This episode of storms dealt with 4 distinct groupings. The first group of storms began near Nashua in southeast Wilkin County (MN) and tracked to the northeast. The second began near Lake Park in western Becker County (MN) and tracked to the east-northeast. The third began near Enderlin in northern Ransom County (ND) and tracked to the east-northeast. And finally, the fourth group of storms formed near Goodridge in northeast Pennington County (MN) and tracked to the east-northeast. These storms appeared to be elevated, forming near a tight 850 mb moisture gradient and a 35 to 45 knot low level jet. This event also had upper level jet support.

Hail in OTTER TAIL, MINNESOTA
From 21-SEP-07 00:14:00 to 21-SEP-07 00:14:00 (CST-6)
Location: BATTLE LAKE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in OTTER TAIL, MINNESOTA
From 21-SEP-07 00:49:00 to 21-SEP-07 00:49:00 (CST-6)
Location: WRIGHTSTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel to quarter sized hail fell.

Hail in CLAY, MINNESOTA
From 21-SEP-07 01:00:00 to 21-SEP-07 01:00:00 (CST-6)
Location: MANITOBA JCT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BECKER, MINNESOTA
From 21-SEP-07 01:05:00 to 21-SEP-07 01:05:00 (CST-6)
Location: LAKE PARK
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WADENA, MINNESOTA
From 21-SEP-07 01:05:00 to 21-SEP-07 01:05:00 (CST-6)
Location: VERNDALE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CLAY, MINNESOTA
From 21-SEP-07 02:05:00 to 21-SEP-07 02:05:00 (CST-6)
Location: MOORHEAD
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in GRANT, MINNESOTA
From 20-SEP-07 23:20:00 to 20-SEP-07 23:20:00 (CST-6)
Location: WENDELL
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in WILKIN, MINNESOTA
From 20-SEP-07 23:20:00 to 20-SEP-07 23:20:00 (CST-6)
Location: NASHUA
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in OTTER TAIL, MINNESOTA
From 21-SEP-07 00:26:00 to 21-SEP-07 00:26:00 (CST-6)
Location: FERGUS FALLS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OTTER TAIL, MINNESOTA
From 21-SEP-07 01:15:00 to 21-SEP-07 01:15:00 (CST-6)
Location: GRAND VIEW HGTS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail fell intermittently for roughly one-half hour. A few 3 inch diameter branches were also broken off trees.

Hail in CLAY, MINNESOTA
From 21-SEP-07 02:09:00 to 21-SEP-07 02:09:00 (CST-6)
Location: DILWORTH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter to golf ball sized hail fell in Dilworth.

Hail in CLAY, MINNESOTA
From 21-SEP-07 02:10:00 to 21-SEP-07 02:10:00 (CST-6)
Location: MOORHEAD ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in HUBBARD, MINNESOTA
From 21-SEP-07 02:13:00 to 21-SEP-07 02:30:00 (CST-6)
Location: HUBBARD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in CLAY, MINNESOTA
From 21-SEP-07 02:17:00 to 21-SEP-07 02:17:00 (CST-6)
Location: MOORHEAD
Magnitude: 3.00 
Property damage: 10.00M
Crop damage: 0.00K
Reported by: Public

The large hail left small 3 inch craters on lawns. Many vehicles and homes were damaged.

Hail in BECKER, MINNESOTA
From 21-SEP-07 02:45:00 to 21-SEP-07 02:45:00 (CST-6)
Location: OGEMA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorm Wind in MAHNOMEN, MINNESOTA
From 21-SEP-07 02:45:00 to 21-SEP-07 02:45:00 (CST-6)
Location: NAYTAHWAUSH
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Several large trees and tree branches were snapped on South Twin Lake. A fence was also damaged by falling tree branches.

Hail in CLEARWATER, MINNESOTA
From 21-SEP-07 04:02:00 to 21-SEP-07 04:02:00 (CST-6)
Location: LEONARD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAKE OF THE WOODS, MINNESOTA
From 21-SEP-07 07:10:00 to 21-SEP-07 07:10:00 (CST-6)
Location: FAUNCE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BELTRAMI, MINNESOTA
From 21-SEP-07 05:50:00 to 21-SEP-07 05:50:00 (CST-6)
Location: WASKISH
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in LAKE OF THE WOODS, MINNESOTA
From 21-SEP-07 07:35:00 to 21-SEP-07 07:35:00 (CST-6)
Location: CARP
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public