Hail in Clayton County, Iowa

Hail April 18, 2025 · Clayton County, Iowa

1.25 in

Hail diameter

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

The public reported half dollar sized hail 4 miles south-southwest of Osterdock.

The wider storm

A complex of severe storms moved through portions of northeast Iowa during the pre-dawn hours producing numerous instances of large hail across the area on April 18th. The largest measured hailstone was in Charles City with a diameter of two inches across.

Began near Osterdock (42.7200, -91.1900).

Source: NOAA Storm Events Database, event 1253740. Narratives are written by the National Weather Service forecast office that issued the report.

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