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EF1 tornado in Kankakee County, Illinois

Tornado June 5, 2010 · Kankakee County, Illinois

EF1
Rating
0.6 mi
Path length
30 yd
Path width
$500K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

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 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 brief tornado developed about 5 miles southwest of Kankakee, or 3 miles south of Limestone, in southern Kankakee County. This brief tornado caused damage to a farm just north of the intersection of 5000W Road and 3000S Road. Several trees were uprooted or snapped. A machine shed on the property was destroyed, along with farm equipment and vehicles. A quonset building was damaged, and a fence was blown over. The tornado was rated EF1 with winds estimated at around 100 mph.

The wider storm

Severe thunderstorms, including a few long tracked supercells moved across central and northern Illinois, producing damaging winds, hail and tornadoes.

Began near Irwin (41.0785, -87.9699).

Other tornadoes from the same storm system

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

Source: NOAA Storm Events Database, event 226109. Narratives are written by the National Weather Service forecast office that issued the report.

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