Hail in Dickinson County, Iowa

Hail April 28, 2025 · Dickinson County, Iowa

0.75 in

Hail diameter

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

The wider storm

Thunderstorms erupted along a cold front and a post-frontal boundary during the afternoon and early evening of April 28. Steep mid-level lapse rates around 8C/km and 55 to 65 knots of deep-layer shear led to severe storm structures, which evolved toward smaller-scale linear features along strong outflow pools with 60 to 65 mph winds during the event. Post-frontal storms developed in an environment of up to 1000 J/kg MUCAPE which favored mainly large hail.

Began near Fuller Fld Arpt (43.2700, -95.1100).

Source: NOAA Storm Events Database, event 1256806. Narratives are written by the National Weather Service forecast office that issued the report.

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