Several rounds of thunderstorms occurred Thursday afternoon and evening as warm air surged northward across the Plains, and into the Upper Midwest. A warm front extended across far southern Minnesota.  Two tornadoes formed along this front near St. James and Butternut, and moved northeast across parts of Watonwan and Blue Earth Counties. Another complex of severe thunderstorms developed near Waseca, and moved northeast across the southern Metro area, and into west central Wisconsin. Several reports of damaging winds occurred with this bow type thunderstorm complex Thursday afternoon.

Tornado in BLUE EARTH, MINNESOTA
From 08-MAY-14 16:11:00 to 08-MAY-14 16:13:00 (CST-6)
Location: BUTTERNUT
Tornado F-scale: EF0
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Storm Chaser

A tornado originated in extreme northeastern Watonwan County and traversed across extreme southeastern Brown County before moving into Blue Earth County. It was filmed by a storm chaser during its time in Blue Earth County. The tornado hit a farm and damaged the roofs of some hog barns and then dissipated.

Thunderstorm Wind in RICE, MINNESOTA
From 08-MAY-14 14:10:00 to 08-MAY-14 14:10:00 (CST-6)
Location: MORRISTOWN
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A measured wind gust occurred in the city of Morrisville.

Hail in MCLEOD, MINNESOTA
From 08-MAY-14 19:15:00 to 08-MAY-14 19:15:00 (CST-6)
Location: SUMTER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in MCLEOD, MINNESOTA
From 08-MAY-14 19:19:00 to 08-MAY-14 19:19:00 (CST-6)
Location: GLENCOE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tornado in WATONWAN, MINNESOTA
From 08-MAY-14 16:09:00 to 08-MAY-14 16:10:00 (CST-6)
Location: MADELIA
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a tornado touching down briefly in an open field in extreme northeastern Watonwan County before it moved into extreme southeastern Brown County and then Blue Earth County. The tornado was videotaped by a storm chaser when it was in Blue Earth County.

Tornado in BROWN, MINNESOTA
From 08-MAY-14 16:10:00 to 08-MAY-14 16:11:00 (CST-6)
Location: HANSKA
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tornado touched down in the extreme northeastern corner of Watonwan County before crossing the extreme southeast corner of Brown County. It continued into Blue Earth County. During its time crossing Brown County, it crossed open fields. The tornado was caught on video by a storm chaser when it was in Blue Earth County.

Thunderstorm Wind in WASECA, MINNESOTA
From 08-MAY-14 13:55:00 to 08-MAY-14 14:05:00 (CST-6)
Location: WASECA
Magnitude: 61.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Public

Many large trees and power poles were snapped off from south to north across the city of Waseca. Also, a large grain bin was destroyed north of Waseca.

Thunderstorm Wind in GOODHUE, MINNESOTA
From 08-MAY-14 14:50:00 to 08-MAY-14 15:00:00 (CST-6)
Location: GOODHUE
Magnitude: 61.00 EG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Severe thunderstorm winds caused damage to several roofs, included one barn destroyed and another barn damaged.  The rafters and walls of a building under construction were blown off between Goodhue and Red Wing.

Hail in WASECA, MINNESOTA
From 08-MAY-14 10:41:00 to 08-MAY-14 10:41:00 (CST-6)
Location: WASECA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HENNEPIN, MINNESOTA
From 08-MAY-14 10:49:00 to 08-MAY-14 10:49:00 (CST-6)
Location: BROOKLYN CENTER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in RENVILLE, MINNESOTA
From 08-MAY-14 16:48:00 to 08-MAY-14 16:48:00 (CST-6)
Location: LAKESIDE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SIBLEY, MINNESOTA
From 08-MAY-14 18:58:00 to 08-MAY-14 18:58:00 (CST-6)
Location: WINTHROP
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MCLEOD, MINNESOTA
From 08-MAY-14 18:50:00 to 08-MAY-14 18:50:00 (CST-6)
Location: FERNANDO
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SHERBURNE, MINNESOTA
From 08-MAY-14 20:05:00 to 08-MAY-14 20:05:00 (CST-6)
Location: ZIMMERMAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ISANTI, MINNESOTA
From 08-MAY-14 20:30:00 to 08-MAY-14 20:30:00 (CST-6)
Location: CAMBRIDGE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in CHISAGO, MINNESOTA
From 08-MAY-14 20:39:00 to 08-MAY-14 20:39:00 (CST-6)
Location: STARK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LE SUEUR, MINNESOTA
From 08-MAY-14 13:53:00 to 08-MAY-14 13:55:00 (CST-6)
Location: ELYSIAN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power lines and a transformer were damaged between Elysian and Waterville.

Thunderstorm Wind in SCOTT, MINNESOTA
From 08-MAY-14 14:40:00 to 08-MAY-14 14:40:00 (CST-6)
Location: ELKO NEW MARKET
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A large tree and telephone pole were blown down.

Thunderstorm Wind in DAKOTA, MINNESOTA
From 08-MAY-14 14:25:00 to 08-MAY-14 14:25:00 (CST-6)
Location: LAKEVILLE AIRLAKE AR
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A tree was blown down in the southern part of Lakeville.

Thunderstorm Wind in DAKOTA, MINNESOTA
From 08-MAY-14 14:42:00 to 08-MAY-14 14:42:00 (CST-6)
Location: LAKEVILLE
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Large windows were blown in at a local supermarket.

Thunderstorm Wind in GOODHUE, MINNESOTA
From 08-MAY-14 15:00:00 to 08-MAY-14 15:00:00 (CST-6)
Location: WACOUTA
Magnitude: 61.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Substantial damage occurred to a home south of Red Wing, east of the intersection of County Road 5, and Highway 58. The roof of the home was blown off to the north with debris noted across County Road 5.

Thunderstorm Wind in RICE, MINNESOTA
From 08-MAY-14 14:20:00 to 08-MAY-14 14:20:00 (CST-6)
Location: WEBSTER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was snapped in half near Webster.

Thunderstorm Wind in DAKOTA, MINNESOTA
From 08-MAY-14 14:30:00 to 08-MAY-14 14:30:00 (CST-6)
Location: LAKEVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Light poles were blown down north of Lakeville.

Thunderstorm Wind in HENNEPIN, MINNESOTA
From 08-MAY-14 15:14:00 to 08-MAY-14 15:14:00 (CST-6)
Location: MINNEAPOLIS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree limb, 10 to 12 inches in diameter, was blown off and landed on a power line.

Thunderstorm Wind in DAKOTA, MINNESOTA
From 08-MAY-14 14:30:00 to 08-MAY-14 14:35:00 (CST-6)
Location: LAKEVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was blown down between Lakeville and Apple Valley.

Thunderstorm Wind in DAKOTA, MINNESOTA
From 08-MAY-14 14:36:00 to 08-MAY-14 14:36:00 (CST-6)
Location: LAKEVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several large trees were blown down in the Oak Shores Drive area, east of Buck Hill.

Hail in REDWOOD, MINNESOTA
From 08-MAY-14 16:58:00 to 08-MAY-14 16:58:00 (CST-6)
Location: MORGAN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in RICE, MINNESOTA
From 08-MAY-14 14:15:00 to 08-MAY-14 14:15:00 (CST-6)
Location: SHIELDSVILLE
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A measured wind gust of 62 mph occurred near the intersection of County Road 37 and 10 near Hunt Lake.

Thunderstorm Wind in RICE, MINNESOTA
From 08-MAY-14 14:18:00 to 08-MAY-14 14:18:00 (CST-6)
Location: LITTLE CHICAGO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A 3 foot diameter tree was uprooted near Circle Lake.

Tornado in WATONWAN, MINNESOTA
From 08-MAY-14 15:51:00 to 08-MAY-14 15:54:00 (CST-6)
Location: BUTTERFIELD
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Tornado was witnessed and filmed my multiple storm chasers. It moved across open fields and caused no damage.

Hail in CARVER, MINNESOTA
From 08-MAY-14 19:40:00 to 08-MAY-14 19:40:00 (CST-6)
Location: NORWOOD YOUNG AMERICA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter