A cold front approaching a moist and unstable air mass generated isolated severe thunderstorms over portions of west and central Upper Michigan on the 6th.

Thunderstorm Wind in MENOMINEE, MICHIGAN
From 06-JUL-17 06:55:00 to 06-JUL-17 06:59:00 (CST-6)
Location: BAGLEY
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

There was a report of a tree down from thunderstorm wind gusts on a road southeast of Bagley.

Thunderstorm Wind in MENOMINEE, MICHIGAN
From 06-JUL-17 06:55:00 to 06-JUL-17 06:59:00 (CST-6)
Location: NATHAN
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

There was a report of a tree down across a road in Nathan from thunderstorm winds.

Thunderstorm Wind in LUCE, MICHIGAN
From 06-JUL-17 12:00:00 to 06-JUL-17 12:05:00 (EST-5)
Location: PINE STUMP JCT
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Social Media

There was a public report of several large uprooted maple and birch trees along Camp 7 Road just to the south of Highway M-123.  The largest maple tree was approximately 20 inches in diameter.  The birch trees were 8-10 inches in diameter.  Several of the smaller trees were snapped.  The time of the damage was estimated from radar.

Hail in DICKINSON, MICHIGAN
From 06-JUL-17 19:00:00 to 06-JUL-17 19:04:00 (CST-6)
Location: GRANITE BLUFF
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

Nickel sized hail was reported five miles north of Iron Mountain.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 06-JUL-17 19:45:00 to 06-JUL-17 19:50:00 (EST-5)
Location: WITCH LAKE
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Four to five medium to large trees were down along Highway M-95 near the Floodwood Road near Witch Lake.

Thunderstorm Wind in DICKINSON, MICHIGAN
From 06-JUL-17 18:55:00 to 06-JUL-17 19:02:00 (CST-6)
Location: RALPH ARPT
Magnitude: 61.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer from Norway reported trees and power lines down from three miles to six miles north of Ralph.  The time of the report was estimated from radar.

Thunderstorm Wind in MARQUETTE, MICHIGAN
From 06-JUL-17 20:04:00 to 06-JUL-17 20:09:00 (EST-5)
Location: CASCADE
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

There was a public report of numerous trees down a couple of miles west of Highway M-553 in Sands Township.  Time of the report was estimated from radar.

Thunderstorm Wind in MENOMINEE, MICHIGAN
From 06-JUL-17 19:50:00 to 06-JUL-17 19:54:00 (CST-6)
Location: HERMANSVILLE
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

The Delta County Dispatch reported that a tree had fallen on a van on French Town Road near Hermansville.

Thunderstorm Wind in MENOMINEE, MICHIGAN
From 06-JUL-17 20:10:00 to 06-JUL-17 20:17:00 (CST-6)
Location: DAGGETT
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several large trees were snapped or uprooted just west of Daggett.  One of the large trees was two to three feet in diameter.