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EF0 tornado in Cook County, Illinois

Tornado September 3, 2018 · Cook County, Illinois

EF0

Rating

1.7 mi

Path length

75 yd

Path width

$10K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 75 yards (0.04 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 weak EF-0 tornado produced mainly tree damage in western Chicago. The first damage was noted on Arthington Street, just west of Cicero Avenue. A continuous path of mostly minor tree damage extended to the east northeast crossing Interstate 290 near Pulaski Road with the final damage noted near Garfield Park, between 5th Avenue and Jackson Blvd near Central Park Avenue. One tree was blown into an apartment building knocking out windows and a couple of large tree limbs fell onto cars.

The wider storm

Strong to severe thunderstorms moved across portions of northern Illinois during the afternoon of September 3rd.

Began near Berwyn (41.8693, -87.7457).

Source: NOAA Storm Events Database, event 785033. Narratives are written by the National Weather Service forecast office that issued the report.

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