EF0 tornado in Clayton County, Iowa

Tornado March 31, 2023 · Clayton County, Iowa

EF0

Rating

11.1 mi

Whole path

90 yd

Path width

NOAA records this tornado county by county. Its path ran through Delaware County → Clayton County; the totals above are for the whole tornado.

EF0EF1EF2EF3EF4EF5Unrated

The path drawn at its surveyed width of 90 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

A tornado developed in Delaware County, crossed into Clayton County between Edgewood and Colesburg, and crossed Horseshoe Road before dissipating.

The wider storm

A complex storm system brought severe weather to parts of northeast Iowa during the late afternoon of Friday, March 31, 2023. Reports of 1.0 to 1.25 inch hail were reported in Mitchell and Floyd Counties. The largest hail reported was half dollar in Stacyville (Mitchell County) and Colwell (Floyd County). An EF0 tornado entered rural Clayton County out of Delaware County near Edgewood and dissipated shortly thereafter, resulting in minimal damage.

Began near Garber (42.6460, -91.2680).

Source: NOAA Storm Events Database, event 1085969. Narratives are written by the National Weather Service forecast office that issued the report.

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