A thin but powerful line of convection moved across northern Illinois during the early morning hours of December 23rd.  Despite only a few bolts of lightning, these storms produced widespread wind damage across many areas with wind gusts as high as 70 mph.

Thunderstorm Wind in COOK, ILLINOIS
From 23-DEC-07 02:15:00 to 23-DEC-07 02:15:00 (CST-6)
Location: PALOS PARK
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous tree limbs and power lines were blown down.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 23-DEC-07 02:20:00 to 23-DEC-07 02:20:00 (CST-6)
Location: WOODSTOCK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was blown down blocking Mcconnell Road at Lily Pond.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 23-DEC-07 02:27:00 to 23-DEC-07 02:27:00 (CST-6)
Location: ADDISON
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down on a house.

Thunderstorm Wind in COOK, ILLINOIS
From 23-DEC-07 02:26:00 to 23-DEC-07 02:26:00 (CST-6)
Location: (MDW)MIDWAY ARPT CHI
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A gust to 68 mph was measured at Midway Airport.

Thunderstorm Wind in COOK, ILLINOIS
From 23-DEC-07 02:34:00 to 23-DEC-07 02:34:00 (CST-6)
Location: (ORD)O'HARE INTL ARP
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A gust to 63 mph was measured at Chicago O'hare Airport.

Thunderstorm Wind in COOK, ILLINOIS
From 23-DEC-07 02:30:00 to 23-DEC-07 02:30:00 (CST-6)
Location: EVERGREEN PARK
Magnitude: 66.00 MG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous trees, tree limbs and power lines were blown down.

Thunderstorm Wind in LIVINGSTON, ILLINOIS
From 23-DEC-07 01:17:00 to 23-DEC-07 01:17:00 (CST-6)
Location: ODELL
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A roof was blown off a building.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 23-DEC-07 01:20:00 to 23-DEC-07 01:20:00 (CST-6)
Location: GRAND RIDGE
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A machine shed was blown into a roadway.

Thunderstorm Wind in KANKAKEE, ILLINOIS
From 23-DEC-07 01:44:00 to 23-DEC-07 01:44:00 (CST-6)
Location: HERSCHER
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Utility poles were blown down.

Thunderstorm Wind in COOK, ILLINOIS
From 23-DEC-07 02:10:00 to 23-DEC-07 02:10:00 (CST-6)
Location: WORTH
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down at 117th Street and Ridgeland.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 23-DEC-07 02:15:00 to 23-DEC-07 02:15:00 (CST-6)
Location: WHEATON
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous tree limbs and power lines were blown down.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 23-DEC-07 01:20:00 to 23-DEC-07 01:20:00 (CST-6)
Location: OTTAWA
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A utility pole was snapped off.  Part of the pole went through the roof of a building.