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Severe Thunderstorm Warning 0171
Issued by the Aberdeen Forecast Office

Action Issued Starts Expiration
New 2025-07-28 16:57:29 2025-07-28 16:57:00 2025-07-28 17:45:00
Cancelled 2025-07-28 17:09:29 2025-07-28 17:45:00
Continued 2025-07-28 17:09:29 2025-07-28 17:45:00
Continued 2025-07-28 17:25:59 2025-07-28 17:45:00


Action: New
Issued At: 2025-07-28 16:57:29

882 
WUUS53 KABR 282157
SVRABR
SDC017-059-065-069-085-282245-
/O.NEW.KABR.SV.W.0171.250728T2157Z-250728T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
457 PM CDT Mon Jul 28 2025

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for...
  Southwestern Hand County in central South Dakota...
  Southern Hyde County in central South Dakota...
  East central Hughes County in central South Dakota...
  North central Lyman County in central South Dakota...
  Western Buffalo County in central South Dakota...

* Until 545 PM CDT.

* At 457 PM CDT, a severe thunderstorm was located near Stephan, or
  13 miles north of Lower Brule, moving southeast at 30 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Stephan and Lake Sharpe around 500 PM CDT.

Other locations in the path of this severe thunderstorm include Lees
Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!

&&

LAT...LON 4420 9976 4440 9966 4438 9898 4399 9926
TIME...MOT...LOC 2157Z 300DEG 28KT 4427 9955 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

20


Action: Cancelled
Issued At: 2025-07-28 17:09:29

267 
WWUS53 KABR 282209
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
509 PM CDT Mon Jul 28 2025

SDC065-282218-
/O.CAN.KABR.SV.W.0171.000000T0000Z-250728T2245Z/
Hughes SD-
509 PM CDT Mon Jul 28 2025

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HUGHES COUNTY IS
CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central South Dakota.

&&

LAT...LON 4414 9960 4416 9962 4417 9966 4440 9957
      4438 9898 4399 9926
TIME...MOT...LOC 2208Z 300DEG 28KT 4422 9944 

$$

SDC017-059-069-085-282245-
/O.CON.KABR.SV.W.0171.000000T0000Z-250728T2245Z/
Hand SD-Hyde SD-Lyman SD-Buffalo SD-
509 PM CDT Mon Jul 28 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHWESTERN HAND...SOUTHERN HYDE...NORTHEASTERN LYMAN AND
WESTERN BUFFALO COUNTIES...

At 508 PM CDT, a severe thunderstorm was located over Stephan, or 11
miles north of Fort Thompson, moving southeast at 30 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Law enforcement.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
  Lees Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.

&&

LAT...LON 4414 9960 4416 9962 4417 9966 4440 9957
      4438 9898 4399 9926
TIME...MOT...LOC 2208Z 300DEG 28KT 4422 9944 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

20


Action: Continued
Issued At: 2025-07-28 17:09:29

267 
WWUS53 KABR 282209
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
509 PM CDT Mon Jul 28 2025

SDC065-282218-
/O.CAN.KABR.SV.W.0171.000000T0000Z-250728T2245Z/
Hughes SD-
509 PM CDT Mon Jul 28 2025

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HUGHES COUNTY IS
CANCELLED...

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

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central South Dakota.

&&

LAT...LON 4414 9960 4416 9962 4417 9966 4440 9957
      4438 9898 4399 9926
TIME...MOT...LOC 2208Z 300DEG 28KT 4422 9944 

$$

SDC017-059-069-085-282245-
/O.CON.KABR.SV.W.0171.000000T0000Z-250728T2245Z/
Hand SD-Hyde SD-Lyman SD-Buffalo SD-
509 PM CDT Mon Jul 28 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHWESTERN HAND...SOUTHERN HYDE...NORTHEASTERN LYMAN AND
WESTERN BUFFALO COUNTIES...

At 508 PM CDT, a severe thunderstorm was located over Stephan, or 11
miles north of Fort Thompson, moving southeast at 30 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Law enforcement.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
  Lees Corner.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.

&&

LAT...LON 4414 9960 4416 9962 4417 9966 4440 9957
      4438 9898 4399 9926
TIME...MOT...LOC 2208Z 300DEG 28KT 4422 9944 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

20


Action: Continued
Issued At: 2025-07-28 17:25:59

801 
WWUS53 KABR 282225
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
525 PM CDT Mon Jul 28 2025

SDC017-059-069-085-282245-
/O.CON.KABR.SV.W.0171.000000T0000Z-250728T2245Z/
Hand SD-Hyde SD-Lyman SD-Buffalo SD-
525 PM CDT Mon Jul 28 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHWESTERN HAND...SOUTHERN HYDE...NORTHEASTERN LYMAN AND
WESTERN BUFFALO COUNTIES...

At 525 PM CDT, a severe thunderstorm was located near Lees Corner, or
9 miles northeast of Fort Thompson, moving southeast at 30 mph.

HAZARD...Two inch hail and 60 mph wind gusts.

SOURCE...Law enforcement.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Fort Thompson, Stephan, Lees Corner, Lake Sharpe, Crow Creek
Reservation, and Lower Brule Reservation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.

This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.

&&

LAT...LON 4414 9960 4416 9962 4417 9966 4440 9957
      4438 9898 4399 9926
TIME...MOT...LOC 2225Z 300DEG 28KT 4415 9928 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

20



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