Much like the day before, thunderstorms developed thanks to strong heating during the afternoon of the 22nd.  Several storms became severe, producing mainly large hail.  However, a few storms interacted with the Lake Huron lake breeze, resulting in a single tornado and locally excessive rainfall.

Hail in EMMET, MICHIGAN
From 22-JUN-08 15:00:00 to 22-JUN-08 15:00:00 (EST-5)
Location: BRUTUS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OGEMAW, MICHIGAN
From 22-JUN-08 17:40:00 to 22-JUN-08 17:40:00 (EST-5)
Location: WEST BRANCH
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail covered I-75 between the St Helen and West Branch exits.  The accumulated hail contributed to a rollover accident on I-75.  Snow plows were eventually called out to clear the highway.

Hail in WEXFORD, MICHIGAN
From 22-JUN-08 17:50:00 to 22-JUN-08 17:50:00 (EST-5)
Location: LAKE CADILLAC
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in ALCONA, MICHIGAN
From 22-JUN-08 12:40:00 to 22-JUN-08 12:40:00 (EST-5)
Location: MIKADO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in ALCONA, MICHIGAN
From 22-JUN-08 13:15:00 to 22-JUN-08 13:15:00 (EST-5)
Location: BACKUS BEACH
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter sized hail covered the ground up to six inches deep.

Hail in ALCONA, MICHIGAN
From 22-JUN-08 13:16:00 to 22-JUN-08 13:16:00 (EST-5)
Location: SPRUCE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MONTMORENCY, MICHIGAN
From 22-JUN-08 14:30:00 to 22-JUN-08 14:30:00 (EST-5)
Location: ATLANTA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell at Clear Lake State Park.

Hail in IOSCO, MICHIGAN
From 22-JUN-08 14:32:00 to 22-JUN-08 14:34:00 (EST-5)
Location: OSCODA
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tornado in ALCONA, MICHIGAN
From 22-JUN-08 13:15:00 to 22-JUN-08 13:17:00 (EST-5)
Location: BACKUS BEACH
Tornado F-scale: EF1
Property damage: 50.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

EF1 tornado, with winds estimated up to 100 mph.  Tornado tracked through a heavily forested area, downing many trees west of Mount Maria Road, east of Consolidated Road, and north of the West Branch River.

Flash Flood in ALCONA, MICHIGAN
From 22-JUN-08 15:30:00 to 22-JUN-08 20:00:00 (EST-5)
Location: HARRISVILLE ARPT
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several rounds of slow-moving thunderstorms dumped heavy rain across far southern Alcona County.  Radar estimated three to six inches of rainfall in Mikado and Greenbush Townships.  Flash flooding occurred on Grey and Roy Creeks, washing out several driveways and side roads, and closing parts of Alvin, Goddard, and London Roads.

Flood in ALCONA, MICHIGAN
From 22-JUN-08 20:00:00 to 23-JUN-08 10:00:00 (EST-5)
Location: MIKADO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

High water from earlier flash flooding lingered on a number of roads, especially along Roy and Grey Creeks.

Hail in ALCONA, MICHIGAN
From 22-JUN-08 14:28:00 to 22-JUN-08 14:28:00 (EST-5)
Location: MIKADO
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PRESQUE ISLE, MICHIGAN
From 22-JUN-08 16:38:00 to 22-JUN-08 16:38:00 (EST-5)
Location: BLACK LAKE BLUFFS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

Penny sized hail fell at Onaway State Park.