A cold front moved across northern Michigan during the afternoon and early evening hours on the 15th.  As the cold front collided with warm and humid air in place across the region, numerous thunderstorms developed.  Some of the thunderstorms produced damaging winds which blew several trees and branches down.  A brief tornado touchdown was also reported near the town of Posen.

Thunderstorm Wind in ALPENA, MICHIGAN
From 15-JUN-01 15:25:00 to 15-JUN-01 15:25:00 (EST)
Location: LACHINE
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Several six inch branches blown down.

Lightning in PRESQUE ISLE, MICHIGAN
From 15-JUN-01 14:00:00 to 15-JUN-01 14:00:00 (EST)
Location: ROGERS CITY
Reported by: NEWSPAPER

Large tree struck by lightning and downed across road.

Thunderstorm Wind in EMMET, MICHIGAN
From 15-JUN-01 13:00:00 to 15-JUN-01 13:00:00 (EST)
Location: PETOSKEY
Magnitude: 50 E
Property damage: 15K
Reported by: NEWSPAPER

Numerous large tree limbs blown down.  One large limb fell on house causing roof and chimney damage.

Thunderstorm Wind in OTSEGO, MICHIGAN
From 15-JUN-01 12:39:00 to 15-JUN-01 12:39:00 (EST)
Location: ELMIRA
Magnitude: 50 E
Reported by: NWS EMPLOYEE(OFF DUTY)

One fourteen inch diameter tree and several branches bown down.

Thunderstorm Wind in CHARLEVOIX, MICHIGAN
From 15-JUN-01 12:50:00 to 15-JUN-01 12:50:00 (EST)
Location: BOYNE CITY
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Numerous three inch limbs down.

Thunderstorm Wind in CHIPPEWA, MICHIGAN
From 15-JUN-01 14:25:00 to 15-JUN-01 14:25:00 (EST)
Location: HOMESTEAD
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Two ten inch diameter trees blown down.

Thunderstorm Wind in OGEMAW, MICHIGAN
From 15-JUN-01 15:10:00 to 15-JUN-01 15:10:00 (EST)
Location: SELKIRK
Magnitude: 60 E
Property damage: 15K
Reported by: TRAINED SPOTTER

Numerous trees down and damage to a chimney.

Tornado in PRESQUE ISLE, MICHIGAN
From 15-JUN-01 15:30:00 to 15-JUN-01 15:30:00 (EST)
Location: POSEN
Tornado F-scale: F0
Reported by: GENERAL PUBLIC

Brief touchdown lifted truck off ground, blew off barn doors and downed a few large trees.

Thunderstorm Wind in CHEBOYGAN, MICHIGAN
From 15-JUN-01 13:32:00 to 15-JUN-01 13:32:00 (EST)
Location: CHEBOYGAN
Magnitude: 55 E
Reported by: TRAINED SPOTTER

Ten inch diameter top of maple tree broken off.

Thunderstorm Wind in OGEMAW, MICHIGAN
From 15-JUN-01 15:10:00 to 15-JUN-01 15:10:00 (EST)
Location: SELKIRK
Magnitude: 55 E
Property damage: 20K
Reported by: NEWSPAPER

80 foot ash tree fell on house and badly damaged roof.

Thunderstorm Wind in ANTRIM, MICHIGAN
From 15-JUN-01 12:15:00 to 15-JUN-01 12:15:00 (EST)
Location: KEWADIN
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Thunderstorm Wind in CRAWFORD, MICHIGAN
From 15-JUN-01 12:30:00 to 15-JUN-01 12:30:00 (EST)
Location: FREDERIC
Magnitude: 50 E
Reported by: TRAINED SPOTTER

One ten inch diameter tree and several branches blown down.

Thunderstorm Wind in CHEBOYGAN, MICHIGAN
From 15-JUN-01 13:15:00 to 15-JUN-01 13:15:00 (EST)
Location: INDIAN RIVER
Magnitude: 50 E
Reported by: TRAINED SPOTTER

Several trees blown down.  Two docks blown onto the shore of Burt Lake.

Hail in CHEBOYGAN, MICHIGAN
From 15-JUN-01 13:32:00 to 15-JUN-01 13:32:00 (EST)
Location: CHEBOYGAN
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Thunderstorm Wind in CRAWFORD, MICHIGAN
From 15-JUN-01 12:35:00 to 15-JUN-01 12:35:00 (EST)
Location: FREDERIC
Magnitude: 50 E
Reported by: NWS EMPLOYEE(OFF DUTY)

Several trees snapped off.