Severe storms roared to life on Wednesday across the Chicago area, spawning numerous tornadoes and causing significant damage across the region.

According to NBC Chicago, Hundreds of flights were canceled and ground stops were ordered at both Midway and at O’Hare, where a tornado actually damaged warehouses near one of the runways. Thousands of ComEd customers were also left without power after the storms.


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The final tornado watch of the evening in Will and Kankakee counties in Illinois, as well as Lake, Porter, Newton and Jasper counties in Indiana, has been canceled, leaving the area free and clear of severe weather warnings and watches.

The lone exception is a flood warning along Thorn Creek in Cook County, which is in effect until 7 a.m. Thursday. According to ComEd, more than 10,000 customers are without power after Wednesday’s storms, with most of those outages occurring in Cook County.