Hail in Winnebago County, Iowa

Hail September 19, 2024 · Winnebago County, Iowa

1 in

Hail diameter

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

The wider storm

Storms developed along a boundary draped across northern Iowa on the afternoon of September 19th with additional storms through the evening on a cold front that moved across the area later in the evening. With over 2000 J/kg of available MLCAPE, steep lapse rates, and modestly curved hodographs that supported rotating updrafts, hail was reported in several of the storms that developed. Storms later into the evening produced wind damage in parts of southern Iowa.

Began near Lake Mills (43.4200, -93.5300).

Source: NOAA Storm Events Database, event 1211581. Narratives are written by the National Weather Service forecast office that issued the report.

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