Thunderstorms produced large hail in southeast South Dakota, mainly near the Missouri River, during the late afternoon and early evening of August 21st. Very large hail fell in the Dante area in Charles Mix County, including a state record size hailstone certified as 6 and 7/8 inches in diameter.

Hail in DOUGLAS, SOUTH DAKOTA
From 21-AUG-07 17:13:00 to 21-AUG-07 17:13:00 (CST-6)
Location: ARMOUR
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CHARLES MIX, SOUTH DAKOTA
From 21-AUG-07 17:22:00 to 21-AUG-07 17:22:00 (CST-6)
Location: DANTE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Large hail was accompanied by estimated 50 mph wind gusts.

Hail in CHARLES MIX, SOUTH DAKOTA
From 21-AUG-07 17:40:00 to 21-AUG-07 17:40:00 (CST-6)
Location: MARTY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in YANKTON, SOUTH DAKOTA
From 21-AUG-07 18:29:00 to 21-AUG-07 18:29:00 (CST-6)
Location: YANKTON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in YANKTON, SOUTH DAKOTA
From 21-AUG-07 18:31:00 to 21-AUG-07 18:31:00 (CST-6)
Location: YANKTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CHARLES MIX, SOUTH DAKOTA
From 21-AUG-07 16:10:00 to 21-AUG-07 16:10:00 (CST-6)
Location: LAKE ANDES
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CHARLES MIX, SOUTH DAKOTA
From 21-AUG-07 16:35:00 to 21-AUG-07 16:35:00 (CST-6)
Location: LAKE ANDES
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CHARLES MIX, SOUTH DAKOTA
From 21-AUG-07 16:40:00 to 21-AUG-07 16:40:00 (CST-6)
Location: WAGNER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CHARLES MIX, SOUTH DAKOTA
From 21-AUG-07 16:42:00 to 21-AUG-07 16:42:00 (CST-6)
Location: WAGNER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large hail dented cars and cracked windshields. The amount of damage was not known.

Hail in CHARLES MIX, SOUTH DAKOTA
From 21-AUG-07 16:55:00 to 21-AUG-07 17:10:00 (CST-6)
Location: DANTE
Magnitude: 6.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Very large hail included a hailstone 6 7/8 inches in diameter verified by the warning and coordination Meteorologist. The large hail included numerous stones around softball size. Damage included holes in roofs, broken rafters, broken awnings, numerous broken windows and dented vehicles, damaged siding, divots in the ground up to 12 inches long and 3 inches deep, and damaged crops. The amount of property and crop damage was not known.

Hail in BON HOMME, SOUTH DAKOTA
From 21-AUG-07 16:59:00 to 21-AUG-07 16:59:00 (CST-6)
Location: AVON
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Large hail cracked windows and dented vehicles. The amount of damage was not known.

Hail in DOUGLAS, SOUTH DAKOTA
From 21-AUG-07 17:03:00 to 21-AUG-07 17:03:00 (CST-6)
Location: DELMONT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CLAY, SOUTH DAKOTA
From 21-AUG-07 19:15:00 to 21-AUG-07 19:15:00 (CST-6)
Location: VERMILLION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CHARLES MIX, SOUTH DAKOTA
From 21-AUG-07 16:46:00 to 21-AUG-07 16:46:00 (CST-6)
Location: WAGNER
Magnitude: 6.13 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Very large hail broke windows, dented vehicles, and damaged roofs. Crop damage was also reported. The largest stone was verifed at 6 1/8 inches in diamater with a weight of 1.25 pounds. The amount of property and crop damage was not known.

Hail in YANKTON, SOUTH DAKOTA
From 21-AUG-07 18:49:00 to 21-AUG-07 18:49:00 (CST-6)
Location: GAYVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager