Thunderstorms produced damaging winds, large hail, and tornadoes over a large part of southeast South Dakota during the late afternoon and early evening of May 30th.

Hail in CHARLES MIX, SOUTH DAKOTA
From 30-MAY-11 17:03:00 to 30-MAY-11 17:03:00 (CST-6)
Location: PICKSTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in CHARLES MIX, SOUTH DAKOTA
From 30-MAY-11 17:09:00 to 30-MAY-11 17:09:00 (CST-6)
Location: WAGNER ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm winds caused tree damage, including branches blown down.

Thunderstorm Wind in BEADLE, SOUTH DAKOTA
From 30-MAY-11 17:18:00 to 30-MAY-11 17:18:00 (CST-6)
Location: BONILLA
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds overturned a camper.

Tornado in CHARLES MIX, SOUTH DAKOTA
From 30-MAY-11 17:26:00 to 30-MAY-11 17:27:00 (CST-6)
Location: DANTE
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 CHARLES MIX, SOUTH DAKOTA
From 30-MAY-11 17:28:00 to 30-MAY-11 17:28:00 (CST-6)
Location: DANTE
Magnitude: 70.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms winds caused tree damage.

Thunderstorm Wind in HUTCHINSON, SOUTH DAKOTA
From 30-MAY-11 17:40:00 to 30-MAY-11 17:40:00 (CST-6)
Location: TRIPP
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree damage, including a few branches blown down.

Hail in CHARLES MIX, SOUTH DAKOTA
From 30-MAY-11 17:45:00 to 30-MAY-11 17:45:00 (CST-6)
Location: PICKSTOWN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CHARLES MIX, SOUTH DAKOTA
From 30-MAY-11 18:02:00 to 30-MAY-11 18:02:00 (CST-6)
Location: RAVINIA
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail damaged a few vehicles.

Hail in DOUGLAS, SOUTH DAKOTA
From 30-MAY-11 18:20:00 to 30-MAY-11 18:20:00 (CST-6)
Location: DELMONT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HANSON, SOUTH DAKOTA
From 30-MAY-11 18:23:00 to 30-MAY-11 18:23:00 (CST-6)
Location: FULTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CHARLES MIX, SOUTH DAKOTA
From 30-MAY-11 18:30:00 to 30-MAY-11 18:30:00 (CST-6)
Location: GREENWOOD
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CHARLES MIX, SOUTH DAKOTA
From 30-MAY-11 18:35:00 to 30-MAY-11 18:35:00 (CST-6)
Location: DANTE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MCCOOK, SOUTH DAKOTA
From 30-MAY-11 19:04:00 to 30-MAY-11 19:04:00 (CST-6)
Location: SALEM
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in MCCOOK, SOUTH DAKOTA
From 30-MAY-11 19:04:00 to 30-MAY-11 19:04:00 (CST-6)
Location: SPENCER
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail was wind driven and caused an unknown amount of damage to vehicles.

Thunderstorm Wind in MCCOOK, SOUTH DAKOTA
From 30-MAY-11 19:08:00 to 30-MAY-11 19:12:00 (CST-6)
Location: BRIDGEWATER
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds, including a gustnado, caused damage to trrees and power lines, damaged grain bins and farm buildings, destroyed a pig barn, and damaged farm equipment.

Tornado in LAKE, SOUTH DAKOTA
From 30-MAY-11 19:12:00 to 30-MAY-11 19:14:00 (CST-6)
Location: JUNIUS
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A brief tornado caused tree damage but no other reported damage.

Tornado in LAKE, SOUTH DAKOTA
From 30-MAY-11 19:22:00 to 30-MAY-11 19:23:00 (CST-6)
Location: RAMONA
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A brief tornado caused no reported damage.

Thunderstorm Wind in LAKE, SOUTH DAKOTA
From 30-MAY-11 19:40:00 to 30-MAY-11 19:42:00 (CST-6)
Location: MADISON
Magnitude: 56.00 MG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds blew down trees and power lines, causing a power outage. At least one house in Madison suffered minor damage from tree debris.

Thunderstorm Wind in BROOKINGS, SOUTH DAKOTA
From 30-MAY-11 20:10:00 to 30-MAY-11 20:10:00 (CST-6)
Location: (BKX)BROOKINGS MUNI
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm winds caused tree damage.

Thunderstorm Wind in HUTCHINSON, SOUTH DAKOTA
From 30-MAY-11 18:51:00 to 30-MAY-11 18:51:00 (CST-6)
Location: CLAYTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A gustnado was observed  by a trained spotter.

Thunderstorm Wind in MCCOOK, SOUTH DAKOTA
From 30-MAY-11 18:57:00 to 30-MAY-11 18:57:00 (CST-6)
Location: BRIDGEWATER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A gustnado was observed by a trained spotter.

Thunderstorm Wind in MCCOOK, SOUTH DAKOTA
From 30-MAY-11 19:08:00 to 30-MAY-11 19:12:00 (CST-6)
Location: SALEM
Magnitude: 70.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorm winds caused tree damage and blew down power lines in Salem, causing a power outage in Salem. The winds also caused heavy damage at two farmsteads east northeast of Salem. In addition to tree damage, at least four silos, three grain bins and four machine sheds were destroyed, and four augers, a grain cart, and a grain dryer were damaged. Two surviving trees stopped one destroyed grain bin from slamming into the house on one farmstead, while the house on another farmstead suffered minor damage from debris, including a piece of lumber from one machine shed blown into the roof.

Hail in HUTCHINSON, SOUTH DAKOTA
From 30-MAY-11 18:23:00 to 30-MAY-11 18:23:00 (CST-6)
Location: PARKSTON
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Trained Spotter

Large hail caused an unknown amount of damage to vehicles.