The following events were reported: Flash Flood, Flood, Hail, Thunderstorm Wind. These occurred near station USW00014819, approximately 29.4477 km away, between 2006-10-02 12:51:00 and 2006-10-03 01:00:00. The events included records with hailstones measuring 25.17833333333333 inches. The flood was caused by Heavy Rain. The events resulted in 2 injuries and 0 fatalities. The events caused property damage valued at 1470000.0 and crop damage of 0.0. Episode Narrative: Severe thunderstorms developed over northeast Illinois during the afternoon on October 2nd. These thunderstorms caused significant wind damage across parts of the Chicago Metro Area. A second line of thunderstorms formed across far northern Illinois during the evening hours of October 2nd, and moved south across eastern Illinois during the late evening and early morning hours of October 3rd. Wind damage was widespread across all areas the thunderstorms affected. Severe thunderstorms developed over northeast Illinois during the afternoon on October 2nd. Event Narrative: Nickel to quarter size hail reported at Route 59 and Theodore. A large tree top was snapped off. Numerous utility poles blown down causing damage to houses. Trees were blown down at Interstate 55 and Route 52. Three to four inch diameter tree limbs blown down. Nickel size hail reported along 127th street at New Avenue and at State Street. Penny to Nickel size hail covering the ground. Nickel size hail reported at County Line and Caton Farm Roads. The roof of a junior high school was blown off in Hickory Hills near the intersection of 97th Street and Roberts Road. The roof landed on a service van in a parking lot next to the school. Two occupants in the van were trapped and injured. Numerous trees, tree limbs and power lines were blown down. Several homes along 97th Street received damage from falling trees and tree limbs. In Bridgeview, structural damage was noted to a warehouse buildings in an industrial park along 100th place, west of Harlem Avenue. A building of cinder block construction partially collapsed when the north and east walls were blown down. Additional minor damage was noted at Bridgeview Fire Station number 2. Winds were estimated between 80 and 110 mph. Numerous large tree limbs blown down all over the city. Quarter size hail reported at New Avenue and Archer Avenue. A gust to 60 mph was measured in Manhattan. Trees were blown down onto cars and homes. Trees and power lines were blown down onto a house. A five inch diameter tree limb was blown down at Hudson and Geneva. A large tree was blown down on 135th Street. A twelve inch diameter tree was blown down blocking State Street in Joliet. A light pole was blown down between mile markers 32.5 and 33 on Interstate 294. Several car struck the pole. A pilot reported that a tied down Cessna 172 was flipped over at the Lansing Airport. A construction trailer was also pushed over. Nickel size hail was reported at Cass Avenue and 75th Street. Quarter to golf ball size hail was reported across much of Plainfield. Quarter size hail fell for 10 minutes at the Intersection of Route 30 at 127th Street. Six inches of water in the streets in Timber Ridge subdivision. Nickel size hail reported at Plainfield/Naperville Road at 135th Street. Quarter size hail reported at Interstate 55 and Weber Road. Penny size hail reported at Interstate 57 and Route 30. Street flooding reported with water in yards up to houses. Street flooding 3 feet deep in spots. Large tree limbs blown down near Glenwood and Midland Avenue. Numerous trees and tree limbs were blown down on west side of Crest Hill and the north and northwest side of Joliet. Several garage doors damaged by wind. One garage door blown in causing damage to the structure. A fence was also blown down. Six to eight inches of moving water was reported at Naperville and Lily Cache Roads. Ten inches of standing water was reported on the Joliet Road underpass at Interstate 55. One and a half feet of water was reported at the intersection of Fernwood and Abbywood. Five inches of water covering intersection of Creekside and Galewood Roads. In Joliet, two feet of water was reported on Madison Avenue and one to two feet was reported at Oneida and Hammes. Storm total rainfall included 4.75 inches in Joliet, 3.74 inches in Romeoville and 2.78 inches in Plainfield.