Thunderstorms produce numerous large hail and damaging wind events over a long stretch across southeast South Dakota near the Missouri River, from Gregory County in the west to Union County in the east. The severe weather took place dring the afternoon of May 6th.

Thunderstorm Wind in UNION, SOUTH DAKOTA
From 06-MAY-08 14:15:00 to 06-MAY-08 14:15:00 (CST-6)
Location: ALSEN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds caused tree damage, including several branches blown down.

Hail in CLAY, SOUTH DAKOTA
From 06-MAY-08 14:18:00 to 06-MAY-08 14:18:00 (CST-6)
Location: VERMILLION
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail was accompanied by heavy rain and 40 mph wind gusts.

Hail in UNION, SOUTH DAKOTA
From 06-MAY-08 15:29:00 to 06-MAY-08 15:29:00 (CST-6)
Location: ALSEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GREGORY, SOUTH DAKOTA
From 06-MAY-08 11:30:00 to 06-MAY-08 11:30:00 (CST-6)
Location: HERRICK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Large hail covered the ground.

Hail in CHARLES MIX, SOUTH DAKOTA
From 06-MAY-08 12:30:00 to 06-MAY-08 12:30:00 (CST-6)
Location: WAGNER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in BON HOMME, SOUTH DAKOTA
From 06-MAY-08 12:50:00 to 06-MAY-08 12:50:00 (CST-6)
Location: PERKINS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail covered the ground.

Hail in YANKTON, SOUTH DAKOTA
From 06-MAY-08 13:10:00 to 06-MAY-08 13:10:00 (CST-6)
Location: UTICA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BON HOMME, SOUTH DAKOTA
From 06-MAY-08 13:12:00 to 06-MAY-08 13:12:00 (CST-6)
Location: BON HOMME COLONY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in BON HOMME, SOUTH DAKOTA
From 06-MAY-08 13:15:00 to 06-MAY-08 13:15:00 (CST-6)
Location: BON HOMME COLONY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in YANKTON, SOUTH DAKOTA
From 06-MAY-08 13:25:00 to 06-MAY-08 13:25:00 (CST-6)
Location: YANKTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in YANKTON, SOUTH DAKOTA
From 06-MAY-08 13:30:00 to 06-MAY-08 13:30:00 (CST-6)
Location: (YKN)CHAN GURNEY ARP
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Hail in YANKTON, SOUTH DAKOTA
From 06-MAY-08 13:35:00 to 06-MAY-08 13:35:00 (CST-6)
Location: YANKTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in YANKTON, SOUTH DAKOTA
From 06-MAY-08 13:35:00 to 06-MAY-08 13:35:00 (CST-6)
Location: MISSION HILL
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds damaged a garage.

Thunderstorm Wind in YANKTON, SOUTH DAKOTA
From 06-MAY-08 13:47:00 to 06-MAY-08 13:47:00 (CST-6)
Location: VOLIN
Magnitude: 61.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds blew down power lines.

Hail in CLAY, SOUTH DAKOTA
From 06-MAY-08 14:10:00 to 06-MAY-08 14:10:00 (CST-6)
Location: HUB CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in CLAY, SOUTH DAKOTA
From 06-MAY-08 14:10:00 to 06-MAY-08 14:10:00 (CST-6)
Location: HUB CITY
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds caused tree damage and blew shingles off a roof.

Thunderstorm Wind in CLAY, SOUTH DAKOTA
From 06-MAY-08 14:14:00 to 06-MAY-08 14:14:00 (CST-6)
Location: DALESBURG
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GREGORY, SOUTH DAKOTA
From 06-MAY-08 11:20:00 to 06-MAY-08 11:22:00 (CST-6)
Location: CARLOCK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in UNION, SOUTH DAKOTA
From 06-MAY-08 15:37:00 to 06-MAY-08 15:37:00 (CST-6)
Location: MC COOK LAKE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter