An area of low pressure moved across the Northland during the afternoon of the 18th. Storms developed ahead of an associated cold front and turned into a line of storms that worked across much of northeastern Minnesota and into northwest Wisconsin. The storms were mainly wind producers with numerous reports of trees down and minor structure damage as the moved through. Some hail was reported as well, but was mainly around an inch or less. An embedded EF-0 tornado was confirmed just north of the Duluth area and produced mainly tree damage.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:06:00 to 18-MAY-22 15:08:00 (CST-6)
Location: TWIG
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A photo was received showing a healthy spruce tree that was downed by the storm along with additional deciduous tree branches on the ground around it.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:10:00 to 18-MAY-22 15:12:00 (CST-6)
Location: PIKE LAKE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A photo was received showing a large pine tree down across power lines and a road near A+ Garden Center.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:12:00 to 18-MAY-22 15:14:00 (CST-6)
Location: FOUR CORNERS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree was reported down falling across an upper balcony porch of a house along Pike Lake.

Thunderstorm Wind in CARLTON, MINNESOTA
From 18-MAY-22 15:06:00 to 18-MAY-22 15:08:00 (CST-6)
Location: KETTLE RIVER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees of 4, 5 and 8 inches in diameter were blown down over Highway 73 south of Kettle River.

Thunderstorm Wind in ITASCA, MINNESOTA
From 18-MAY-22 13:45:00 to 18-MAY-22 13:47:00 (CST-6)
Location: BLACKBERRY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A photo was received showing a large broken tree branch along with a patio table umbrella that fell onto and through the table, breaking the glass top.

Thunderstorm Wind in PINE, MINNESOTA
From 18-MAY-22 16:43:00 to 18-MAY-22 16:45:00 (CST-6)
Location: STURGEON LAKE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A photo was received showing tipped over metal patio chairs and table.

Thunderstorm Wind in AITKIN, MINNESOTA
From 18-MAY-22 14:10:00 to 18-MAY-22 14:12:00 (CST-6)
Location: AITKIN
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees were reported down that were around a foot in diameter. A healthy tree was also snapped a few feet off the ground.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 14:54:00 to 18-MAY-22 14:56:00 (CST-6)
Location: PIKE LAKE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree fell onto a power line near the A+ Garden Center.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:12:00 to 18-MAY-22 15:14:00 (CST-6)
Location: TWIG
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A photo was received showing a large tree snapped off near the base and partially uprooted.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 14:57:00 to 18-MAY-22 14:59:00 (CST-6)
Location: GRAND LAKE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple photos were received of numerous large trees over 1 foot in diameter that were down or bent over. Some of the trees were uprooted and others were snapped near the base.

Thunderstorm Wind in ITASCA, MINNESOTA
From 18-MAY-22 13:35:00 to 18-MAY-22 13:37:00 (CST-6)
Location: TACONITE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Several trees 4 to 5 inches in diameter were down along with downed power lines due to trees falling on them.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:16:00 to 18-MAY-22 15:18:00 (CST-6)
Location: ARNOLD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A photo was received along with a report of numerous large pine trees down. Swaths or trees through the woods were also lost during the storm at the reporter's location.

Thunderstorm Wind in ITASCA, MINNESOTA
From 18-MAY-22 16:17:00 to 18-MAY-22 16:19:00 (CST-6)
Location: GRAND RAPIDS ARPT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Power poles were broken along with 3 inch diameter tree limbs down.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 14:55:00 to 18-MAY-22 14:57:00 (CST-6)
Location: PAYNE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tree damage and power outages were reported in the eastern part of Meadowland Township.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 14:55:00 to 18-MAY-22 14:57:00 (CST-6)
Location: SAGINAW
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large pine tree was uprooted.

Thunderstorm Wind in CROW WING, MINNESOTA
From 18-MAY-22 14:05:00 to 18-MAY-22 14:07:00 (CST-6)
Location: FIFTY LAKES
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Three sections of dock were blown into Goodrich Lake by the wind.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 14:47:00 to 18-MAY-22 14:49:00 (CST-6)
Location: GRAND LAKE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Numerous trees were reported down across roads and power lines by a local fire department.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 14:49:00 to 18-MAY-22 14:52:00 (CST-6)
Location: BROOKSTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A children's playhouse swingset fort was blown over and tossed around the yard.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:00:00 to 18-MAY-22 15:02:00 (CST-6)
Location: SAGINAW
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A few trees estimated to be 14 to 16 inches around and 5 to 6 inches in diameter were snapped.

Hail in CASS, MINNESOTA
From 18-MAY-22 13:34:00 to 18-MAY-22 13:36:00 (CST-6)
Location: BREVIK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ITASCA, MINNESOTA
From 18-MAY-22 12:52:00 to 18-MAY-22 12:54:00 (CST-6)
Location: MARCELL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:16:00 to 18-MAY-22 15:18:00 (CST-6)
Location: ARNOLD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A photo was received showing multiple decks ripped from the side of a hose along with missing roof shingles and several trees 12 inches in diameter that were down.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:18:00 to 18-MAY-22 15:20:00 (CST-6)
Location: ARNOLD
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple photos were received showing downed trees and power lines. Most trees were snapped near the base and only a few were uprooted. Multiple nearby homes had decks and roofs damaged as well. Estimates of over 100 trees were lost in a relatively small area that had stood for a long time.

Hail in ITASCA, MINNESOTA
From 18-MAY-22 12:56:00 to 18-MAY-22 12:58:00 (CST-6)
Location: ZEMPLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CASS, MINNESOTA
From 18-MAY-22 14:23:00 to 18-MAY-22 14:25:00 (CST-6)
Location: GULL LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ITASCA, MINNESOTA
From 18-MAY-22 13:33:00 to 18-MAY-22 13:36:00 (CST-6)
Location: GRAND RPDS SUGAR ARP
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in AITKIN, MINNESOTA
From 18-MAY-22 14:35:00 to 18-MAY-22 14:37:00 (CST-6)
Location: TAMARACK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in AITKIN, MINNESOTA
From 18-MAY-22 14:38:00 to 18-MAY-22 14:40:00 (CST-6)
Location: TAMARACK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in CARLTON, MINNESOTA
From 18-MAY-22 15:12:00 to 18-MAY-22 15:14:00 (CST-6)
Location: WRIGHT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:24:00 to 18-MAY-22 15:26:00 (CST-6)
Location: DULUTH INTL ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in PINE, MINNESOTA
From 18-MAY-22 16:00:00 to 18-MAY-22 16:03:00 (CST-6)
Location: SANDSTONE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PINE, MINNESOTA
From 18-MAY-22 15:30:00 to 18-MAY-22 15:32:00 (CST-6)
Location: GRONINGEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Lightning in ST. LOUIS, MINNESOTA
From 18-MAY-22 14:20:00 to 18-MAY-22 14:20:00 (CST-6)
Location: FRASER
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

A photo was received of a chimney on a home destroyed by a lightning strike.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:00:00 to 18-MAY-22 15:04:00 (CST-6)
Location: TWIG
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple small branches were downed by the winds along with a few large branches.

Thunderstorm Wind in AITKIN, MINNESOTA
From 18-MAY-22 14:50:00 to 18-MAY-22 14:53:00 (CST-6)
Location: EAST LAKE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A few roof shingles were blown off a home.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:17:00 to 18-MAY-22 15:19:00 (CST-6)
Location: ARNOLD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Dozens of trees were found to be bent or uprooted in the area.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:00:00 to 18-MAY-22 15:04:00 (CST-6)
Location: TWIG
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Around 50 trees were downed on the reporter's property on the east side of Grand Lake. Most trees were 12 to 16 inches in diameter with some completely uprooted. Some of the trees fell on power lines leading to power outages. The trees were all at least 30 years old. No structure damage was reported at the location.

Tornado in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:16:00 to 18-MAY-22 15:19:00 (CST-6)
Location: ARNOLD
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A brief tornado tracked approximately west to east from north of the intersection of Lismore Road and Arnold Road, across Eagle Lake Road, and then across Jean Duluth Road before ending near Lady Nicole Lane east of Jean Duluth Road. This tornado caused numerous tree damage along its path, with a consistent tree fall pattern indicative of a tornado, but was unlikely above EF-0 in strength. While a few trees were snapped near the base, the vast majority of tree damage was large branches and trees that have bent over, with a few uprooted trees. The estimated maximum wind speed of this tornado was 85 mph. There was no known property damage outside of the tree damage.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 18-MAY-22 15:06:00 to 18-MAY-22 15:09:00 (CST-6)
Location: TWIG
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees were uprooted with a few falling on power lines leading to power outages.

Thunderstorm Wind in AITKIN, MINNESOTA
From 18-MAY-22 14:15:00 to 18-MAY-22 14:17:00 (CST-6)
Location: CUTLER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Multiple trees around 20 inches in diameter were snapped and down across a road.