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EF0 tornado in Winneshiek County, Iowa

Tornado August 5, 2024 · Winneshiek County, Iowa

EF0

Rating

0.3 mi

Path length

30 yd

Path width

$10K

Crop damage

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 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

This brief EF-0 tornado developed about 2 miles southeast of Bluffton. It lasted for one minute, damaging several trees but causing no damage to structures.

The wider storm

During the evening hours on August 5th, a line of severe thunderstorms brought strong winds to portions of northeast Iowa. Additionally, an embedded supercell thunderstorm would go on to produce three tornadoes in northeast Iowa.

Began near Bluffton (43.3920, -91.8930).

Other tornadoes from the same storm system

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

EF1 Allamakee County EF0 Winneshiek County

Source: NOAA Storm Events Database, event 1212819. Narratives are written by the National Weather Service forecast office that issued the report.

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