An upper disturbance approaching from the west interacted with a very warm and unstable air mass to produce severe thunderstorms over the west half portions of Upper Michigan on the morning of the 21st.

Thunderstorm Wind in GOGEBIC, MICHIGAN
From 21-JUL-16 03:51:00 to 21-JUL-16 03:56:00 (CST-6)
Location: JUNET
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Gogebic County Sheriff reported several trees down along Lake Road near Little Girls Point.

Thunderstorm Wind in GOGEBIC, MICHIGAN
From 21-JUL-16 04:16:00 to 21-JUL-16 04:21:00 (CST-6)
Location: WAKEFIELD
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Gogebic County Sheriff reported trees and power lines down in Wakefield.

Thunderstorm Wind in ONTONAGON, MICHIGAN
From 21-JUL-16 05:52:00 to 21-JUL-16 05:57:00 (EST-5)
Location: MASS
Magnitude: 56.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Gogebic County Sheriff reported numerous trees down in and around Mass City.

Thunderstorm Wind in HOUGHTON, MICHIGAN
From 21-JUL-16 06:04:00 to 21-JUL-16 06:07:00 (EST-5)
Location: BEACON HILL
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter at Freda measured a thunderstorm wind gust to 63 mph.

Thunderstorm Wind in GOGEBIC, MICHIGAN
From 21-JUL-16 04:25:00 to 21-JUL-16 04:40:00 (CST-6)
Location: CONNORVILLE
Magnitude: 74.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Numerous trees were reported down in Porcupine Mountains State Park from thunderstorm winds.  A cabin was also reportedly destroyed.

Thunderstorm Wind in BARAGA, MICHIGAN
From 21-JUL-16 06:15:00 to 21-JUL-16 06:20:00 (EST-5)
Location: ALBERTA
Magnitude: 56.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Baraga County Sheriff reported numerous trees down across Baraga County.  One downed tree was blocking Highway US-41 south of L'anse.

Thunderstorm Wind in HOUGHTON, MICHIGAN
From 21-JUL-16 06:05:00 to 21-JUL-16 06:10:00 (EST-5)
Location: TOIVOLA
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter reported widespread tree damage from Toivola and Donken to Twin Lakes.  Highway M-26 was blocked by fallen trees.

Thunderstorm Wind in IRON, MICHIGAN
From 21-JUL-16 05:25:00 to 21-JUL-16 05:30:00 (CST-6)
Location: BEECHWOOD
Magnitude: 56.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Iron County Sheriff reported trees down near Beechwood.

Thunderstorm Wind in IRON, MICHIGAN
From 21-JUL-16 05:30:00 to 21-JUL-16 05:35:00 (CST-6)
Location: IRON RIVER
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The Iron County Sheriff reported several trees down in the Iron River area.

Thunderstorm Wind in ONTONAGON, MICHIGAN
From 21-JUL-16 05:20:00 to 21-JUL-16 05:25:00 (EST-5)
Location: MERRIWEATHER
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

There was a public report of several trees down around Lake Gogebic five miles southeast of Merriweather.

Thunderstorm Wind in DICKINSON, MICHIGAN
From 21-JUL-16 06:10:00 to 21-JUL-16 06:14:00 (CST-6)
Location: FELCH
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Department of Highways

Tree down on Metropolitan Road west of Felch.  Time of the report was estimated from radar.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 21-JUL-16 07:08:00 to 21-JUL-16 07:13:00 (EST-5)
Location: NEGAUNEE
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: NWS Employee

Several sources reported multiple trees and large limbs down across the city of Negaunee.

Thunderstorm Wind in GOGEBIC, MICHIGAN
From 21-JUL-16 04:30:00 to 21-JUL-16 04:35:00 (CST-6)
Location: VERONA
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The mesonet station at Wakefield measured a thunderstorm wind gust to 59 mph.

Thunderstorm Wind in ONTONAGON, MICHIGAN
From 21-JUL-16 05:35:00 to 21-JUL-16 05:42:00 (EST-5)
Location: ONTONAGON
Magnitude: 65.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

The Ontonagon Emergency Manager reported dozens of trees down in and around the village of Ontonagon, including several down on homes.  Power was out in the village for nearly eight hours.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 21-JUL-16 07:05:00 to 21-JUL-16 07:10:00 (EST-5)
Location: NATIONAL MINE
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported several trees down blocking Beagle Club Road southwest of National Mine.

Thunderstorm Wind in HOUGHTON, MICHIGAN
From 21-JUL-16 06:18:00 to 21-JUL-16 06:23:00 (EST-5)
Location: JACOBSVILLE
Magnitude: 78.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Social Media

There was a delayed report via social media of multiple large trees down or snapped on either side of the Portage Canal near Jacobsville.  Some trees were down on vehicles and structures.

Thunderstorm Wind in HOUGHTON, MICHIGAN
From 21-JUL-16 05:55:00 to 21-JUL-16 06:02:00 (EST-5)
Location: LAKE ROLAND
Magnitude: 78.00 EG
Property damage: 80.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The NWS storm survey confirmed extensive tree damage at Emily Lake Campground with over half an acre of trees blown down due to straight line winds estimated to be up to 90 mph.  Local reports indicated that the strong winds lasted at least five minutes.  Damage included trees down on two campers and one vehicle, but no injuries were reported.  The time of the report was estimated from radar.