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EF1 tornado in Marion County, Illinois

Tornado April 7, 2024 · Marion County, Illinois

EF1
Rating
1.3 mi
Path length
25 yd
Path width
$30K
Damage as recorded
EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 25 yards (0.01 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

Around 5:21 pm, a brief tornado touched down just southeast of the intersection of North 600th Street and Davis Road, where it destroyed a farm outbuilding, lofting debris into surrounding trees and powerlines. The tornado continued to the northeast causing minor damage to the roof of a small farm shed on Flat Creek Drive before lifting and dissipating. The tornado was rated EF-1 with a maximum estimated wind speed of 90 mph. The path length was 1.26 miles with a maximum path width of 25 yards. No deaths or injuries were reported.

The wider storm

On the afternoon of April 7th, convection fired along a cold front stretching along the Mississippi River. There was an isolated threat of severe weather through the evening hours. Portions of Clinton and Marion counties were impacted by this, seeing isolated large hail, damaging winds, and an EF-1 tornado.

Began near Vernon (38.8120, -89.1370).

Source: NOAA Storm Events Database, event 1172370. Narratives are written by the National Weather Service forecast office that issued the report.

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