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EF0 tornado in Dubuque County, Iowa

Tornado July 23, 2016 · Dubuque County, Iowa

EF0

Rating

0.8 mi

Path length

25 yd

Path width

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 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

Local law enforcement reported a brief tornado between Farley, Worthington, and Dyersville.

The wider storm

A disturbance interacting with a frontal system produced an area of severe thunderstorms with numerous damaging winds, some flash flooding and a few isolated, brief tornadoes.

Began near Worthington (42.4235, -91.1265).

Other tornadoes from the same storm system

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

EF1 Delaware County EF1 Buchanan County

Source: NOAA Storm Events Database, event 653372. Narratives are written by the National Weather Service forecast office that issued the report.

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