Hail in Cerro Gordo County, Iowa

Hail October 24, 2024 · Cerro Gordo County, Iowa

1 in

Hail diameter

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

The wider storm

A shortwave moved into Iowa from South Dakota and Nebraska. Convection developed in ahead of, and with the shortwave axis, enhancing later in the evening with the development of the low level jet. ECAPE exceeded 1000 J/kg with effective shear of 30-40+ kts to aid in severe storm development. Additionally, directional shear in the low levels supported rotating updrafts supportive of hail development. Storms across the area produces penny to quarter sized hail with one report up to the size of golf balls.

Began near Mason City (43.1500, -93.2000).

Source: NOAA Storm Events Database, event 1218915. Narratives are written by the National Weather Service forecast office that issued the report.

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