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Severe Thunderstorm Warning 0188
Issued by the Aberdeen Forecast Office

Action Issued Starts Expiration
New 2026-08-07 04:59:06 2026-08-07 04:58:00 2026-08-07 05:45:00
Continued 2026-08-07 05:14:06 2026-08-07 05:45:00
Cancelled 2026-08-07 05:24:36 2026-08-07 05:45:00


Action: New
Issued At: 2026-08-07 04:59:06

047 
WUUS53 KABR 070958
SVRABR
SDC029-037-051-109-071045-
/O.NEW.KABR.SV.W.0188.260807T0958Z-260807T1045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
458 AM CDT Fri Aug 7 2026

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for...
  Northwestern Codington County in northeastern South Dakota...
  Southeastern Day County in northeastern South Dakota...
  Northwestern Grant County in northeastern South Dakota...
  Southwestern Roberts County in northeastern South Dakota...

* Until 545 AM CDT.

* At 458 AM CDT, a severe thunderstorm was located near Bitter Lake,
  or 8 miles southwest of Waubay, moving east at 15 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.

* This severe thunderstorm will be near...
  Waubay around 515 AM CDT.
  Ortley around 535 AM CDT.

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.

&&

LAT...LON 4510 9748 4531 9747 4540 9710 4515 9705
TIME...MOT...LOC 0958Z 261DEG 14KT 4524 9739

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

$$

12


Action: Continued
Issued At: 2026-08-07 05:14:06

651 
WWUS53 KABR 071013
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
513 AM CDT Fri Aug 7 2026

SDC029-037-051-109-071045-
/O.CON.KABR.SV.W.0188.000000T0000Z-260807T1045Z/
Codington SD-Day SD-Grant SD-Roberts SD-
513 AM CDT Fri Aug 7 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 AM CDT FOR
NORTHWESTERN CODINGTON, SOUTHEASTERN DAY, NORTHWESTERN GRANT AND
SOUTHWESTERN ROBERTS COUNTIES...

At 513 AM CDT, a severe thunderstorm was located over Bitter Lake, or
6 miles south of Waubay, moving east at 15 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.

This severe thunderstorm will be near...
  Ortley around 535 AM CDT.

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.

&&

LAT...LON 4510 9745 4525 9739 4540 9710 4515 9705
TIME...MOT...LOC 0958Z 261DEG 14KT 4524 9739

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

$$

12


Action: Cancelled
Issued At: 2026-08-07 05:24:36

772 
WWUS53 KABR 071024
SVSABR

Severe Weather Statement
National Weather Service Aberdeen SD
524 AM CDT Fri Aug 7 2026

SDC029-037-051-109-071034-
/O.CAN.KABR.SV.W.0188.000000T0000Z-260807T1045Z/
Codington SD-Day SD-Grant SD-Roberts SD-
524 AM CDT Fri Aug 7 2026

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHWESTERN
CODINGTON, SOUTHEASTERN DAY, NORTHWESTERN GRANT AND SOUTHWESTERN
ROBERTS COUNTIES...

The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled. However, small hail is still possible with this
thunderstorm.

&&

LAT...LON 4510 9745 4525 9739 4540 9710 4515 9705
TIME...MOT...LOC 1013Z 261DEG 14KT 4525 9731

$$

12



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