A squall line developed along a strong cold front that moved into a hot and humid airmass across northern Lower Michigan in the late afternoon and early evening hours of the 9th.  Numerous reports of wind damage and a few severe hail reports were received as the squall line moved through the region.

Thunderstorm Wind in ROSCOMMON, MICHIGAN
From 09-AUG-01 17:30:00 to 09-AUG-01 17:30:00 (EST)
Location: HOUGHTON LAKE
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Thunderstorm Wind in WEXFORD, MICHIGAN
From 09-AUG-01 16:40:00 to 09-AUG-01 16:40:00 (EST)
Location: CADILLAC
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Trees and power lines down.

Thunderstorm Wind in OTSEGO, MICHIGAN
From 09-AUG-01 16:45:00 to 09-AUG-01 16:45:00 (EST)
Location: GAYLORD
Magnitude: 50 E
Reported by: LAW ENFORCEMENT

Trees down.

Thunderstorm Wind in OSCODA, MICHIGAN
From 09-AUG-01 17:05:00 to 09-AUG-01 17:05:00 (EST)
Location: MIO
Magnitude: 50 E
Reported by: NWS EMPLOYEE(OFF DUTY)

2 trees down on road.

Thunderstorm Wind in MANISTEE, MICHIGAN
From 09-AUG-01 15:40:00 to 09-AUG-01 15:40:00 (EST)
Location: PARKDALE
Magnitude: 55 E
Reported by: TRAINED SPOTTER

Trees and power lines down.

Thunderstorm Wind in ANTRIM, MICHIGAN
From 09-AUG-01 16:05:00 to 09-AUG-01 16:05:00 (EST)
Location: KEWADIN
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Thunderstorm Wind in IOSCO, MICHIGAN
From 09-AUG-01 18:23:00 to 09-AUG-01 18:23:00 (EST)
Location: OSCODA
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Power lines down.

Thunderstorm Wind in IOSCO, MICHIGAN
From 09-AUG-01 18:23:00 to 09-AUG-01 18:23:00 (EST)
Location: TAWAS CITY
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Trees down.

Thunderstorm Wind in GRAND TRAVERSE, MICHIGAN
From 09-AUG-01 16:05:00 to 09-AUG-01 16:05:00 (EST)
Location: TRAVERSE CITY
Magnitude: 50 E
Reported by: BROADCAST MEDIA

Trees and power lines down.

Thunderstorm Wind in LEELANAU, MICHIGAN
From 09-AUG-01 16:10:00 to 09-AUG-01 16:10:00 (EST)
Location: NORTHPORT
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Trees down.

Thunderstorm Wind in GRAND TRAVERSE, MICHIGAN
From 09-AUG-01 16:15:00 to 09-AUG-01 16:15:00 (EST)
Location: WILLIAMSBURG
Magnitude: 50 E
Reported by: GENERAL PUBLIC

Trees and power lines down.

Thunderstorm Wind in ANTRIM, MICHIGAN
From 09-AUG-01 16:15:00 to 09-AUG-01 16:15:00 (EST)
Location: ELK RAPIDS
Magnitude: 50 E
Reported by: TRAINED SPOTTER

6 inch diameter limbs down.

Thunderstorm Wind in KALKASKA, MICHIGAN
From 09-AUG-01 16:25:00 to 09-AUG-01 16:25:00 (EST)
Location: KALKASKA
Magnitude: 50 E
Reported by: BROADCAST MEDIA

Trees and power lines down.

Hail in CRAWFORD, MICHIGAN
From 09-AUG-01 16:30:00 to 09-AUG-01 16:30:00 (EST)
Location: GRAYLING
Magnitude: 0.75 
Reported by: UNKNOWN

Thunderstorm Wind in CRAWFORD, MICHIGAN
From 09-AUG-01 16:30:00 to 09-AUG-01 16:30:00 (EST)
Location: GRAYLING
Magnitude: 50 E
Reported by: UNKNOWN

Trees down.

Thunderstorm Wind in OGEMAW, MICHIGAN
From 09-AUG-01 17:45:00 to 09-AUG-01 17:45:00 (EST)
Location: LUPTON
Magnitude: 50 E
Reported by: PARK/FOREST SERVICE

6 trees down in Rifle River Recreation Area.

Thunderstorm Wind in BENZIE, MICHIGAN
From 09-AUG-01 15:50:00 to 09-AUG-01 15:50:00 (EST)
Location: THOMPSONVILLE
Magnitude: 50 E
Reported by: GENERAL PUBLIC

Large tree fell on van.

Thunderstorm Wind in MONTMORENCY, MICHIGAN
From 09-AUG-01 17:30:00 to 09-AUG-01 17:30:00 (EST)
Location: ATLANTA
Magnitude: 50 E
Reported by: LAW ENFORCEMENT

Trees down.

Thunderstorm Wind in ALCONA, MICHIGAN
From 09-AUG-01 17:45:00 to 09-AUG-01 17:45:00 (EST)
Location: HARRISVILLE
Magnitude: 50 E
Reported by: NWS EMPLOYEE(OFF DUTY)

Trees down.

Thunderstorm Wind in GLADWIN, MICHIGAN
From 09-AUG-01 18:02:00 to 09-AUG-01 18:02:00 (EST)
Location: BEAVERTON
Magnitude: 50 E
Reported by: OTHER FEDERAL AGENCY

Trees down.

Thunderstorm Wind in IOSCO, MICHIGAN
From 09-AUG-01 18:05:00 to 09-AUG-01 18:05:00 (EST)
Location: HALE
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Trees and power lines down.