The first of two rounds of severe weather occurred during the early morning hours. This first round was associated with strong low level southwest winds ahead of a deep low pressure center along the Missouri/Nebraska border. Most of the severe weather during the early morning hours was damaging wind associated with short lines of storms.

Thunderstorm Wind in ALEXANDER, ILLINOIS
From 18-OCT-07 02:45:00 to 18-OCT-07 02:45:00 (CST-6)
Location: CAIRO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in HAMILTON, ILLINOIS
From 18-OCT-07 02:40:00 to 18-OCT-07 02:40:00 (CST-6)
Location: HOODVILLE
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Downed trees blocked Highway 142 South.

Thunderstorm Wind in JACKSON, ILLINOIS
From 18-OCT-07 01:50:00 to 18-OCT-07 02:00:00 (CST-6)
Location: MURPHYSBORO
Magnitude: 61.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

In Murphysboro, windows were blown out of two structures. In Carbondale, a tree was down on two cars. One of the cars received major damage, and the other received only minor damage. In addition, a power pole was broken, a window was broken, and a couple of trees fell on power lines. In Desoto, a tree fell through the front of a vacant house. The house was destroyed by the 10-foot diameter tree. Power lines and at least one other large tree were down in Desoto. Tree debris was on roadways at nearly 20 locations, mostly in Carbondale. Numerous roads south of Carbondale were temporarily closed due to fallen trees.

Thunderstorm Wind in UNION, ILLINOIS
From 18-OCT-07 01:55:00 to 18-OCT-07 02:10:00 (CST-6)
Location: REYNOLDSVILLE
Magnitude: 52.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees and power lines were down across a road.

Thunderstorm Wind in FRANKLIN, ILLINOIS
From 18-OCT-07 02:15:00 to 18-OCT-07 02:18:00 (CST-6)
Location: VALIER
Magnitude: 60.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A 42 by 48 foot pole barn was destroyed two miles east of Valier. Wind gusts were estimated near 60 MPH in Valier, where a few trees were down.

Thunderstorm Wind in FRANKLIN, ILLINOIS
From 18-OCT-07 02:15:00 to 18-OCT-07 02:30:00 (CST-6)
Location: WEST FRANKFORT
Magnitude: 52.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A number of downed trees and power lines were reported countywide, especially in West Frankfort and Christopher. A tree fell on top of a house in West Frankfort. Other damage in the county included destroyed gazebos, overturned carports, and destroyed chicken coops. Most of the downed power lines were due to trees falling on them.

Thunderstorm Wind in PULASKI, ILLINOIS
From 18-OCT-07 02:18:00 to 18-OCT-07 02:18:00 (CST-6)
Location: MOUNDS
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Two trees were down on Highway 936 just south of Villa Ridge. Trees were down across U.S. Highway 51 between Mounds and Villa Ridge.

Thunderstorm Wind in WAYNE, ILLINOIS
From 18-OCT-07 02:48:00 to 18-OCT-07 02:48:00 (CST-6)
Location: SIMS
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A few trees and power lines were down.

Thunderstorm Wind in WAYNE, ILLINOIS
From 18-OCT-07 03:00:00 to 18-OCT-07 03:00:00 (CST-6)
Location: MT ERIE
Magnitude: 61.00 EG
Property damage: 30.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A 40 by 72 foot machine shed was destroyed. 10 to 15 trees in a row were snapped or uprooted. There was minor damage to a metal garage.

Thunderstorm Wind in WILLIAMSON, ILLINOIS
From 18-OCT-07 02:15:00 to 18-OCT-07 02:25:00 (CST-6)
Location: MARION
Magnitude: 54.00 MG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Downed trees were reported in Johnston City. Winds were measured at 62 mph. In Marion, a storm chaser reported limbs down due to estimated wind gusts around 60 mph.