A rapidly deepening low pressure system lifting northeast of Upper Michigan into Ontario caused damaging winds across much of Upper Michigan near Lake Superior from the 14th into the early morning of the 17th.

High Wind in ONTONAGON, MICHIGAN
From 14-OCT-11 19:15:00 to 14-OCT-11 19:20:00 (EST-5)
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several healthy pine trees were knocked down near Merriweather along Highway M-28.  Exact size of the trees was unknown.

High Wind in KEWEENAW, MICHIGAN
From 14-OCT-11 20:00:00 to 14-OCT-11 20:05:00 (EST-5)
Magnitude: 55.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The Lac La Belle Fire Department reported an 18-inch diameter tree down across the road at the fire station.  Several trees were down on power lines near Eagle Harbor.

High Wind in NORTHERN HOUGHTON, MICHIGAN
From 15-OCT-11 11:00:00 to 15-OCT-11 12:00:00 (EST-5)
Magnitude: 60.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous trees were reported down near Laurium including two 24-inch diameter trees next to the Calumet High School.  Time of the event was estimated.

High Wind in LUCE, MICHIGAN
From 15-OCT-11 15:00:00 to 15-OCT-11 18:15:00 (EST-5)
Magnitude: 55.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Luce County Sheriff reported numerous trees down across the county resulting in several power outages.

High Wind in ALGER, MICHIGAN
From 16-OCT-11 13:08:00 to 16-OCT-11 13:12:00 (EST-5)
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts measured at the Grand Marais GLOS site.

High Wind in ONTONAGON, MICHIGAN
From 16-OCT-11 17:00:00 to 16-OCT-11 17:05:00 (EST-5)
Magnitude: 55.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

Ten-inch diameter maple tree snapped in half near Silver City.  No leaves were on the tree.

High Wind in ALGER, MICHIGAN
From 16-OCT-11 19:40:00 to 16-OCT-11 19:45:00 (EST-5)
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gust measured by the GLOS site in Grand Marais.

High Wind in KEWEENAW, MICHIGAN
From 16-OCT-11 20:00:00 to 17-OCT-11 04:00:00 (EST-5)
Magnitude: 55.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Keweenaw County Sheriff reported several trees down due to high winds overnight...including near Eagle River, across Highway US-41 near Lake Medora and Five-Mile Road near Allouez.  Time of the event was estimated from the Portage Lake GLOS site and the Houghton County Airport ASOS.

High Wind in NORTHERN HOUGHTON, MICHIGAN
From 16-OCT-11 20:00:00 to 17-OCT-11 04:00:00 (EST-5)
Magnitude: 55.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The State Police Post reported trees down across the county overnight, including trees on power lines. Time of the report was estimated based on wind gusts at the Portage Canal GLOS and the Houghton County Airport ASOS.

High Wind in LUCE, MICHIGAN
From 15-OCT-11 15:00:00 to 15-OCT-11 16:00:00 (EST-5)
Magnitude: 60.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several trees were reported down across the road near Pine Stump Junction.  Several three-foot diameter trees were reported down near the Pike Lake area along County Road 414.  Time was estimated from highest winds at Grand Marais GLOS.

High Wind in ALGER, MICHIGAN
From 15-OCT-11 02:00:00 to 15-OCT-11 02:30:00 (EST-5)
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Measured wind gust at GLOS site in Grand Marais.

High Wind in MARQUETTE, MICHIGAN
From 15-OCT-11 02:00:00 to 15-OCT-11 02:15:00 (EST-5)
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Numerous large trees down on a private residence in Trowbridge Park during the night.