An area of storms developed along a frontal boundary to the north of the International Border during the early morning hours of the 18th. As these storms moved into northeastern Minnesota from Ontario, they were able to tap into some lingering instability and produce damaging wind gusts as they dropped to the south. Tree damage was reported along the path of this line of storms with most of the reports coming in later in the morning, well after the storms had passed.

Thunderstorm Wind in KOOCHICHING, MINNESOTA
From 17-JUL-22 23:42:00 to 17-JUL-22 23:44:00 (CST-6)
Location: INTERNATIONAL FALLS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous trees and powerlines were downed by the winds.

Thunderstorm Wind in KOOCHICHING, MINNESOTA
From 17-JUL-22 23:48:00 to 17-JUL-22 23:50:00 (CST-6)
Location: (INL)INTL FALLS ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Three birch trees snapped in half during the storm.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-JUL-22 00:54:00 to 18-JUL-22 00:56:00 (CST-6)
Location: TOWER MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Approximately twenty-five trees were snapped or uprooted. Tree sizes varied from eight to ten inches in diameter. Several trees had fallen on campers. Additionally, a section of a dock was lofted onto a tent.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-JUL-22 00:54:00 to 18-JUL-22 00:56:00 (CST-6)
Location: TOWER MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A pontoon boat and a boat lift were lofted and turned upside down on Lake Vermilion.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-JUL-22 00:55:00 to 18-JUL-22 00:57:00 (CST-6)
Location: SOUDAN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees were downed along the shore of Lake Vermilion.

Thunderstorm Wind in ITASCA, MINNESOTA
From 18-JUL-22 02:36:00 to 18-JUL-22 02:38:00 (CST-6)
Location: (GPZ)GRAND RAPIDS AR
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees were downed in the area.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-JUL-22 01:12:00 to 18-JUL-22 01:14:00 (CST-6)
Location: SALO CORNER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees were downed along Minnesota Highway 135 with the largest being a 14 inch spruce.

Thunderstorm Wind in AITKIN, MINNESOTA
From 18-JUL-22 03:02:00 to 18-JUL-22 03:04:00 (CST-6)
Location: MINNEWAWA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A tree was knocked down during the storm.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-JUL-22 00:49:00 to 18-JUL-22 00:51:00 (CST-6)
Location: TOWER MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A tree and powerlines were down along Minnesota Highway 1 west of Tower.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-JUL-22 01:00:00 to 18-JUL-22 01:02:00 (CST-6)
Location: TOWER MUNI ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A couple of 40 to 50 foot tall trees were downed with another large tree knocked down onto a powerline as well.