For this event, the 500mb pattern featured ridging over eastern Minnesota and Wisconsin, with south-southwest flow over eastern North Dakota and the northwest quarter of Minnesota. At the surface, by the early afternoon of June 8th, a cold front had set up along a line from Cavalier to Oakes, North Dakota, with the Red River Valley into adjacent areas of the northwest quarter of Minnesota in the warm sector. In this warm sector, temperatures ranged in the 80s with dew points around 70. By the mid afternoon, thunderstorms initially formed along the boundary over northeast North Dakota and tracked into the far northwest corner of Minnesota. By late afternoon, additional storms formed around Cooperstown, North Dakota, and also tracked northeast into the far northwest corner of Minnesota. Kittson County, Minnesota, received several rounds of heavy rainfall. By mid evening, most storms tracked between Thief River Falls and Lake of the Woods. Finally, more storms formed and tracked across portions of west central Minnesota during the early morning hours of June 9th.

Tornado in MARSHALL, MINNESOTA
From 08-JUN-20 18:17:00 to 08-JUN-20 18:32:00 (CST-6)
Location: MIDDLE RIVER
Tornado F-scale: EF1
Property damage: 6.00K
Reported by: NWS Storm Survey

This tornado was viewed and recorded by at least two chase teams as it tracked intermittently for about 9 miles. The tornado snapped numerous trees in groves along its path, spreading debris up to 300 yards wide across one roadway. Peak winds were estimated at 100 mph.

Tornado in LAKE OF THE WOODS, MINNESOTA
From 08-JUN-20 19:45:00 to 08-JUN-20 19:50:00 (CST-6)
Location: FAUNCE
Tornado F-scale: EF1
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado tracked for about 1.2 miles, uprooting trees along the Faunce-Butterfield Road, roughly four miles west-southwest of the Norris Camp DNR station. Peak winds were estimated at 107 mph.

Thunderstorm Wind in ROSEAU, MINNESOTA
From 08-JUN-20 19:50:00 to 08-JUN-20 19:50:00 (CST-6)
Location: MALUNG
Magnitude: 56.00 EG
Reported by: Public

The roof was peeled off a pole barn.

Hail in LAKE OF THE WOODS, MINNESOTA
From 08-JUN-20 20:15:00 to 08-JUN-20 20:15:00 (CST-6)
Location: GRACETON
Magnitude: 2.00 
Reported by: Social Media

Hail in ROSEAU, MINNESOTA
From 08-JUN-20 20:33:00 to 08-JUN-20 20:33:00 (CST-6)
Location: WANNASKA
Magnitude: 1.75 
Reported by: Public

The hail was mainly quarter sized.

Hail in ROSEAU, MINNESOTA
From 08-JUN-20 20:55:00 to 08-JUN-20 20:55:00 (CST-6)
Location: MANDUS
Magnitude: 1.00 
Reported by: Public

Very heavy rain accompanied the hail.

Hail in OTTER TAIL, MINNESOTA
From 08-JUN-20 23:38:00 to 08-JUN-20 23:38:00 (CST-6)
Location: VINING
Magnitude: 1.25 
Reported by: Public

Quarter to half dollar sized hail was accompanied by very heavy rain.

Hail in WADENA, MINNESOTA
From 09-JUN-20 00:30:00 to 09-JUN-20 00:30:00 (CST-6)
Location: SEBEKA
Magnitude: 1.00 
Reported by: Trained Spotter

Very heavy rain, strong winds, and large hail fell.

Thunderstorm Wind in WADENA, MINNESOTA
From 09-JUN-20 00:40:00 to 09-JUN-20 00:40:00 (CST-6)
Location: MENAHGA
Magnitude: 56.00 EG
Reported by: Social Media

A few trees were snapped.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 09-JUN-20 01:32:00 to 09-JUN-20 01:32:00 (CST-6)
Location: (FFM)FERGUS FALLS AR
Magnitude: 53.00 MG
Reported by: AWOS

The wind gust was measured at the Fergus Falls airport.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 09-JUN-20 01:33:00 to 09-JUN-20 01:33:00 (CST-6)
Location: FERGUS FALLS
Magnitude: 56.00 MG
Reported by: Mesonet

The wind gust was measured by a personal weather station.

Thunderstorm Wind in WILKIN, MINNESOTA
From 09-JUN-20 01:37:00 to 09-JUN-20 01:37:00 (CST-6)
Location: ROTHSAY
Magnitude: 59.00 MG
Reported by: Mesonet

The wind gust was measured by a RWIS mesonet station. Local power outages also occurred.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 09-JUN-20 01:42:00 to 09-JUN-20 01:42:00 (CST-6)
Location: FERGUS FALLS
Magnitude: 53.00 MG
Reported by: Mesonet

The wind gust was measured at the Prairie Wetlands Center.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 09-JUN-20 01:55:00 to 09-JUN-20 01:55:00 (CST-6)
Location: PELICAN RAPIDS
Magnitude: 56.00 EG
Reported by: Social Media

Large trees were blown down along highway 59, just north of county road 4.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 09-JUN-20 01:58:00 to 09-JUN-20 01:58:00 (CST-6)
Location: BATTLE LAKE MUNI ARP
Magnitude: 56.00 EG
Reported by: Broadcast Media

Numerous trees and tree limbs were blown down, leading to some structural damage on the southern end of Otter Tail Lake.

Thunderstorm Wind in OTTER TAIL, MINNESOTA
From 09-JUN-20 02:06:00 to 09-JUN-20 02:06:00 (CST-6)
Location: VERGAS
Magnitude: 52.00 EG
Reported by: Social Media

A tree was blown down near Long Lake.

Thunderstorm Wind in BELTRAMI, MINNESOTA
From 09-JUN-20 03:45:00 to 09-JUN-20 03:45:00 (CST-6)
Location: WILTON
Magnitude: 61.00 EG
Reported by: Emergency Manager

Trees were blown down and a wooden sign was snapped.

Hail in KITTSON, MINNESOTA
From 08-JUN-20 14:40:00 to 08-JUN-20 14:40:00 (CST-6)
Location: KENNEDY
Magnitude: 2.00 
Reported by: Social Media

One to two inch diameter hail nearly covered the ground.

Thunderstorm Wind in KITTSON, MINNESOTA
From 08-JUN-20 14:40:00 to 08-JUN-20 14:40:00 (CST-6)
Location: KENNEDY
Magnitude: 65.00 EG
Reported by: Public

Large trees were blown down.

Funnel Cloud in KITTSON, MINNESOTA
From 08-JUN-20 14:52:00 to 08-JUN-20 14:52:00 (CST-6)
Location: LAKE BRONSON
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

The funnel cloud lasted for less than a minute.

Hail in KITTSON, MINNESOTA
From 08-JUN-20 15:01:00 to 08-JUN-20 15:01:00 (CST-6)
Location: LAKE BRONSON ARPT
Magnitude: 3.00 
Reported by: Social Media

The hail ranged in size from 2 to 3 inches in diameter.

Hail in KITTSON, MINNESOTA
From 08-JUN-20 15:30:00 to 08-JUN-20 15:30:00 (CST-6)
Location: CARIBOU
Magnitude: 1.25 
Reported by: Public

Thunderstorm Wind in ROSEAU, MINNESOTA
From 08-JUN-20 15:40:00 to 08-JUN-20 15:40:00 (CST-6)
Location: PINECREEK
Magnitude: 56.00 EG
Reported by: Social Media

Several trees were blown down.

Hail in POLK, MINNESOTA
From 08-JUN-20 17:02:00 to 08-JUN-20 17:02:00 (CST-6)
Location: NORTHLAND
Magnitude: 1.00 
Reported by: Public

Heavy rain accompanied the hail.

Thunderstorm Wind in WILKIN, MINNESOTA
From 09-JUN-20 01:10:00 to 09-JUN-20 01:10:00 (CST-6)
Location: BRECKENRIDGE
Magnitude: 65.00 EG
Reported by: Public

Numerous trees and power lines were blown down in the Wahpeton-Breckenridge area.

Thunderstorm Wind in MARSHALL, MINNESOTA
From 08-JUN-20 17:05:00 to 08-JUN-20 17:05:00 (CST-6)
Location: ALVARADO
Magnitude: 61.00 EG
Reported by: NWS Storm Survey

Numerous cottonwood and ash trees were snapped or uprooted around town.

Thunderstorm Wind in LAKE OF THE WOODS, MINNESOTA
From 08-JUN-20 17:15:00 to 08-JUN-20 17:15:00 (CST-6)
Location: LUDE
Magnitude: 52.00 EG
Reported by: Public

Heavy rain and strong winds were observed at Oak Island Resort.

Thunderstorm Wind in MARSHALL, MINNESOTA
From 08-JUN-20 17:40:00 to 08-JUN-20 17:40:00 (CST-6)
Location: VIKING
Magnitude: 61.00 EG
Reported by: Public

Several poplar and ash trees were blown down in a farm yard.

Funnel Cloud in MARSHALL, MINNESOTA
From 08-JUN-20 18:29:00 to 08-JUN-20 18:29:00 (CST-6)
Location: MIDDLE RIVER
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MARSHALL, MINNESOTA
From 08-JUN-20 18:42:00 to 08-JUN-20 18:42:00 (CST-6)
Location: THIEF LAKE REFUGE
Magnitude: 56.00 EG
Reported by: NWS Storm Survey

Several trees were snapped in a farm yard.

Hail in ROSEAU, MINNESOTA
From 08-JUN-20 19:18:00 to 08-JUN-20 19:18:00 (CST-6)
Location: WINNER
Magnitude: 1.25 
Reported by: Public

Thunderstorm Wind in RED LAKE, MINNESOTA
From 08-JUN-20 19:30:00 to 08-JUN-20 19:30:00 (CST-6)
Location: PLUMMER
Magnitude: 52.00 EG
Reported by: NWS Storm Survey

A few large tree branches were blown down in shelterbelts.

Hail in LAKE OF THE WOODS, MINNESOTA
From 08-JUN-20 19:50:00 to 08-JUN-20 19:50:00 (CST-6)
Location: FAUNCE
Magnitude: 1.75 
Reported by: Park/Forest Service

The hail fell at the Norris Camp DNR station.