Several short-lived supercell thunderstorms moved across portions of west-central and into east-central Minnesota during the mid to late evening hours of Saturday, August 7th.  One of the severe thunderstorms produced a tornado near Evansville, Minnesota, with reports of straight-line wind damage as far east as the northern portions of the Twin Cities. These storms moved into west-central Wisconsin and produced more damaging winds.

Hail in MORRISON, MINNESOTA
From 07-AUG-10 19:03:00 to 07-AUG-10 19:03:00 (CST-6)
Location: LASTRUP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DOUGLAS, MINNESOTA
From 07-AUG-10 19:20:00 to 07-AUG-10 19:20:00 (CST-6)
Location: BRANDON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Thunderstorm Wind in MORRISON, MINNESOTA
From 07-AUG-10 21:05:00 to 07-AUG-10 21:05:00 (CST-6)
Location: LASTRUP
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A Minnesota Department of Transportion Weather Sensor, measured a wind gust of 51 knots near Lastrup, Minnesota.

Funnel Cloud in DOUGLAS, MINNESOTA
From 07-AUG-10 19:23:00 to 07-AUG-10 19:23:00 (CST-6)
Location: GARFIELD
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Funnel Cloud in DOUGLAS, MINNESOTA
From 07-AUG-10 19:26:00 to 07-AUG-10 19:26:00 (CST-6)
Location: HOLMES CITY
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Funnel Cloud in DOUGLAS, MINNESOTA
From 07-AUG-10 19:37:00 to 07-AUG-10 19:37:00 (CST-6)
Location: ALEXANDRIA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in DOUGLAS, MINNESOTA
From 07-AUG-10 19:51:00 to 07-AUG-10 19:51:00 (CST-6)
Location: CARLOS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winds were estimated around 45 mph, along with dime size hail and 1.18 inches of rainfall.

Hail in STEARNS, MINNESOTA
From 07-AUG-10 20:03:00 to 07-AUG-10 20:03:00 (CST-6)
Location: ST JOSEPH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in STEARNS, MINNESOTA
From 07-AUG-10 20:22:00 to 07-AUG-10 20:22:00 (CST-6)
Location: ST JOSEPH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SHERBURNE, MINNESOTA
From 07-AUG-10 22:40:00 to 07-AUG-10 22:40:00 (CST-6)
Location: ELK RIVER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in WASHINGTON, MINNESOTA
From 08-AUG-10 00:28:00 to 08-AUG-10 00:30:00 (CST-6)
Location: FOREST LAKE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was uprooted near Forest Lake, Minnesota.

Funnel Cloud in TODD, MINNESOTA
From 07-AUG-10 18:20:00 to 07-AUG-10 18:21:00 (CST-6)
Location: BERTHA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Funnel Cloud in TODD, MINNESOTA
From 07-AUG-10 19:12:00 to 07-AUG-10 19:13:00 (CST-6)
Location: BERTHA
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A funnel cloud was reported near County Road 22, and County Road 1.

Thunderstorm Wind in DOUGLAS, MINNESOTA
From 07-AUG-10 19:15:00 to 07-AUG-10 19:17:00 (CST-6)
Location: BRANDON
Magnitude: 52.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several trees and power lines were blown down north of Brandon, Minnesota.

Hail in DOUGLAS, MINNESOTA
From 07-AUG-10 19:36:00 to 07-AUG-10 19:36:00 (CST-6)
Location: GARFIELD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tornado in DOUGLAS, MINNESOTA
From 07-AUG-10 19:05:00 to 07-AUG-10 19:12:00 (CST-6)
Location: EVANSVILLE
Tornado F-scale: EF1
Property damage: 25.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A National Weather Service Storm Damage Survey from the Grand Forks, North Dakota Office determined that an EF-1 tornado touched down about one mile north of Wendell in Grant County, and had an intermittent track east-southeast through Grant County.  It then moved east across northwestern Douglas County to the south side of Evansville, before lifting. Total path length from Grant County into Douglas County was about 21 miles. Damage was confined to large trees, but several power poles were blown down in Evansville, causing a city wide power outage.

Thunderstorm Wind in STEARNS, MINNESOTA
From 07-AUG-10 21:23:00 to 07-AUG-10 21:25:00 (CST-6)
Location: ST JOSEPH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was uprooted near St. Joseph, Minnesota.

Thunderstorm Wind in MILLE LACS, MINNESOTA
From 07-AUG-10 21:30:00 to 07-AUG-10 21:33:00 (CST-6)
Location: MILACA MUNI ARPT
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Severe straight-line winds caused a patio awning to blow away, a port-a-potty to blow over, and several 2-3 inch diameter tree limbs to be torn off a large tree. In addition, the northern portion of Milaca, Minnesota, lost power.