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Severe Thunderstorm Warning 0197
Issued by the Aberdeen Forecast Office

Action Issued Starts Expiration
New 2026-08-09 01:27:41 2026-08-09 01:27:00 2026-08-09 02:15:00
Continued 2026-08-09 01:44:41 2026-08-09 02:15:00
Continued 2026-08-09 01:52:41 2026-08-09 02:15:00
Cancelled 2026-08-09 01:58:41 2026-08-09 02:15:00


Action: New
Issued At: 2026-08-09 01:27:41

081 
WUUS53 KABR 090627
SVRABR
SDC021-045-089-129-090715-
/O.NEW.KABR.SV.W.0197.260809T0627Z-260809T0715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
127 AM CDT Sun Aug 9 2026

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for...
  Southeastern Campbell County in north central South Dakota...
  Northwestern Edmunds County in north central South Dakota...
  Southwestern McPherson County in north central South Dakota...
  Northeastern Walworth County in north central South Dakota...

* Until 215 AM CDT.

* At 127 AM CDT, a severe thunderstorm was located over Mound City,
  or 7 miles south of Herreid, moving east at 25 mph.

  HAZARD...Ping pong 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.

* Locations impacted include...
  Mound City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4569 10020 4581 10016 4583 9965 4559 9962
      4550 9968
TIME...MOT...LOC 0626Z 277DEG 21KT 4574 10009

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

07


Action: Continued
Issued At: 2026-08-09 01:44:41

873 
WWUS53 KABR 090644
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
144 AM CDT Sun Aug 9 2026

SDC021-045-089-129-090715-
/O.CON.KABR.SV.W.0197.000000T0000Z-260809T0715Z/
Campbell SD-Edmunds SD-McPherson SD-Walworth SD-
144 AM CDT Sun Aug 9 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR
SOUTHEASTERN CAMPBELL, NORTHWESTERN EDMUNDS, SOUTHWESTERN MCPHERSON
AND NORTHEASTERN WALWORTH COUNTIES...

At 144 AM CDT, a severe thunderstorm was located 12 miles north of
Java, or 11 miles southwest of Eureka, moving east at 30 mph.

HAZARD...Ping pong 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.

Locations impacted include...
  Mainly rural areas of Southeastern Campbell, Northwestern Edmunds,
  Southwestern McPherson and Northeastern Walworth Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4565 10008 4580 10000 4581 9965 4559 9962
      4550 9968
TIME...MOT...LOC 0627Z 288DEG 24KT 4570 9996

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

07


Action: Continued
Issued At: 2026-08-09 01:52:41

049 
WWUS53 KABR 090652
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
152 AM CDT Sun Aug 9 2026

SDC021-045-089-129-090715-
/O.CON.KABR.SV.W.0197.000000T0000Z-260809T0715Z/
Campbell SD-Edmunds SD-McPherson SD-Walworth SD-
152 AM CDT Sun Aug 9 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR
SOUTHEASTERN CAMPBELL, NORTHWESTERN EDMUNDS, SOUTHWESTERN MCPHERSON
AND NORTHEASTERN WALWORTH COUNTIES...

At 152 AM CDT, a severe thunderstorm was located 9 miles north of
Lake Hiddenwood Rec Area, or 12 miles northeast of Selby, moving east
at 25 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
         roofs, siding, and trees.

Locations impacted include...
  Mainly rural areas of Southeastern Campbell, Northwestern Edmunds,
  Southwestern McPherson and Northeastern Walworth Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

Torrential rainfall is also occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4574 10003 4568 9963 4559 9962 4550 9968
      4565 10008
TIME...MOT...LOC 0644Z 282DEG 23KT 4567 9999

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

07


Action: Cancelled
Issued At: 2026-08-09 01:58:41

283 
WWUS53 KABR 090658
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
158 AM CDT Sun Aug 9 2026

SDC021-045-089-129-090708-
/O.CAN.KABR.SV.W.0197.000000T0000Z-260809T0715Z/
Campbell SD-Edmunds SD-McPherson SD-Walworth SD-
158 AM CDT Sun Aug 9 2026

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR SOUTHEASTERN
CAMPBELL, NORTHWESTERN EDMUNDS, SOUTHWESTERN MCPHERSON AND
NORTHEASTERN WALWORTH COUNTIES...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However, heavy rain is
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 700 AM CDT Sunday
for a portion of north central South Dakota.

&&

LAT...LON 4574 10003 4568 9963 4559 9962 4550 9968
      4565 10008
TIME...MOT...LOC 0652Z 282DEG 23KT 4566 9992

$$

07



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