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EF0 tornado in Cook County, Illinois

Tornado July 15, 2024 · Cook County, Illinois

EF0
Rating
1.2 mi
Path length
175 yd
Path width
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 175 yards (0.10 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 mph. The rating comes from a survey of the worst damage after the storm, not from a wind measurement, so it says as much about what the tornado hit as about how strong it was.

What the National Weather Service wrote

A tornado with estimated peak winds of 85 mph touched down near Roosevelt Road and Bristol Avenue and moved east northeast. Surveillance video showed roof, siding and window damage occurring to a warehouse building on Gardener Road, just north of Roosevelt Road. The tornado continued east peeling off portions of the roofs of three apartment buildings along 25th Avenue, north of Roosevelt Road and depositing the roofing material into an adjacent alley. A garage partially collapsed on 25th Avenue. The tornado then produced only tree damage before it ended near 12th Street between Harvard Street and Fillmore Street.

The wider storm

A derecho moved across northern Illinois during the evening of July 15th producing widespread wind damage and 30 tornadoes in northeast Illinois. One of these tornadoes crossed into northwest Indiana. At the height of the storms, 430,000 customers lost power with some power not restored for four days, on July 19th.

Began near Broadview (41.8641, -87.8692).

Other tornadoes from the same storm system

25 more tornadoes the National Weather Service filed under this storm episode.

EF2 Grundy CountyEF1 Kane CountyEF1 Kendall CountyEF1 Kendall CountyEF1 Cook CountyEF1 Cook CountyEF1 Cook CountyEF1 Cook CountyEF1 Kankakee CountyEF1 Will CountyEF0 Livingston CountyEF0 Winnebago CountyEF0 Ogle CountyEF0 Ogle CountyEF0 Ogle CountyEF0 Kane CountyEF0 Will CountyEF0 Du Page CountyEF0 Du Page CountyEF0 Du Page CountyEF0 Cook CountyEF0 Cook CountyEF0 Kankakee CountyEF0 Will CountyEFU De Kalb County

Source: NOAA Storm Events Database, event 1194270. Narratives are written by the National Weather Service forecast office that issued the report.

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