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EF1 tornado in Kankakee County, Illinois

Tornado June 7, 2008 · Kankakee County, Illinois

EF1

Rating

14.5 mi

Whole path

40 yd

Path width

$500K

Damage as recorded

NOAA records this tornado county by county. Its path ran through Kankakee County → Will County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 40 yards (0.02 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF1 means. On the Enhanced Fujita scale, EF1 is moderate damage: roofs badly stripped, mobile homes pushed off foundations or overturned, windows broken, consistent with estimated gusts of 86–110 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 just west of 17000W, just south of County Line Road, in far northwest Kankakee County. The tornado uprooted large trees and snapped a small hardwood tree before crossing into southwest Will County.

The wider storm

A single supercell thunderstorm developed over western Illinois and moved northeast reaching Lake Michigan near the Illinois Indiana state line several hours later. This single thunderstorm produced eight different tornadoes as it moved east across Illinois.

Began near Essex (41.1984, -88.2060).

Other tornadoes from the same storm system

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

EF2 Will County EF2 Will County EF1 Livingston County EF1 Cook County EF0 Livingston County EF0 Cook County

Source: NOAA Storm Events Database, event 105504. Narratives are written by the National Weather Service forecast office that issued the report.

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