A nearly stationary frontal boundary allowed for numerous severe thunderstorm development, with flash flooding occuring in Lapeer county.

Hail in ST. CLAIR, MICHIGAN
From 16-JUL-08 17:25:00 to 16-JUL-08 17:25:00 (EST-5)
Location: BROCKWAY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. CLAIR, MICHIGAN
From 16-JUL-08 17:45:00 to 16-JUL-08 17:45:00 (EST-5)
Location: YALE
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Hail in ST. CLAIR, MICHIGAN
From 16-JUL-08 17:50:00 to 16-JUL-08 17:50:00 (EST-5)
Location: YALE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in SAGINAW, MICHIGAN
From 16-JUL-08 18:30:00 to 16-JUL-08 18:30:00 (EST-5)
Location: SHIELDS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in TUSCOLA, MICHIGAN
From 16-JUL-08 19:32:00 to 16-JUL-08 19:32:00 (EST-5)
Location: WATROUSVILLE
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was reported down.

Thunderstorm Wind in TUSCOLA, MICHIGAN
From 16-JUL-08 19:32:00 to 16-JUL-08 19:32:00 (EST-5)
Location: TUSCOLA
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was reported down.

Thunderstorm Wind in SHIAWASSEE, MICHIGAN
From 16-JUL-08 20:00:00 to 16-JUL-08 20:00:00 (EST-5)
Location: PERRY
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

A tree was reported down.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 16-JUL-08 21:06:00 to 16-JUL-08 21:06:00 (EST-5)
Location: OXBOW
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SAGINAW, MICHIGAN
From 16-JUL-08 18:30:00 to 16-JUL-08 18:30:00 (EST-5)
Location: SHIELDS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAPEER, MICHIGAN
From 16-JUL-08 18:49:00 to 16-JUL-08 18:49:00 (EST-5)
Location: NORTH BRANCH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in SAGINAW, MICHIGAN
From 16-JUL-08 18:56:00 to 16-JUL-08 18:56:00 (EST-5)
Location: SAGINAW
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Hail in OAKLAND, MICHIGAN
From 16-JUL-08 21:01:00 to 16-JUL-08 21:01:00 (EST-5)
Location: HOLLY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Hail in LAPEER, MICHIGAN
From 16-JUL-08 21:07:00 to 16-JUL-08 21:07:00 (EST-5)
Location: ALMONT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MACOMB, MICHIGAN
From 16-JUL-08 21:07:00 to 16-JUL-08 21:07:00 (EST-5)
Location: ARMADA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in SAGINAW, MICHIGAN
From 16-JUL-08 18:25:00 to 16-JUL-08 18:25:00 (EST-5)
Location: ST CHARLES
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limbs reported down.

Thunderstorm Wind in GENESEE, MICHIGAN
From 16-JUL-08 19:57:00 to 16-JUL-08 19:57:00 (EST-5)
Location: FLINT
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees and power lines reported down.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 16-JUL-08 21:01:00 to 16-JUL-08 21:01:00 (EST-5)
Location: HOLLY ADELPHIAN ARPT
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Trees reported down.

Thunderstorm Wind in SAGINAW, MICHIGAN
From 16-JUL-08 18:45:00 to 16-JUL-08 18:45:00 (EST-5)
Location: CARROLLTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAPEER, MICHIGAN
From 16-JUL-08 16:30:00 to 16-JUL-08 16:30:00 (EST-5)
Location: LAPEER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Hail in LAPEER, MICHIGAN
From 16-JUL-08 16:30:00 to 16-JUL-08 16:33:00 (EST-5)
Location: ELBA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAPEER, MICHIGAN
From 16-JUL-08 16:41:00 to 16-JUL-08 16:41:00 (EST-5)
Location: LAPEER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAPEER, MICHIGAN
From 16-JUL-08 16:45:00 to 16-JUL-08 16:45:00 (EST-5)
Location: ELBA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in GENESEE, MICHIGAN
From 16-JUL-08 20:39:00 to 16-JUL-08 20:39:00 (EST-5)
Location: GENESEE DUFORD ARPT
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in LAPEER, MICHIGAN
From 16-JUL-08 17:21:00 to 16-JUL-08 17:21:00 (EST-5)
Location: ELBA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. CLAIR, MICHIGAN
From 16-JUL-08 17:22:00 to 16-JUL-08 17:22:00 (EST-5)
Location: CAPAC
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MIDLAND, MICHIGAN
From 16-JUL-08 17:32:00 to 16-JUL-08 17:32:00 (EST-5)
Location: AVERILL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in ST. CLAIR, MICHIGAN
From 16-JUL-08 17:40:00 to 16-JUL-08 17:40:00 (EST-5)
Location: YALE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GENESEE, MICHIGAN
From 16-JUL-08 17:54:00 to 16-JUL-08 17:54:00 (EST-5)
Location: GENESEE DUFORD ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in ST. CLAIR, MICHIGAN
From 16-JUL-08 17:55:00 to 16-JUL-08 17:55:00 (EST-5)
Location: YALE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GENESEE, MICHIGAN
From 16-JUL-08 18:00:00 to 16-JUL-08 18:00:00 (EST-5)
Location: GENESEE DUFORD ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Flash Flood in LAPEER, MICHIGAN
From 16-JUL-08 19:00:00 to 16-JUL-08 20:00:00 (EST-5)
Location: ELBA
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Heavy rain caused flash flooding, with roads covered in water, along with flooding reported at the Lapeer Courthouse.