A cold front, upper level shortwave trough, and lake breeze set off thunderstorms on the afternoon of May 14th.  Widespread large hail fell from northwest of Duluth in the Twig, Caribou Lake and Pike Lake areas and in Duluth, east of the Piedmont Heights neighborhood. The hail dented cars and damaged roofs of houses. Total damage was roughly estimated at $700,000.

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:23:00 to 14-MAY-07 15:23:00 (CST-6)
Location: DULUTH HGTS
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

One to 2 inch diameter hail fell in Lakewood Township.

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:20:00 to 14-MAY-07 15:20:00 (CST-6)
Location: DULUTH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The hail fell at the Kenwood Shopping Center.

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:15:00 to 14-MAY-07 15:15:00 (CST-6)
Location: DULUTH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Golf ball size hail fell at the Duluth NWS office.

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:10:00 to 14-MAY-07 15:10:00 (CST-6)
Location: TWIG
Magnitude: 3.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:15:00 to 14-MAY-07 15:15:00 (CST-6)
Location: PIKE LAKE
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tennis ball size hail fell at Pike Lake.

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:25:00 to 14-MAY-07 15:25:00 (CST-6)
Location: DULUTH HGTS
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The hail fell in Rice Lake Township.

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:30:00 to 14-MAY-07 15:30:00 (CST-6)
Location: DULUTH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The hail fell at the University of Minnesota Duluth campus.

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:32:00 to 14-MAY-07 15:32:00 (CST-6)
Location: DULUTH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

The hail fell at Canal Park.

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:35:00 to 14-MAY-07 15:35:00 (CST-6)
Location: DULUTH
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The hail fell in the Morley Heights neighborhood.

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 14:11:00 to 14-MAY-07 14:11:00 (CST-6)
Location: ALBORN
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 14:55:00 to 14-MAY-07 14:55:00 (CST-6)
Location: TWIG
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:00:00 to 14-MAY-07 15:00:00 (CST-6)
Location: TWIG
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. LOUIS, MINNESOTA
From 14-MAY-07 15:10:00 to 14-MAY-07 15:10:00 (CST-6)
Location: DULUTH
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

The hail fell at the Duluth NWS office.