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EF0 tornado in O'brien County, Iowa

Tornado May 11, 2014 · O'brien County, Iowa

EF0

Rating

0.5 mi

Path length

50 yd

Path width

$5K

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 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

A tornado damaged a trees, and damaged a vehicle with flying debris.

The wider storm

Thunderstorms in the late afternoon and early evening of May 11th produced large hail and damaging winds in northwest Iowa, as well as two tornadoes which caused damage. The severe weather occurred in Cherokee, O'Brien, and Sioux Counties.

Began near Sheldon (43.1780, -95.8140).

Other tornadoes from the same storm system

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

EF1 Sioux County EF0 Sioux County

Source: NOAA Storm Events Database, event 516468. Narratives are written by the National Weather Service forecast office that issued the report.

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