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EF1 tornado in Warren County, Illinois

Tornado March 14, 2024 · Warren County, Illinois

EF1
Rating
1.1 mi
Whole path
150 yd
Path width

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

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 150 yards (0.09 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 early Thursday morning, just northwest of Avon in Warren County Illinois. The tornado caused significant damage at two farmsteads, which included destroyed outbuildings and machine sheds, damaged grain bins, uprooted trees, and snapped power poles. The tornado was on the ground for about one mile, and dissipated just into Fulton County IL, east of North Twin Bridge Road. Maximum winds were estimated around 110 mph, and the tornado was rated a high-end EF1. There were no reports of any injuries.

The wider storm

Widespread severe weather was seen overnight from March 13 into 14 across southeast Iowa, northeast Missouri, and western Illinois. Several severe wind and hail reports were received, along with an EF1 tornado in Warren County.

Began near Greenbush (40.6860, -90.4630).

Source: NOAA Storm Events Database, event 1167312. Narratives are written by the National Weather Service forecast office that issued the report.

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