A severe thunderstorm developed over the northeast slopes of the Black Hills and tracked eastward across the west central South Dakota plains. The storm produced large hail and strong wind gusts initially, then mainly strong winds east of the Black Hills.

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 12-JUL-15 18:28:00 to 12-JUL-15 18:28:00 (MST-7)
Location: BLACK HAWK
Magnitude: 65.00 MG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Public

Property damage was reported in the Golden Valley subdivision.

Thunderstorm Wind in HAAKON, SOUTH DAKOTA
From 12-JUL-15 19:50:00 to 12-JUL-15 19:50:00 (MST-7)
Location: PHILIP
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated at 60 mph.

Thunderstorm Wind in HAAKON, SOUTH DAKOTA
From 12-JUL-15 20:00:00 to 12-JUL-15 20:00:00 (MST-7)
Location: PHILIP
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter estimated wind gusts at 60 mph.

Thunderstorm Wind in HAAKON, SOUTH DAKOTA
From 12-JUL-15 20:40:00 to 12-JUL-15 20:40:00 (MST-7)
Location: MIDLAND
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Hail in MEADE, SOUTH DAKOTA
From 12-JUL-15 18:25:00 to 12-JUL-15 18:25:00 (MST-7)
Location: BLACK HAWK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in PENNINGTON, SOUTH DAKOTA
From 12-JUL-15 19:35:00 to 12-JUL-15 19:35:00 (MST-7)
Location: CREIGHTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated at 70 mph.

Hail in MEADE, SOUTH DAKOTA
From 12-JUL-15 18:28:00 to 12-JUL-15 18:28:00 (MST-7)
Location: BLACK HAWK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 12-JUL-15 18:25:00 to 12-JUL-15 18:25:00 (MST-7)
Location: BLACK HAWK
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Wind gusts were estimated at 60 mph.

Hail in MEADE, SOUTH DAKOTA
From 12-JUL-15 18:45:00 to 12-JUL-15 18:45:00 (MST-7)
Location: ELLSWORTH AFB
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 12-JUL-15 18:55:00 to 12-JUL-15 18:55:00 (MST-7)
Location: ELLSWORTH AFB
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter estimated wind gusts at 70 mph.

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 12-JUL-15 19:15:00 to 12-JUL-15 19:15:00 (MST-7)
Location: ELM SPRINGS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated at 60 mph.

Thunderstorm Wind in MEADE, SOUTH DAKOTA
From 12-JUL-15 19:18:00 to 12-JUL-15 19:18:00 (MST-7)
Location: ELM SPRINGS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind gusts were estimated around 60 mph.

Thunderstorm Wind in PENNINGTON, SOUTH DAKOTA
From 12-JUL-15 19:30:00 to 12-JUL-15 19:30:00 (MST-7)
Location: WALL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated at 60 mph.