A tight surface pressure gradient set up across eastern North Dakota and portions of the northwest quarter of Minnesota, between an area of surface low pressure over west central South Dakota and a high north of the Great Lakes. Evening upper air observations on the 5th and morning upper air observations on the 6th measured 60 to 70 mph wind speeds just off the surface. Some of these 60 to 70 mph wind speeds were pushed down to the surface across southeast North Dakota and portions of west central Minnesota, causing scattered tree and property damage. Rain showers helped to mix the stronger winds down to the surface.

High Wind in CLAY, MINNESOTA
From 06-MAY-07 04:45:00 to 06-MAY-07 10:00:00 (CST-6)
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The highest wind gusts were measured by a MNDOT RWIS sensor about 5 miles east of Moorhead between 639 and 652 am CST. An AWOS at the Moorhead Airport (on the southeast edge of town) measured a 58 mph wind gust at 635 am CST. 5 miles northeast of Barnesville, a 70 foot tall elm tree was snapped about 15 feet off the ground, breaking nearby powerlines as it fell around 445 am CST.

High Wind in MAHNOMEN, MINNESOTA
From 06-MAY-07 06:08:00 to 06-MAY-07 10:00:00 (CST-6)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The wind gust was measured by a MNDOT RWIS sensor.

High Wind in NORMAN, MINNESOTA
From 06-MAY-07 08:08:00 to 06-MAY-07 10:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

High Wind in SOUTH CLEARWATER, MINNESOTA
From 06-MAY-07 08:08:00 to 06-MAY-07 10:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

High Wind in WILKIN, MINNESOTA
From 06-MAY-07 07:47:00 to 06-MAY-07 11:00:00 (CST-6)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A MNDOT RWIS sensor 1 mile northwest of Rothsay measured 62 mph wind gusts between 747 and 752 am CST. In Foxhome, a 50 foot tall tree was uprooted and roof damage was reported around 750 am CST.

High Wind in WEST OTTER TAIL, MINNESOTA
From 06-MAY-07 07:50:00 to 06-MAY-07 11:00:00 (CST-6)
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A MNDOT RWIS sensor 1 mile northwest of Rothsay (near the Wilkin and Otter Tail county border) measured 62 mph wind gusts between 747 and 752 am CST. In Vergas, trees and powerlines were blown down around 750 am CST. Trees, powerlines, and a building under construction were also toppled in Erhard around 750 am CST.

High Wind in EAST BECKER, MINNESOTA
From 06-MAY-07 08:10:00 to 06-MAY-07 10:00:00 (CST-6)
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The wind gust was measured by an AWOS at the Detroit Lakes airport at 815 am CST.

High Wind in EAST OTTER TAIL, MINNESOTA
From 06-MAY-07 07:45:00 to 06-MAY-07 10:00:00 (CST-6)
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A 40 foot tall pine tree and a pole barn were blown down 5 miles northwest of Perham. Pieces of the pole barn were blown into nearby powerlines. A restaurant, house, and dock were damaged near Rose Lake (4 miles southwest of Frazee) around 750 am CST. In the town of Battle Lake, a roof broke loose and damaged 2 pickup trucks and a nearby power pole at around 745 am CST.

High Wind in GRANT, MINNESOTA
From 06-MAY-07 08:00:00 to 06-MAY-07 10:00:00 (CST-6)
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

High Wind in WEST BECKER, MINNESOTA
From 06-MAY-07 07:50:00 to 06-MAY-07 10:00:00 (CST-6)
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The wind gust was measured by an AWOS at the Detroit Lakes airport at 815 am CST. A MNDOT RWIS sensor 1 mile west of Lake Park also measured a 59 mph wind gust between 817 and 828 am CST. In Frazee, trees and powerlines were blown down and several roofs were damaged around 750 am CST.