A surface trough moving through a very warm and unstable air mass provided the focus for scattered severe thunderstorms over north central Upper Michigan during the early morning of the 26th.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 02:00:00 to 26-AUG-13 02:05:00 (EST-5)
Location: CLARKSBURG
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer east of Champion reported large trees and branches down.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 02:05:00 to 26-AUG-13 02:10:00 (EST-5)
Location: GREENWOOD
Magnitude: 55.00 EG
Property damage: 18.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Two trees roughly a foot in diameter fell near the intersection of CR 478 and Highway M-28 west of Ishpeming.  One tree clipped the corner of a mobile home and another fell on a camper trailer and truck.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 02:05:00 to 26-AUG-13 02:10:00 (EST-5)
Location: GREENWOOD
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Forty-three trees were uprooted or snapped at Wawonowin Golf Course.  Some trees were up to two feet in diameter and all fell in the same direction.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 02:10:00 to 26-AUG-13 02:15:00 (EST-5)
Location: WEST ISHPEMING
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A few trees uprooted or snapped and branches broken off in the South Angeline/Salisbury/Terrace Street area south of Ishpeming.  One large branch fell on a car breaking the back window and doing additional body damage.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 02:25:00 to 26-AUG-13 02:29:00 (EST-5)
Location: MARQUETTE
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Broadcast Media

Part of large tree fell onto Wright Street near Fitch Avenue in Marquette and narrowly missed a house.

Thunderstorm Wind in LUCE, MICHIGAN
From 26-AUG-13 03:30:00 to 26-AUG-13 03:40:00 (EST-5)
Location: DEER PARK
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Luce County Emergency Manager reported trees down across northern Luce County.  A tree fell on a tent at the Blind Sucker Campground and at Muskallonge State Park power lines were down as well.  No injuries were reported.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 02:05:00 to 26-AUG-13 02:10:00 (EST-5)
Location: GREENWOOD
Magnitude: 60.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Broadcast Media

A one-foot diameter pine tree was down across Wawonowin Club Road.  The report was relayed via the local TV-6 station and was estimated from radar.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 01:58:00 to 26-AUG-13 02:03:00 (EST-5)
Location: BEACON
Magnitude: 55.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Public

Several large trees were reported down in the Van Riper State Park campground.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 02:05:00 to 26-AUG-13 02:10:00 (EST-5)
Location: GREENWOOD
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Numerous trees were reported down around Ishpeming...especially west and south of town.  The report was relayed through TV-6 news and social media, and the time of the report was estimated from radar.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 02:05:00 to 26-AUG-13 02:10:00 (EST-5)
Location: NORTH LAKE
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: NWS Employee

Isolated tree damage was reported around the area west of Ishpeming.  Most of the tree damage occurred in the area near the intersection of Randall/Greenwood/Hollyhock Streets.  The largest tree was a 10-12 inch diameter pine tree which was snapped near the base.  The time of the report was estimated from radar.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 26-AUG-13 02:15:00 to 26-AUG-13 02:19:00 (EST-5)
Location: PALMER
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

A large tree was knocked down at the intersection of Highway M-35 and County Road MP.  Time of the report was estimated from radar.

Lightning in MARQUETTE, MICHIGAN
From 26-AUG-13 02:08:00 to 26-AUG-13 02:09:00 (EST-5)
Location: (MQT)MARQUETTE CO AR
Property damage: 4.00K
Crop damage: 0.00K
Reported by: NWS Employee

A lightning strike damaged electronics equipment in a neighborhood northeast of Negaunee.