Flossmoor Hit By 1 Of 19 Confirmed Tornadoes, Count Still Ongoing: NWS

FLOSSMOOR, IL — The National Weather Service has confirmed that Flossmoor was hit by an EF-1 tornado during Monday's massive storm.

As of Wednesday night, the weather service had upped its count from 11 to 19 confirmed tornadoes during the derecho—or a windstorm with fast-moving rain showers—with one tracking from Flossmoor to Thornton.

Multiple EF-0 tornadoes as well as EF-1 tornadoes and one EF-2 have been confirmed. The Enhanced Fujita scale rates tornadoes from 0 to 5 based on wind speed. An EF-0 tornado brings winds of 65 mph to 85 mph, while EF-1 tornadoes bring winds of 86 mph to 110 mph. The last known Chicago-area EF-5 tornado — the highest rating on the scale, with winds over 200 mph — was the 1990 Plainfield-area tornado.

In addition to the EF-1 that tracked from Flossmoor to Thornton, the National Weather Service Chicago has confirmed the following Monday night tornadoes so far. The tornadoes are listed by EF ratings; newly determined tornadoes are bolded.

• Crestwood to Blue Island, EF-0
• West Town (Chicago), EF-0
• Peotone, EF-0, (track to be determined)
• Manteno EF-0, (track to be determined)
• Southern Winnebago County, at least one EF-0 tornado
• Shelby to Wheatfield Township, EF-0
• Byron, EF-0
• Davis Junction, EF-0
• Sugar Grove to North Aurora, EF-0
• Yorkville to south Naperville, EF- 1 tornado with peak winds of 100 mph
• Minooka to Joliet, EF-1 tornado with peak winds of 110 mph
• Crest Hill to Lockport, EF-0
• Justice, EF-1 tornado with peak winds of 90 mph
• Chicago near West Side, EF-1 tornado with peak winds of 95 mph
• Chicago Lawn to West Englewood, EF-1 tornado with peak winds of 90 mph
• Cedar Lake to Crown Point, Indiana, EF-1 tornado with peak winds of 90 mph; this tornado left a woman dead after a tree fell on her home
• Sugar Grove to Aurora, EF-1
• Channahon to Matteson, upgraded to EF-2 tornado with peak winds of 120 mph

Power outages are ongoing, with ComEd reporting it has restored power to 95 percent of customers impacted. Crews will continue to work around the clock to restore power to those in the hardest hit areas, the company said. Based on the history of similar storms of this size across the ComEd service area, they expect the remaining customers to be restored by Friday, July 19, at 6 p.m.

Customers still impacted by outages include:

• Cook County: 10,152
• Will County: 2,947
• Winnebago County, IL: 1,819
• Dupage County, IL: 313
• Bureau County, IL: 296
• Grundy County, IL: 235
• Ogle County, IL: 195
• Lee County, IL: 113
• Kankakee County, IL: 90
• Stephenson County, IL: 77

The newly confirmed tornadoes bring the two-day total for the July 14–15 event to 25, with still several locations left to be surveyed and analyzed, the weather service said.