Bellis Blog: EF-1 tornado confirmed Sunday

- Sunday, August 2nd turned out to be an active day around the Chicago area in terms of severe storms.

The combination of temperatures in the low 90s, dew points in the low 70s, and an approaching cold front resulted in several severe thunderstorms. Most of the storms produced spotty, damaging winds and hail.

However, one thunderstorm produced tornado damage across Lake County between 8:45 and 9:00 p.m. An EF-1 rating was given to the tornado that touched down near Round Lake and continued near Hainesville, then to Grayslake before lifting near Wildwood.

Winds were estimated between 90-100mph with a path length of 7.5 miles, and a maximum width of 300 yards.

The tornado count this year is well above normal for northern Illinois. To date, 26 tornadoes have touched down this year compared to the average of 10.

Sixty-four tornadoes have touched down around the state compared to the average of 54.

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