A weak low pressure system coupled with high instability triggered several severe thunderstorms along and south of I-69 during the afternoon hours of June 25th, into the early evening hours. Southern Macomb county was hardest hit, as the majority of the 80,000 DTE customers who lost power resided in Macomb county.

Hail in GENESEE, MICHIGAN
From 25-JUN-09 12:52:00 to 25-JUN-09 12:52:00 (EST-5)
Location: DAVISON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MACOMB, MICHIGAN
From 25-JUN-09 15:09:00 to 25-JUN-09 15:09:00 (EST-5)
Location: STERLING HGTS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:08:00 to 25-JUN-09 14:08:00 (EST-5)
Location: UTICA
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was blown down on Van Dyke Avenue and struck a car, causing minor damage.

Hail in OAKLAND, MICHIGAN
From 25-JUN-09 13:40:00 to 25-JUN-09 13:40:00 (EST-5)
Location: OXFORD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:16:00 to 25-JUN-09 14:16:00 (EST-5)
Location: MT CLEMENS
Magnitude: 59.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees and power lines were reported down.

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:20:00 to 25-JUN-09 14:20:00 (EST-5)
Location: CADY
Magnitude: 65.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 24 inch diameter tree was reported down around 14 mile and Groesbeck Roads.

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:25:00 to 25-JUN-09 14:25:00 (EST-5)
Location: CENTER LINE
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was blown down, blocking the westbound lanes on Chicago Road near 14 Mile.

Thunderstorm Wind in MONROE, MICHIGAN
From 25-JUN-09 15:37:00 to 25-JUN-09 15:37:00 (EST-5)
Location: PATTERSON GARDENS
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was blown down and blocking the road at Raisinville and Bluebush Roads.

Thunderstorm Wind in MONROE, MICHIGAN
From 25-JUN-09 15:58:00 to 25-JUN-09 15:58:00 (EST-5)
Location: MONROE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated 60 mph thunderstorm wind gust which brought down small tree branches.

Thunderstorm Wind in WASHTENAW, MICHIGAN
From 25-JUN-09 16:08:00 to 25-JUN-09 16:08:00 (EST-5)
Location: DEXTER
Magnitude: 56.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous trees and powerlines reported down.

Hail in OAKLAND, MICHIGAN
From 25-JUN-09 13:43:00 to 25-JUN-09 13:43:00 (EST-5)
Location: OXFORD
Magnitude: 1.00 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Minor damage to vehicles reported.

Thunderstorm Wind in LAPEER, MICHIGAN
From 25-JUN-09 18:00:00 to 25-JUN-09 18:00:00 (EST-5)
Location: LAPEER
Magnitude: 56.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large Trees were reported blown down.

Flash Flood in MACOMB, MICHIGAN
From 25-JUN-09 16:40:00 to 25-JUN-09 18:00:00 (EST-5)
Location: ST CLAIR SHRS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Dozens of reports of street flooding on area roads with up to 5 feet of standing water.

Hail in MACOMB, MICHIGAN
From 25-JUN-09 14:30:00 to 25-JUN-09 14:30:00 (EST-5)
Location: ST CLAIR SHRS
Magnitude: 0.88 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Hail in MACOMB, MICHIGAN
From 25-JUN-09 13:56:00 to 25-JUN-09 13:56:00 (EST-5)
Location: DISCO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 25-JUN-09 14:20:00 to 25-JUN-09 14:20:00 (EST-5)
Location: COHOCTAH
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple 6 inch diameter trees reported down.

Hail in WASHTENAW, MICHIGAN
From 25-JUN-09 15:18:00 to 25-JUN-09 15:18:00 (EST-5)
Location: CHELSEA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in WASHTENAW, MICHIGAN
From 25-JUN-09 15:37:00 to 25-JUN-09 15:37:00 (EST-5)
Location: CHELSEA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GENESEE, MICHIGAN
From 25-JUN-09 17:43:00 to 25-JUN-09 17:43:00 (EST-5)
Location: OTTER LAKE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in OAKLAND, MICHIGAN
From 25-JUN-09 13:48:00 to 25-JUN-09 13:48:00 (EST-5)
Location: LAKE ORION
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a 65 mph thunderstorm wind gust.

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:27:00 to 25-JUN-09 14:27:00 (EST-5)
Location: FRASER
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated an 65 mph thunderstorm wind gust.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 25-JUN-09 14:15:00 to 25-JUN-09 14:15:00 (EST-5)
Location: DEERFIELD CENTER
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated 60 mph thunderstorm wind gust, which downed small tree branches.

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:08:00 to 25-JUN-09 14:08:00 (EST-5)
Location: DISCO
Magnitude: 61.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Twelve inch diameter trees were reported blown down.

Thunderstorm Wind in WAYNE, MICHIGAN
From 25-JUN-09 14:45:00 to 25-JUN-09 14:45:00 (EST-5)
Location: CHERRY HILL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a 60 mph thunderstorm wind gust.

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:14:00 to 25-JUN-09 14:14:00 (EST-5)
Location: WALDENBURG
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Trained Spotter

Small to meduim size tree branches were reported down at 22 Mile and Schoenner Roads.

Thunderstorm Wind in WAYNE, MICHIGAN
From 25-JUN-09 14:50:00 to 25-JUN-09 14:50:00 (EST-5)
Location: NANKIN MILLS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter estimated a 60 mph thunderstorm wind gust which brought down small tree limbs.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 25-JUN-09 14:21:00 to 25-JUN-09 14:21:00 (EST-5)
Location: PARSHALLVILLE
Magnitude: 54.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limbs were reported down.

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:33:00 to 25-JUN-09 14:33:00 (EST-5)
Location: MT CLEMENS
Magnitude: 56.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple 6 inch in diameter trees down.

Hail in LAPEER, MICHIGAN
From 25-JUN-09 13:05:00 to 25-JUN-09 13:05:00 (EST-5)
Location: ELBA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAPEER, MICHIGAN
From 25-JUN-09 13:10:00 to 25-JUN-09 13:10:00 (EST-5)
Location: LAPEER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OAKLAND, MICHIGAN
From 25-JUN-09 13:43:00 to 25-JUN-09 13:43:00 (EST-5)
Location: OXFORD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OAKLAND, MICHIGAN
From 25-JUN-09 13:45:00 to 25-JUN-09 13:45:00 (EST-5)
Location: LAKE ORION
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OAKLAND, MICHIGAN
From 25-JUN-09 13:45:00 to 25-JUN-09 13:45:00 (EST-5)
Location: LAKE ORION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in GENESEE, MICHIGAN
From 25-JUN-09 12:50:00 to 25-JUN-09 12:50:00 (EST-5)
Location: GENESEE DUFORD ARPT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OAKLAND, MICHIGAN
From 25-JUN-09 13:48:00 to 25-JUN-09 13:48:00 (EST-5)
Location: LAKE ORION
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in OAKLAND, MICHIGAN
From 25-JUN-09 13:45:00 to 25-JUN-09 13:45:00 (EST-5)
Location: OXFORD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in LAPEER, MICHIGAN
From 25-JUN-09 17:56:00 to 25-JUN-09 18:00:00 (EST-5)
Location: LAKE NEPESSING
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in OAKLAND, MICHIGAN
From 25-JUN-09 14:50:00 to 25-JUN-09 14:50:00 (EST-5)
Location: ROCHESTER HILLS
Magnitude: 52.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Several oak trees split and fell over, along with small tree limbs reported blown down.

Flash Flood in LIVINGSTON, MICHIGAN
From 25-JUN-09 14:18:00 to 25-JUN-09 15:30:00 (EST-5)
Location: HOWELL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple reports of a half of a foot of standing water on area roads, including: M-59, Byron, Grand River, and Oak Grove Road.

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:07:00 to 25-JUN-09 14:07:00 (EST-5)
Location: WASHINGTON
Magnitude: 61.00 EG
Property damage: 60.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large trees and power poles reported down.

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:30:00 to 25-JUN-09 14:34:00 (EST-5)
Location: ROSEVILLE
Magnitude: 61.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous large tree branches and small trees were reported down.

Thunderstorm Wind in MACOMB, MICHIGAN
From 25-JUN-09 14:09:00 to 25-JUN-09 14:13:00 (EST-5)
Location: STERLING HGTS
Magnitude: 65.00 EG
Property damage: 150.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Extensive thunderstorm wind damage across Sterling Heights, with over 50 trees reported down. A few of those trees fell onto houses and cars, with hundreds of downed wires.

Hail in MACOMB, MICHIGAN
From 25-JUN-09 14:30:00 to 25-JUN-09 14:30:00 (EST-5)
Location: ROSEVILLE
Magnitude: 1.75 
Property damage: 1.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Hail went through awning on porch.

Thunderstorm Wind in MONROE, MICHIGAN
From 25-JUN-09 16:00:00 to 25-JUN-09 16:00:00 (EST-5)
Location: DETROIT BEACH
Magnitude: 60.00 EG
Property damage: 70.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were reported down.

Hail in MACOMB, MICHIGAN
From 25-JUN-09 14:14:00 to 25-JUN-09 14:14:00 (EST-5)
Location: WALDENBURG
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in GENESEE, MICHIGAN
From 25-JUN-09 17:40:00 to 25-JUN-09 17:40:00 (EST-5)
Location: OTISVILLE ARPT
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two 12 inch in diameter trees reported down.

Flash Flood in WASHTENAW, MICHIGAN
From 25-JUN-09 16:00:00 to 25-JUN-09 17:00:00 (EST-5)
Location: ANN ARBOR YOUNG ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Multiple reports of up to 1 foot of water over roads in and around I-94 and Jackson Roads.