central Walworth County in north central South Dakota...

* Until 930 PM CDT/830 PM MDT/.

* At 844 PM CDT/744 PM MDT/, severe thunderstorms were located along
  a line extending from 7 miles south of Swan Creek Rec Area to near
  Sully Lake, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Agar, Whitlocks Bay Rec Area, Gorman, and Sully Lake around 850 PM 
  CDT.

Other locations in the path of these severe thunderstorms include
Gettysburg and Lowry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4538 9989 4473 9989 4470 10045 4518 10050
TIME...MOT...LOC 0144Z 237DEG 20KT 4521 10023 4473 10025 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

12


Action: Continued
Issued At: 2025-07-26 21:03:25

123 
WWUS53 KABR 270203
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
903 PM CDT Sat Jul 26 2025

SDC041-270211-
/O.CAN.KABR.SV.W.0151.000000T0000Z-250727T0230Z/
Dewey SD-
903 PM CDT Sat Jul 26 2025

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DEWEY COUNTY IS
CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
central and north central South Dakota.

&&

LAT...LON 4538 9989 4473 9989 4470 10045 4483 10046
      4487 10039 4499 10042 4503 10039 4502 10028
      4509 10033 4516 10028 4526 10026
TIME...MOT...LOC 0201Z 237DEG 20KT 4526 10012 4478 10014 

$$

SDC107-119-129-270230-
/O.CON.KABR.SV.W.0151.000000T0000Z-250727T0230Z/
Sully SD-Potter SD-Walworth SD-
903 PM CDT Sat Jul 26 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NORTHEASTERN SULLY...WESTERN POTTER AND SOUTH CENTRAL WALWORTH
COUNTIES...

At 901 PM CDT, severe thunderstorms were located along a line
extending from near Akaska to near Sully Lake, moving northeast at 25
mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Gettysburg, Agar, Lowry, Gorman and Cottonwood Lake Near Agar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4538 9989 4473 9989 4470 10045 4483 10046
      4487 10039 4499 10042 4503 10039 4502 10028
      4509 10033 4516 10028 4526 10026
TIME...MOT...LOC 0201Z 237DEG 20KT 4526 10012 4478 10014 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

SD


Action: Cancelled
Issued At: 2025-07-26 21:03:25

123 
WWUS53 KABR 270203
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
903 PM CDT Sat Jul 26 2025

SDC041-270211-
/O.CAN.KABR.SV.W.0151.000000T0000Z-250727T0230Z/
Dewey SD-
903 PM CDT Sat Jul 26 2025

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DEWEY COUNTY IS
CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
central and north central South Dakota.

&&

LAT...LON 4538 9989 4473 9989 4470 10045 4483 10046
      4487 10039 4499 10042 4503 10039 4502 10028
      4509 10033 4516 10028 4526 10026
TIME...MOT...LOC 0201Z 237DEG 20KT 4526 10012 4478 10014 

$$

SDC107-119-129-270230-
/O.CON.KABR.SV.W.0151.000000T0000Z-250727T0230Z/
Sully SD-Potter SD-Walworth SD-
903 PM CDT Sat Jul 26 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NORTHEASTERN SULLY...WESTERN POTTER AND SOUTH CENTRAL WALWORTH
COUNTIES...

At 901 PM CDT, severe thunderstorms were located along a line
extending from near Akaska to near Sully Lake, moving northeast at 25
mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
  Gettysburg, Agar, Lowry, Gorman and Cottonwood Lake Near Agar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4538 9989 4473 9989 4470 10045 4483 10046
      4487 10039 4499 10042 4503 10039 4502 10028
      4509 10033 4516 10028 4526 10026
TIME...MOT...LOC 0201Z 237DEG 20KT 4526 10012 4478 10014 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

SD


Action: Expired
Issued At: 2025-07-26 21:26:55

663 
WWUS53 KABR 270226
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
926 PM CDT Sat Jul 26 2025

SDC107-119-129-270236-
/O.EXP.KABR.SV.W.0151.000000T0000Z-250727T0230Z/
Sully SD-Potter SD-Walworth SD-
926 PM CDT Sat Jul 26 2025

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SULLY...WESTERN
POTTER AND SOUTH CENTRAL WALWORTH COUNTIES WILL EXPIRE AT 930 PM
CDT...

The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However, gusty
winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 300 AM CDT for
central and north central South Dakota.

&&

LAT...LON 4538 9989 4473 9989 4470 10045 4483 10046
      4487 10039 4499 10042 4503 10039 4502 10028
      4509 10033 4516 10028 4526 10026
TIME...MOT...LOC 0226Z 237DEG 20KT 4533 9996 4485 9998 

$$

SD



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