Several upper level disturbances in the southwest flow aloft helped to spark an episode of severe weather across eastern North Dakota and the northwest quarter of Minnesota. Numerous reports of large hail, strong winds, and heavy rain were received across these areas.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 20-JUN-13 20:00:00 to 20-JUN-13 20:00:00 (CST-6)
Location: BATTLE LAKE
Magnitude: 60.00 EG
Reported by: Broadcast Media

Numerous boats, boat lifts, and docks were blown onshore due to strong winds and wave action on Battle Lake.

Hail in CLAY, MINNESOTA
From 20-JUN-13 20:20:00 to 20-JUN-13 20:24:00 (CST-6)
Location: ROLLAG
Magnitude: 1.00 
Reported by: Public

Dime to quarter sized hail fell.

Hail in OTTER TAIL, MINNESOTA
From 20-JUN-13 20:25:00 to 20-JUN-13 20:25:00 (CST-6)
Location: OTTERTAIL
Magnitude: 1.00 
Reported by: Public

Pea to quarter sized hail fell at the Molls Berry Farm.

Hail in OTTER TAIL, MINNESOTA
From 20-JUN-13 20:40:00 to 20-JUN-13 20:40:00 (CST-6)
Location: RICHVILLE
Magnitude: 1.25 
Reported by: Public

Hail in OTTER TAIL, MINNESOTA
From 20-JUN-13 20:57:00 to 20-JUN-13 20:57:00 (CST-6)
Location: OTTERTAIL
Magnitude: 1.75 
Reported by: Trained Spotter

Hail in OTTER TAIL, MINNESOTA
From 20-JUN-13 20:57:00 to 20-JUN-13 20:57:00 (CST-6)
Location: RICHVILLE
Magnitude: 2.00 
Reported by: Trained Spotter

Hail in BECKER, MINNESOTA
From 20-JUN-13 21:10:00 to 20-JUN-13 21:10:00 (CST-6)
Location: FRAZEE
Magnitude: 1.25 
Reported by: Public

Hail in NORMAN, MINNESOTA
From 20-JUN-13 18:10:00 to 20-JUN-13 18:13:00 (CST-6)
Location: HENDRUM
Magnitude: 2.50 
Reported by: Law Enforcement

Golf ball to hen egg to tennis ball sized hail fell.

Hail in NORMAN, MINNESOTA
From 20-JUN-13 18:14:00 to 20-JUN-13 18:14:00 (CST-6)
Location: HALSTAD
Magnitude: 1.00 
Reported by: Law Enforcement

Hail in NORMAN, MINNESOTA
From 20-JUN-13 18:22:00 to 20-JUN-13 18:22:00 (CST-6)
Location: ANTHONY
Magnitude: 1.00 
Reported by: Law Enforcement

Hail in BECKER, MINNESOTA
From 20-JUN-13 19:30:00 to 20-JUN-13 19:30:00 (CST-6)
Location: LAKE PARK
Magnitude: 1.00 
Reported by: Broadcast Media

Quarter sized hail and strong winds were reported along the north side of Big Cormorant Lake.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 20-JUN-13 19:35:00 to 20-JUN-13 19:35:00 (CST-6)
Location: DALTON
Magnitude: 55.00 EG
Reported by: Law Enforcement

A few six to eight inch diameter tree limbs were blown down. At least one garage roof was also damaged as a result.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 20-JUN-13 19:45:00 to 20-JUN-13 19:45:00 (CST-6)
Location: UNDERWOOD
Magnitude: 60.00 EG
Reported by: Law Enforcement

Many large tree branches were blown down and a few trees were toppled by the strong winds. Some small hail also fell along with over three inches of rain.

Hail in BECKER, MINNESOTA
From 20-JUN-13 21:13:00 to 20-JUN-13 21:13:00 (CST-6)
Location: CORMORANT
Magnitude: 1.25 
Reported by: CoCoRaHS

Thunderstorm Wind in WILKIN, MINNESOTA
From 20-JUN-13 22:20:00 to 20-JUN-13 22:20:00 (CST-6)
Location: ROTHSAY
Magnitude: 60.00 EG
Reported by: Law Enforcement

Several large trees and power lines were blown down. Many three to six inch diameter tree branches were also broken off in town.

Thunderstorm Wind in WADENA, MINNESOTA
From 20-JUN-13 23:30:00 to 20-JUN-13 23:30:00 (CST-6)
Location: VERNDALE
Magnitude: 50.00 MG
Reported by: Mesonet

The wind gust was measured by a MNDOT RWIS sensor along highway 10.

Thunderstorm Wind in GRANT, MINNESOTA
From 20-JUN-13 23:40:00 to 20-JUN-13 23:40:00 (CST-6)
Location: HOFFMAN
Magnitude: 61.00 EG
Reported by: Trained Spotter

The wind gust was estimated by a trained spotter.

High Wind in WILKIN, MINNESOTA
From 20-JUN-13 22:10:00 to 20-JUN-13 22:10:00 (CST-6)
Magnitude: 67.00 MG
Reported by: Mesonet

The wind was measured by a MNDOT RWIS sensor along Interstate 94.

High Wind in WADENA, MINNESOTA
From 21-JUN-13 02:30:00 to 21-JUN-13 02:30:00 (CST-6)
Magnitude: 50.00 MG
Reported by: Mesonet

A period of high winds followed behind earlier thunderstorm activity from west central into central Minnesota. A few trees were toppled or large branches broken down across portions of Wadena County.

Flood in OTTER TAIL, MINNESOTA
From 21-JUN-13 00:00:00 to 21-JUN-13 09:00:00 (CST-6)
Location: PERHAM
Flood cause: Heavy Rain
Property damage: 3.00K
Crop damage: 25.00K
Reported by: Law Enforcement

Runoff from heavy rains caused widespread flooding of local ditches, creeks, and fields across Corliss and Butler townships. County road eight east of county road 53 was closed for about half a day due to washouts along the shoulder. The city of Perham also experienced areas of street flooding.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 20-JUN-13 21:14:00 to 20-JUN-13 21:17:00 (CST-6)
Location: OTTER TAIL LAKE
Magnitude: 55.00 EG
Reported by: Trained Spotter

Strong thunderstorm winds caused widespread damage to boat docks, boat lifts, boats, and trees around Otter Tail Lake.

Thunderstorm Wind in BECKER, MINNESOTA
From 20-JUN-13 21:35:00 to 20-JUN-13 21:35:00 (CST-6)
Location: SNELLMAN
Magnitude: 60.00 EG
Reported by: Law Enforcement

Strong winds and large hail affected the southeast corner of Toad Lake Township. Winds lofted an open faced loafing shed and pulled several of the support posts out of the ground. Numerous large tree branches and limbs were broken down in farm yards resulting in some roof damage.

Thunderstorm Wind in WILKIN, MINNESOTA
From 20-JUN-13 21:45:00 to 20-JUN-13 21:45:00 (CST-6)
Location: WOLVERTON
Magnitude: 50.00 EG
Reported by: Trained Spotter

Three to five inch diameter tree branches were felled.

Hail in BECKER, MINNESOTA
From 20-JUN-13 21:55:00 to 20-JUN-13 21:55:00 (CST-6)
Location: CORMORANT
Magnitude: 1.00 
Reported by: Public