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EF0 tornado in McLean County, Illinois

Tornado September 18, 2022 · McLean County, Illinois

EF0

Rating

3.0 mi

Path length

30 yd

Path width

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The path drawn at its surveyed width of 30 yards (0.02 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 touched down on the southwest side of LeRoy at 12:28am CDT, knocking a power pole onto a mobile home and a tree onto another mobile home. The tornado tracked southeastward through the southern part of town doing minor tree damage, causing partial roof damage to two duplexes, and tipping over two semis on I-74. It continued southeastward, partially damaging a roof 2.5 miles southeast of LeRoy before dissipating in a field about 3.5 miles southeast of LeRoy at 12:34am CDT.

The wider storm

A cold front interacting with a warm and humid airmass triggered several clusters of strong to severe thunderstorms across parts of central Illinois during the evening of September 18th into the early morning of September 19th. The storms were concentrated along and north of I-74 and along and southwest of a Rushville to Springfield line. Many of the storms produced wind damage and large hail, with the largest 2.5 inch-diameter hailstones being observed in Mahomet in Champaign County. In addition, an EF-0 tornado touched down near LeRoy in McLean County causing minor roof damage and knocking down several trees and power poles.

Began near Le Roy (40.3400, -88.7700).

Source: NOAA Storm Events Database, event 1056652. Narratives are written by the National Weather Service forecast office that issued the report.

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