A large complex of thunderstorms, originating in Wisconsin during the morning of the 30th, moved across the region during the afternoon. These storms occurred during a heat wave with an unstable airmass in place. The main action occurred as damaging wind gusts on the leading bow-shaped edge of the thunderstorm complex, occurring primarily across the central portions of southeast lower Michigan.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 30-JUL-06 12:59:00 to 30-JUL-06 12:59:00 (EST)
Location: FOWLERVILLE
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Central dispatch reported a tree blown down.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 30-JUL-06 13:10:00 to 30-JUL-06 13:10:00 (EST)
Location: OAK GROVE
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Central dispatch reported a tree blown down.

Thunderstorm Wind in SHIAWASSEE, MICHIGAN
From 30-JUL-06 12:45:00 to 30-JUL-06 12:45:00 (EST)
Location: CORUNNA
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Central dispatch reported a tree blown down.

Thunderstorm Wind in GENESEE, MICHIGAN
From 30-JUL-06 13:10:00 to 30-JUL-06 13:10:00 (EST)
Location: FLUSHING
Magnitude: 55 EG
Reported by: TRAINED SPOTTER

Trained spotter reported 30 trees blown down.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 30-JUL-06 13:05:00 to 30-JUL-06 13:05:00 (EST)
Location: PARKERS CORNERS
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Central dispatch reported a tree blown down.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 30-JUL-06 13:10:00 to 30-JUL-06 13:10:00 (EST)
Location: PARKERS CORNERS
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Central dispatch reported a tree blown down.

Thunderstorm Wind in GENESEE, MICHIGAN
From 30-JUL-06 13:15:00 to 30-JUL-06 13:15:00 (EST)
Location: MT MORRIS
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Trained spotter reported a tree blown down.

Thunderstorm Wind in GENESEE, MICHIGAN
From 30-JUL-06 13:15:00 to 30-JUL-06 13:15:00 (EST)
Location: SWARTZ CREEK
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Trained spotter reported a tree blown down.

Thunderstorm Wind in TUSCOLA, MICHIGAN
From 30-JUL-06 13:54:00 to 30-JUL-06 13:54:00 (EST)
Location: COLLING
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Central dispatch reported a tree blown down.

Thunderstorm Wind in ST. CLAIR, MICHIGAN
From 30-JUL-06 14:45:00 to 30-JUL-06 14:45:00 (EST)
Location: PORT HURON
Magnitude: 50 EG
Reported by: TRAINED SPOTTER

Trained spotter reported large limbs down near Port Huron.

Thunderstorm Wind in GENESEE, MICHIGAN
From 30-JUL-06 13:15:00 to 30-JUL-06 13:15:00 (EST)
Location: MT MORRIS
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Trained spotter reported a 12 inch diameter tree blown down.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 30-JUL-06 13:18:00 to 30-JUL-06 13:18:00 (EST)
Location: BRIGHTON
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Central dispatch reported a tree blown down.

Thunderstorm Wind in SHIAWASSEE, MICHIGAN
From 30-JUL-06 12:43:00 to 30-JUL-06 12:43:00 (EST)
Location: OWOSSO
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Central dispatch reported trees blown down.

Thunderstorm Wind in MIDLAND, MICHIGAN
From 30-JUL-06 12:30:00 to 30-JUL-06 12:30:00 (EST)
Location: MIDLAND
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Central dispatch reported a tree and power lines blown down.