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EF0 tornado in Marion County, Iowa

Tornado May 7, 2024 · Marion County, Iowa

EF0

Rating

5.0 mi

Path length

80 yd

Path width

$8K

Damage as recorded

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 80 yards (0.05 mi) — zoom in and the swath grows to true scale. Other tornadoes recorded nearby that day are shown faint.

What EF0 means. On the Enhanced Fujita scale, EF0 is light damage: shingles and siding peeled, gutters torn, branches broken, consistent with estimated gusts of 65–85 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

The emergency manager had a path of damage across central Marion County to the southeast of Knoxville. The tornado remained mostly in rural fields with damage occurring at a couple of farmsteads, mainly to trees.

The wider storm

A quasi-linear convective system (QLCS) swept across Iowa late on May 6th and into the early morning hours of May 7th. The line was strongest in southern Iowa where the environment was more supportive of severe weather. Damaging winds and a few embedded tornadoes occurred as the line swept across the state.

Began near Pershing (41.2550, -93.0637).

Other tornadoes from the same storm system

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

EF1 Clarke County EF0 Clarke County EF0 Warren County EF0 Jasper County

Source: NOAA Storm Events Database, event 1170125. Narratives are written by the National Weather Service forecast office that issued the report.

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