A weak upper level low pressure trough combined with deep instability and wind shear brought scattered severe thunderstorms to parts of central and northeast South Dakota. Large hail up to two inches along with wind gusts to seventy mph brought some damage to the region.

Hail in GRANT, SOUTH DAKOTA
From 09-AUG-15 06:40:00 to 09-AUG-15 06:40:00 (CST-6)
Location: MARVIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WALWORTH, SOUTH DAKOTA
From 09-AUG-15 12:30:00 to 09-AUG-15 12:30:00 (CST-6)
Location: LOWRY
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public

Hail damaged some door screens.

Hail in BUFFALO, SOUTH DAKOTA
From 09-AUG-15 13:35:00 to 09-AUG-15 13:35:00 (CST-6)
Location: GANN VLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HAND, SOUTH DAKOTA
From 09-AUG-15 14:28:00 to 09-AUG-15 14:28:00 (CST-6)
Location: POLO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HAND, SOUTH DAKOTA
From 09-AUG-15 14:39:00 to 09-AUG-15 14:39:00 (CST-6)
Location: POLO
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in HAND, SOUTH DAKOTA
From 09-AUG-15 14:40:00 to 09-AUG-15 14:40:00 (CST-6)
Location: POLO
Magnitude: 2.00 
Crop damage: 0.00K
Reported by: Emergency Manager

Large hail broke the windshield on a car driving on Highway 45.

Hail in HAND, SOUTH DAKOTA
From 09-AUG-15 15:04:00 to 09-AUG-15 15:04:00 (CST-6)
Location: POLO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BUFFALO, SOUTH DAKOTA
From 09-AUG-15 13:41:00 to 09-AUG-15 13:41:00 (CST-6)
Location: GANN VLY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in GRANT, SOUTH DAKOTA
From 09-AUG-15 06:40:00 to 09-AUG-15 06:40:00 (CST-6)
Location: MARVIN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Sixty mph winds were estimated.

Thunderstorm Wind in EDMUNDS, SOUTH DAKOTA
From 09-AUG-15 13:40:00 to 09-AUG-15 13:40:00 (CST-6)
Location: ROSCOE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Sixty mph winds were estimated.

Thunderstorm Wind in HAND, SOUTH DAKOTA
From 09-AUG-15 14:28:00 to 09-AUG-15 14:28:00 (CST-6)
Location: POLO
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Seventy mph winds were estimated.

Thunderstorm Wind in HAND, SOUTH DAKOTA
From 09-AUG-15 14:49:00 to 09-AUG-15 14:49:00 (CST-6)
Location: POLO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Sixty mph winds were estimated.

Thunderstorm Wind in HAND, SOUTH DAKOTA
From 09-AUG-15 15:04:00 to 09-AUG-15 15:04:00 (CST-6)
Location: POLO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Sixty mph winds were estimated.

Thunderstorm Wind in SPINK, SOUTH DAKOTA
From 09-AUG-15 15:15:00 to 09-AUG-15 15:15:00 (CST-6)
Location: TULARE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Sixty mph winds were estimated.

Thunderstorm Wind in SPINK, SOUTH DAKOTA
From 09-AUG-15 15:10:00 to 09-AUG-15 15:10:00 (CST-6)
Location: REDFIELD ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Sixty mph winds were estimated.

Thunderstorm Wind in SPINK, SOUTH DAKOTA
From 09-AUG-15 15:30:00 to 09-AUG-15 15:30:00 (CST-6)
Location: REDFIELD
Magnitude: 61.00 EG
Crop damage: 0.00K
Reported by: Public

Seventy mph winds downed a tree in Redfield.

Thunderstorm Wind in SPINK, SOUTH DAKOTA
From 09-AUG-15 16:00:00 to 09-AUG-15 16:00:00 (CST-6)
Location: BLOOMFIELD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several tree branches were downed by sixty mph winds.

Thunderstorm Wind in SPINK, SOUTH DAKOTA
From 09-AUG-15 15:19:00 to 09-AUG-15 15:19:00 (CST-6)
Location: TULARE
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in HAND, SOUTH DAKOTA
From 09-AUG-15 14:49:00 to 09-AUG-15 14:49:00 (CST-6)
Location: POLO
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public