Thunderstorms produced damaging winds, large hail, very hevay rain, and two reported tornadoes over southeast South Dakota during the late afternoon and early evening of May 29th. The severe weather was south of Interstate 90, and mostly near the Missouri River. The heavy rain resulted in flash flooding in Bon Homme County.

Thunderstorm Wind in HUTCHINSON, SOUTH DAKOTA
From 29-MAY-08 17:50:00 to 29-MAY-08 17:50:00 (CST-6)
Location: CLAYTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Flash Flood in BON HOMME, SOUTH DAKOTA
From 29-MAY-08 17:59:00 to 29-MAY-08 19:00:00 (CST-6)
Location: BON HOMME COLONY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain from thunderstorms caused flooding of several roads, including South Dakota Highway 52 and some county roads.

Tornado in YANKTON, SOUTH DAKOTA
From 29-MAY-08 18:05:00 to 29-MAY-08 18:06:00 (CST-6)
Location: TALMO
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A brief tornado caused no reported damage.

Thunderstorm Wind in CLAY, SOUTH DAKOTA
From 29-MAY-08 18:10:00 to 29-MAY-08 18:10:00 (CST-6)
Location: WAKONDA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds caused roof damage to a large building and blew shingles off an outbuilding.

Tornado in CLAY, SOUTH DAKOTA
From 29-MAY-08 18:10:00 to 29-MAY-08 18:15:00 (CST-6)
Location: WAKONDA
Tornado F-scale: EF1
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado caused widespread tree damage, littering roads with tree debris.

Thunderstorm Wind in TURNER, SOUTH DAKOTA
From 29-MAY-08 18:10:00 to 29-MAY-08 18:10:00 (CST-6)
Location: CENTERVILLE
Magnitude: 69.00 EG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds blew down power lines and poles, and caused widespread tree damage. Two cars were crushed, and the roofs of at least two houses were damaged by falling trees.

Hail in CLAY, SOUTH DAKOTA
From 29-MAY-08 18:10:00 to 29-MAY-08 18:10:00 (CST-6)
Location: IRENE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in CLAY, SOUTH DAKOTA
From 29-MAY-08 18:17:00 to 29-MAY-08 18:21:00 (CST-6)
Location: WAKONDA
Tornado F-scale: EF1
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A tornado destroyed a barn, damaged or destroyed several outbuildings, scattered lumber across a field, and damaged trees and power lines.

Thunderstorm Wind in TURNER, SOUTH DAKOTA
From 29-MAY-08 18:35:00 to 29-MAY-08 18:35:00 (CST-6)
Location: CENTERVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm winds caused tree damage.

Thunderstorm Wind in LINCOLN, SOUTH DAKOTA
From 29-MAY-08 18:45:00 to 29-MAY-08 18:45:00 (CST-6)
Location: NORWAY CENTER
Magnitude: 57.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree damage, including up to 4 inch diameter branches blown down.

Hail in BON HOMME, SOUTH DAKOTA
From 29-MAY-08 16:50:00 to 29-MAY-08 16:50:00 (CST-6)
Location: TYNDALL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tornado in BON HOMME, SOUTH DAKOTA
From 29-MAY-08 17:13:00 to 29-MAY-08 17:14:00 (CST-6)
Location: KINGSBURG
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A brief tornado caused no reported damage.

Hail in BON HOMME, SOUTH DAKOTA
From 29-MAY-08 17:17:00 to 29-MAY-08 17:17:00 (CST-6)
Location: SPRINGFIELD
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CLAY, SOUTH DAKOTA
From 29-MAY-08 18:10:00 to 29-MAY-08 18:10:00 (CST-6)
Location: IRENE
Magnitude: 57.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm winds blew over three empty grain bins.

Thunderstorm Wind in CLAY, SOUTH DAKOTA
From 29-MAY-08 18:10:00 to 29-MAY-08 18:10:00 (CST-6)
Location: WAKONDA
Magnitude: 69.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm winds destroyed a farm building.

Hail in BON HOMME, SOUTH DAKOTA
From 29-MAY-08 17:25:00 to 29-MAY-08 17:25:00 (CST-6)
Location: TABOR
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in YANKTON, SOUTH DAKOTA
From 29-MAY-08 17:37:00 to 29-MAY-08 17:37:00 (CST-6)
Location: LESTERVILLE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in CLAY, SOUTH DAKOTA
From 29-MAY-08 18:23:00 to 29-MAY-08 18:25:00 (CST-6)
Location: WAKONDA
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Thunderstorm winds overturned a field irrigation system.