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EF1 tornado in Kankakee County, Illinois

Tornado June 5, 2010 · Kankakee County, Illinois

EF1
Rating
0.6 mi
Path length
50 yd
Path width
$75K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 50 yards (0.03 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

Spotters witnessed a brief secondary tornado to the north of the primary St. Anne tornado. This tornado touched down in a farm field near a creek, about 1/4 mile north of County Road 3500 S, and one quarter mile west of Illinois Route 1. It destroyed a machine shed and flipped over a large grain trailer. The tornado also blew down large tree limbs.

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 Wichert (41.0734, -87.7410).

Other tornadoes from the same storm system

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

EF3 La Salle CountyEF3 Kankakee CountyEF2 Livingston County 1 deadEF1 Kankakee CountyEF0 La Salle CountyEF0 La Salle CountyEF0 Livingston CountyEF0 Livingston CountyEF0 La Salle CountyEF0 Livingston County

Source: NOAA Storm Events Database, event 226114. Narratives are written by the National Weather Service forecast office that issued the report.

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