Thunderstorms produced large hail and damaging winds in a band from west to east across southeast South Dakota, mostly near Interstate 90, during the evening of August 2nd.

Hail in DAVISON, SOUTH DAKOTA
From 02-AUG-09 19:09:00 to 02-AUG-09 19:09:00 (CST-6)
Location: MITCHELL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in DAVISON, SOUTH DAKOTA
From 02-AUG-09 19:16:00 to 02-AUG-09 19:16:00 (CST-6)
Location: MITCHELL
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorm winds caused tree damage, including a 3 foot diameter tree blown down.

Thunderstorm Wind in MCCOOK, SOUTH DAKOTA
From 02-AUG-09 19:35:00 to 02-AUG-09 19:35:00 (CST-6)
Location: BRIDGEWATER
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorm winds were accompanied by one inch diameter hail.

Thunderstorm Wind in UNION, SOUTH DAKOTA
From 02-AUG-09 22:05:00 to 02-AUG-09 22:05:00 (CST-6)
Location: ALSEN
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds caused widespread tree and power line damage, including trees up to 16 inches in diameter blown down.

Hail in AURORA, SOUTH DAKOTA
From 02-AUG-09 18:46:00 to 02-AUG-09 18:46:00 (CST-6)
Location: STICKNEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail covered the ground.

Hail in DAVISON, SOUTH DAKOTA
From 02-AUG-09 19:04:00 to 02-AUG-09 19:04:00 (CST-6)
Location: MITCHELL
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in DAVISON, SOUTH DAKOTA
From 02-AUG-09 19:06:00 to 02-AUG-09 19:06:00 (CST-6)
Location: MITCHELL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Hail was accompanied by damaging winds.

Hail in HANSON, SOUTH DAKOTA
From 02-AUG-09 19:20:00 to 02-AUG-09 19:23:00 (CST-6)
Location: ALEXANDRIA
Magnitude: 2.00 
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Large hail broke windows in buildings and vehicles, and dented vehicles.

Hail in MCCOOK, SOUTH DAKOTA
From 02-AUG-09 19:35:00 to 02-AUG-09 19:35:00 (CST-6)
Location: BRIDGEWATER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Large hail was accompanied by wind gusts to 70 mph.

Thunderstorm Wind in DAVISON, SOUTH DAKOTA
From 02-AUG-09 19:06:00 to 02-AUG-09 19:12:00 (CST-6)
Location: MITCHELL
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm winds caused tree and power line damage, with brief resulting power outages. The tree damage included large branches blown down. The winds were accompanied by three quarter inch diameter hail.

Thunderstorm Wind in HANSON, SOUTH DAKOTA
From 02-AUG-09 19:20:00 to 02-AUG-09 19:20:00 (CST-6)
Location: ALEXANDRIA
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorm winds caused tree damage, including branches up to 5 inches in diameter and a few trees up to 10 inches in diameter blown down.

Thunderstorm Wind in DAVISON, SOUTH DAKOTA
From 02-AUG-09 18:55:00 to 02-AUG-09 18:55:00 (CST-6)
Location: MT VERNON
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorm winds caused tree damage, including up to 5 inch diameter branches blown down. The winds also blew patio furniture across a highway.