Warm and humid conditions developed across northeastern Minnesota on the 27th ahead of a frontal boundary that stalled out across the region. Storms developed during the afternoon hours and were prolific hail producers and they moved through. Multiple reports of hail to the size of tennis balls were received. A few areas of wind damage were reported as well, primarily in the Duluth area.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:30:00 to 27-JUL-23 14:32:00 (CST-6)
Location: ENDION
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A mature maple tree with a diameter of 10 inches was down on the northeast corner of the UMD campus.

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:35:00 to 27-JUL-23 14:38:00 (CST-6)
Location: CLIFTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Several trees were bent or snapped about halfway up along the railroad tracks between Lakewood and McQuade roads.

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:52:00 to 27-JUL-23 14:54:00 (CST-6)
Location: CLIFTON
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:35:00 to 27-JUL-23 14:37:00 (CST-6)
Location: HUNTERS PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:44:00 to 27-JUL-23 14:46:00 (CST-6)
Location: LAKEWOOD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PINE, MINNESOTA
From 27-JUL-23 16:20:00 to 27-JUL-23 16:24:00 (CST-6)
Location: RUTLEDGE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:25:00 to 27-JUL-23 14:27:00 (CST-6)
Location: ARNOLD
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:30:00 to 27-JUL-23 14:32:00 (CST-6)
Location: HUNTERS PARK
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:33:00 to 27-JUL-23 14:35:00 (CST-6)
Location: HUNTERS PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:25:00 to 27-JUL-23 14:27:00 (CST-6)
Location: HUNTERS PARK
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:35:00 to 27-JUL-23 14:37:00 (CST-6)
Location: LAKEWOOD
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:30:00 to 27-JUL-23 14:32:00 (CST-6)
Location: HUNTERS PARK
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:40:00 to 27-JUL-23 14:42:00 (CST-6)
Location: LAKEWOOD
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:36:00 to 27-JUL-23 14:39:00 (CST-6)
Location: LAKEWOOD
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:15:00 to 27-JUL-23 14:17:00 (CST-6)
Location: ISLAND LAKE
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Hail in AITKIN, MINNESOTA
From 27-JUL-23 15:20:00 to 27-JUL-23 15:22:00 (CST-6)
Location: GIESE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PINE, MINNESOTA
From 27-JUL-23 15:45:00 to 27-JUL-23 15:47:00 (CST-6)
Location: WILLOW RIVER
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PINE, MINNESOTA
From 27-JUL-23 15:39:00 to 27-JUL-23 15:42:00 (CST-6)
Location: WILLOW RIVER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:37:00 to 27-JUL-23 14:39:00 (CST-6)
Location: HUNTERS PARK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

A few trees were down in the area as well.

Hail in PINE, MINNESOTA
From 27-JUL-23 18:00:00 to 27-JUL-23 18:02:00 (CST-6)
Location: MISSION CREEK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PINE, MINNESOTA
From 27-JUL-23 14:30:00 to 27-JUL-23 14:32:00 (CST-6)
Location: ELLSON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in PINE, MINNESOTA
From 27-JUL-23 16:01:00 to 27-JUL-23 16:03:00 (CST-6)
Location: MISSION CREEK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in ST. LOUIS, MINNESOTA
From 27-JUL-23 14:35:00 to 27-JUL-23 14:38:00 (CST-6)
Location: HUNTERS PARK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Several medium-sized trees snapped near the base that fell onto power lines.

Hail in PINE, MINNESOTA
From 27-JUL-23 16:10:00 to 27-JUL-23 16:12:00 (CST-6)
Location: RUTLEDGE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public