Several rounds of heavy rainfall led to signficant flash flooding in portions of east-central Minnesota, and west-central Wisconsin.  Several areas in the Twin Cities had signficant street flooding with isolated rainfall amounts of 2 to 5 inches occurring around the City of Minneapolis where several police cars and buses stalled in the flood waters.  Prior to the flooding, lines of strong to severe thunderstorms moved across southern and portions of east central Minnesota, where localized wind damage occurred.

Thunderstorm Wind in DAKOTA, MINNESOTA
From 10-AUG-10 21:10:00 to 10-AUG-10 21:11:00 (CST-6)
Location: FARMINGTON
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree limb was blown down, and fell on a truck near 225th Street, and Chippendale Avenue.

Flash Flood in HENNEPIN, MINNESOTA
From 10-AUG-10 22:45:00 to 11-AUG-10 00:00:00 (CST-6)
Location: MINNEAPOLIS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A few buses and police cars were stuck in water near Central Ave and 20th Street, north of downtown Minneapolis, Minnesota. Several observers across Hennepin County, especially near the downtown area, had between two and locally five inches  of rainfall between 8 and 11 pm.

Flash Flood in DAKOTA, MINNESOTA
From 10-AUG-10 22:00:00 to 11-AUG-10 00:00:00 (CST-6)
Location: FARMINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

County Road 50 was covered with six inches of water at one point east of Pilot Knob Road, near Farmington, Minnesota. In addition, 9 inches of water was reported along Chippendale Ave West, near Ash St, and Elm St.  1 to 2 feet of water was reported in fields south of 225th St. West. During the evening, several observers across Dakota County had measured rainfall amounts between three and five inches between 8 and 11 pm.

Funnel Cloud in SIBLEY, MINNESOTA
From 10-AUG-10 15:07:00 to 10-AUG-10 15:09:00 (CST-6)
Location: GREEN ISLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several reports of funnel clouds were observed around Green Isle, to Hamburg.

Thunderstorm Wind in ISANTI, MINNESOTA
From 10-AUG-10 16:10:00 to 10-AUG-10 16:11:00 (CST-6)
Location: OXLIP
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few power lines were blown down due to severe straight-line winds.

Thunderstorm Wind in REDWOOD, MINNESOTA
From 10-AUG-10 13:07:00 to 10-AUG-10 13:08:00 (CST-6)
Location: CLEMENTS
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Several large trees were blown down from near Clements, to one mile north of Clements, including one tree that fell on a car.

Thunderstorm Wind in SIBLEY, MINNESOTA
From 10-AUG-10 15:10:00 to 10-AUG-10 15:12:00 (CST-6)
Location: GREEN ISLE
Magnitude: 56.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous large 12-18 inch diameter trees were blown down along Highway 25 and near the intersection of Highway 25, and 158th Street. Also, a few power lines were knocked down due to the trees.

Flash Flood in RAMSEY, MINNESOTA
From 10-AUG-10 21:15:00 to 10-AUG-10 23:00:00 (CST-6)
Location: LITTLE CANADA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six inches of flowing water occurred at the intersection of County Road C2 and Marion Street. Rainfall reports from several observers in Ramsey County had between three and five inches between 8 and 11 pm. One observer reported 4 inches of rainfall in less than two hours.

Thunderstorm Wind in CHISAGO, MINNESOTA
From 10-AUG-10 17:51:00 to 10-AUG-10 17:51:00 (CST-6)
Location: LINDSTROM
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter measured a 59 knot wind gust at the intersection of Highway 8 and 14.