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EF0 tornado in Du Page County, Illinois

Tornado June 20, 2021 · Du Page County, Illinois

EF0

Rating

0.4 mi

Path length

75 yd

Path width

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

Based on an eyewitness account and damage seen during an NWS storm survey, it was determined a brief tornado with peak winds of 70 mph touched down at the intersection of Lake Street and Villa Avenue. The tornado was on the ground for less than one minute and produced sporadic tree damage along its track. A gazebo was lifted and flipped over a fence. The tornado ended near McNair Avenue.

The wider storm

A line of severe thunderstorms moved across northern Illinois during the late evening of June 20th and the early morning of June 21st producing wind damage and three tornadoes.

Began near Addison (41.9291, -87.9783).

Other tornadoes from the same storm system

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

EF3 Du Page County EF0 Will County

Source: NOAA Storm Events Database, event 960421. Narratives are written by the National Weather Service forecast office that issued the report.

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