Southeast Michigan saw active weather in both the morning and afternoon on Wednesday, June 18th, with the afternoon convection turning severe.  Previous convection during the morning hours had moved to the east and there was enough instability for the thunderstorm complex over southern Wisconsin and northern Illinois to hold together as it crossed Lake Michigan and into Lower Michigan.  This line of storms raced across the state bringing winds, heavy rain, and frequent lightning with numerous reports of trees down, power outages, and local flooding.

Thunderstorm Wind in MONROE, MICHIGAN
From 18-JUN-14 15:05:00 to 18-JUN-14 15:05:00 (EST-5)
Location: DUNDEE
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees reported down.

Thunderstorm Wind in WASHTENAW, MICHIGAN
From 18-JUN-14 15:10:00 to 18-JUN-14 15:10:00 (EST-5)
Location: (ARB)ANN ARBOR MUNI
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

One foot diameter tree reported down.

Thunderstorm Wind in GENESEE, MICHIGAN
From 18-JUN-14 14:49:00 to 18-JUN-14 14:49:00 (EST-5)
Location: GRAND BLANC
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Multiple power lines reported down.

Thunderstorm Wind in MACOMB, MICHIGAN
From 18-JUN-14 15:37:00 to 18-JUN-14 15:37:00 (EST-5)
Location: STERLING HGTS
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Power lines reported down.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 18-JUN-14 15:25:00 to 18-JUN-14 15:25:00 (EST-5)
Location: AUBURN HGTS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

One foot diameter tree limb down on road.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 18-JUN-14 15:27:00 to 18-JUN-14 15:27:00 (EST-5)
Location: CLAWSON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Eight inch diameter tree snapped at base.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 18-JUN-14 15:27:00 to 18-JUN-14 15:27:00 (EST-5)
Location: TROT BIG BEAVER ARPT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Four to eight inch diameter tree limbs reported down.

Thunderstorm Wind in OAKLAND, MICHIGAN
From 18-JUN-14 15:27:00 to 18-JUN-14 15:27:00 (EST-5)
Location: TROY
Magnitude: 52.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree reported blown down onto a house.

Thunderstorm Wind in MACOMB, MICHIGAN
From 18-JUN-14 15:48:00 to 18-JUN-14 15:48:00 (EST-5)
Location: ROSEVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six inch diameter tree reported down.

Thunderstorm Wind in LENAWEE, MICHIGAN
From 18-JUN-14 14:14:00 to 18-JUN-14 14:14:00 (EST-5)
Location: ADRIAN
Magnitude: 70.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hail in LENAWEE, MICHIGAN
From 18-JUN-14 13:05:00 to 18-JUN-14 13:05:00 (EST-5)
Location: CLAYTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Hail in LENAWEE, MICHIGAN
From 18-JUN-14 14:00:00 to 18-JUN-14 14:00:00 (EST-5)
Location: ADRIAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Thunderstorm Wind in LENAWEE, MICHIGAN
From 18-JUN-14 14:00:00 to 18-JUN-14 14:00:00 (EST-5)
Location: ADRIAN LENAWEE ARPT
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Large trees uprooted.

Hail in LENAWEE, MICHIGAN
From 18-JUN-14 14:30:00 to 18-JUN-14 14:30:00 (EST-5)
Location: DEERFIELD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Hail in LENAWEE, MICHIGAN
From 18-JUN-14 13:40:00 to 18-JUN-14 13:40:00 (EST-5)
Location: CADMUS
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Hail in LENAWEE, MICHIGAN
From 18-JUN-14 14:30:00 to 18-JUN-14 14:30:00 (EST-5)
Location: DEERFIELD
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: SHAVE Project

Lightning in WASHTENAW, MICHIGAN
From 18-JUN-14 15:30:00 to 18-JUN-14 15:30:00 (EST-5)
Location: GEDDES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorm Wind in OAKLAND, MICHIGAN
From 18-JUN-14 15:25:00 to 18-JUN-14 15:25:00 (EST-5)
Location: TROT BIG BEAVER ARPT
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter estimated a 60 mph thunderstorm wind gust which caused siding to come off a house.

Hail in LENAWEE, MICHIGAN
From 18-JUN-14 14:25:00 to 18-JUN-14 14:25:00 (EST-5)
Location: ADRIAN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in SHIAWASSEE, MICHIGAN
From 18-JUN-14 13:58:00 to 18-JUN-14 13:58:00 (EST-5)
Location: SHAFTSBURG
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Tree reported down on road.

Thunderstorm Wind in SHIAWASSEE, MICHIGAN
From 18-JUN-14 14:00:00 to 18-JUN-14 14:00:00 (EST-5)
Location: BENNINGTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Tree reported down on road.

Thunderstorm Wind in LENAWEE, MICHIGAN
From 18-JUN-14 14:14:00 to 18-JUN-14 14:14:00 (EST-5)
Location: ADRIAN LENAWEE ARPT
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees uprooted.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 18-JUN-14 14:28:00 to 18-JUN-14 14:28:00 (EST-5)
Location: FLEMING
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Power lines reported down.

Thunderstorm Wind in LENAWEE, MICHIGAN
From 18-JUN-14 14:15:00 to 18-JUN-14 14:15:00 (EST-5)
Location: ADRIAN
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Tree reported down on road.

Thunderstorm Wind in LIVINGSTON, MICHIGAN
From 18-JUN-14 14:43:00 to 18-JUN-14 14:43:00 (EST-5)
Location: CHILSON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Tree reported down on road.

Thunderstorm Wind in GENESEE, MICHIGAN
From 18-JUN-14 14:47:00 to 18-JUN-14 14:47:00 (EST-5)
Location: LAKE FENTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power lines reported down.

Thunderstorm Wind in GENESEE, MICHIGAN
From 18-JUN-14 14:50:00 to 18-JUN-14 14:50:00 (EST-5)
Location: GRAND BLANC
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limb reported down.

Thunderstorm Wind in GENESEE, MICHIGAN
From 18-JUN-14 14:56:00 to 18-JUN-14 14:56:00 (EST-5)
Location: BURTON
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Power line reported down.