Thunderstorm Wind in Story County, Iowa

Thunderstorm Wind September 22, 2025 · Story County, Iowa

58 mph

Estimated gust (50 kt)

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

What the National Weather Service wrote

Several large tree branches greater than 3 inches in diameter down around the city.

The wider storm

Storms developed in late afternoon along a boundary across northern Iowa, then sunk south through the evening. Storms were able to organize into a more cohesive line with 2000+ J/kg of MLCAPE and around 30 kts of shear. Storms initially resulted in a number of quarter sized hail reports, then transitions to wind damage as the cold pool surged south ahead of the line through the evening.

Began near Ames (42.0200, -93.6300).

Source: NOAA Storm Events Database, event 1297890. Narratives are written by the National Weather Service forecast office that issued the report.

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