One round of strong to severe storms impacted far southern lower Michigan during the mid to late afternoon hours of July 22nd, resulting in several reports of downed trees and power lines.  The most extensive damage occurred over southwestern Gull Lake in northeastern Kalamazoo county, where a microburst produced winds up to around 75 mph that brought down numerous large trees.
Another round of strong to severe storms moved through during the mid to late evening hours, resulting in continuous lightning, wind damage and there was also an isolated and very brief and weak EF-0 tornado in Allegan county.

Thunderstorm Wind in ALLEGAN, MICHIGAN
From 22-JUL-10 14:29:00 to 22-JUL-10 14:45:00 (EST-5)
Location: CHESHIRE CENTER
Magnitude: 56.00 EG
Property damage: 20.00K
Reported by: NWS Storm Survey

A National Weather Service storm survey team concluded that straight line winds around 65 mph lifted a corrugated roof nailed to a two by four wood frame over a double wide trailer near the intersection of 109th avenue and 37th street.  Spotty tree damage was noted further east southeast across the remainder of Allegan county to near Doster.

Hail in KALAMAZOO, MICHIGAN
From 22-JUL-10 15:20:00 to 22-JUL-10 15:20:00 (EST-5)
Location: PARCHMENT
Magnitude: 0.88 
Reported by: Public

Nickel sized hail and a measured wind gust to 59 mph was reported in Parchment.

Thunderstorm Wind in CALHOUN, MICHIGAN
From 22-JUL-10 15:49:00 to 22-JUL-10 15:49:00 (EST-5)
Location: BEDFORD
Magnitude: 56.00 EG
Property damage: 25.00K
Reported by: NWS Storm Survey

A storm survey discovered several old trees that were blown down in Urbandale just to the northwest of Battle Creek.  A Calhoun county emergency manager reported that numerous trees and power lines were blown down in Bedford.  However the storm survey indicated no evidence of a tornado touchdown in Calhoun county.

Thunderstorm Wind in ALLEGAN, MICHIGAN
From 22-JUL-10 20:57:00 to 22-JUL-10 20:57:00 (EST-5)
Location: GANGES
Magnitude: 52.00 EG
Reported by: Emergency Manager

An Allegan county emergency manager reported that power lines were blown down in Ganges.

Thunderstorm Wind in ALLEGAN, MICHIGAN
From 22-JUL-10 21:25:00 to 22-JUL-10 21:28:00 (EST-5)
Location: PEARL
Magnitude: 56.00 EG
Property damage: 50.00K
Reported by: Amateur Radio

Numerous trees and limbs were blown down five miles south southeast of Fennville and one and three quarters inch diameter hail was reported three miles southeast of Fennville.

Funnel Cloud in VAN BUREN, MICHIGAN
From 22-JUL-10 21:50:00 to 22-JUL-10 21:50:00 (EST-5)
Location: ARMSTRONG CORNERS
Reported by: Trained Spotter

A trained spotter reported a funnel cloud north northeast of Paw Paw.

Thunderstorm Wind in ALLEGAN, MICHIGAN
From 22-JUL-10 22:32:00 to 22-JUL-10 22:32:00 (EST-5)
Location: PEARL
Magnitude: 52.00 EG
Reported by: Amateur Radio

Power lines were blown down and a eight inch diameter tree was broken in half in Allegan.

Thunderstorm Wind in CALHOUN, MICHIGAN
From 22-JUL-10 22:45:00 to 22-JUL-10 22:45:00 (EST-5)
Location: BEADLE LAKE
Magnitude: 52.00 EG
Reported by: Trained Spotter

A trained spotter four miles southeast of Battle Creek reported estimated wind gusts to 60 mph.

Thunderstorm Wind in ALLEGAN, MICHIGAN
From 22-JUL-10 14:00:00 to 22-JUL-10 14:20:00 (EST-5)
Location: GANGES
Magnitude: 52.00 EG
Reported by: Emergency Manager

Allegan county emergency management reported that several trees were blown down from five miles southwest of Fennville off to the southeast to Pullman.

Tornado in ALLEGAN, MICHIGAN
From 22-JUL-10 21:23:00 to 22-JUL-10 21:23:00 (EST-5)
Location: CHICORA
Tornado F-scale: EF0
Reported by: NWS Storm Survey

A brief EF-0 tornado touched down five miles north northwest of Bloomingdale.  No significant damage occurred.

Flash Flood in ALLEGAN, MICHIGAN
From 22-JUL-10 22:30:00 to 22-JUL-10 22:30:00 (EST-5)
Location: MILL GROVE
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported that Allegan county dam road was washed out by heavy rain.