A warm front lifted north of southeast Michigan, as a strong low tracked in from Wisconsin. A few severe thunderstorms developed, one of which produced a tornado in Huron County.

Hail in LENAWEE, MICHIGAN
From 18-JUL-10 16:50:00 to 18-JUL-10 16:50:00 (EST-5)
Location: TECUMSEH
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MACOMB, MICHIGAN
From 18-JUL-10 18:52:00 to 18-JUL-10 18:52:00 (EST-5)
Location: (MTC)MT CLEMENS/SELF
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MACOMB, MICHIGAN
From 18-JUL-10 18:52:00 to 18-JUL-10 18:52:00 (EST-5)
Location: (MTC)MT CLEMENS/SELF
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in LENAWEE, MICHIGAN
From 18-JUL-10 16:25:00 to 18-JUL-10 16:25:00 (EST-5)
Location: ADDISON
Magnitude: 54.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were reported down.

Thunderstorm Wind in LENAWEE, MICHIGAN
From 18-JUL-10 16:50:00 to 18-JUL-10 16:50:00 (EST-5)
Location: TECUMSEH
Magnitude: 54.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees and powerlines down.

Thunderstorm Wind in MONROE, MICHIGAN
From 18-JUL-10 17:05:00 to 18-JUL-10 17:05:00 (EST-5)
Location: AZALIA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A large tree was reported blown down along with a powerline.

Thunderstorm Wind in WAYNE, MICHIGAN
From 18-JUL-10 17:50:00 to 18-JUL-10 17:50:00 (EST-5)
Location: SIBLEY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 10 inch diameter tree was reported blown down.

Thunderstorm Wind in TUSCOLA, MICHIGAN
From 18-JUL-10 21:00:00 to 18-JUL-10 21:00:00 (EST-5)
Location: UNIONVILLE
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were blown down.

Thunderstorm Wind in TUSCOLA, MICHIGAN
From 18-JUL-10 21:27:00 to 18-JUL-10 21:27:00 (EST-5)
Location: COLWOOD
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were reported blown down.

Thunderstorm Wind in TUSCOLA, MICHIGAN
From 18-JUL-10 21:35:00 to 18-JUL-10 21:35:00 (EST-5)
Location: CASS CITY
Magnitude: 54.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple trees were reported blown down.

Thunderstorm Wind in LENAWEE, MICHIGAN
From 18-JUL-10 16:30:00 to 18-JUL-10 16:30:00 (EST-5)
Location: ADRIAN
Magnitude: 53.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Trees were uprooted.

Hail in LENAWEE, MICHIGAN
From 18-JUL-10 16:30:00 to 18-JUL-10 16:30:00 (EST-5)
Location: ADRIAN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in ST. CLAIR, MICHIGAN
From 18-JUL-10 19:00:00 to 18-JUL-10 19:00:00 (EST-5)
Location: ANCHORVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limbs were reported blown down.

Tornado in HURON, MICHIGAN
From 18-JUL-10 21:11:00 to 18-JUL-10 21:13:00 (EST-5)
Location: HURON CITY
Tornado F-scale: EF0
Property damage: 75.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A National Weather Service Storm Survey confirmed a weak EF0 tornado hit the Lighthouse County Park in Huron County. The tornado touched down at 1011 PM about 1.5 miles northwest of the Park, and tracked over and close to Lighthouse Road. The tornado, with maximum winds of 80 mph, then continued to track southeast, moving through the County Park and exiting out into Lake Huron at 1013 PM. The total path length was estimated at 2 miles, with a maximum width of 75 yards.
Numerous trees were blown down, one of which fell onto a camper. Roof damage was also observed at one home.