Thunderstorm Wind — Story, Iowa

2025-09-22 · near Ames, Story, Iowa

Event narrative

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

Wider weather episode

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.

View location on OpenStreetMap → (42.0200, -93.6300)

Source: NOAA Storm Events Database, event_id 1297890. Narrative written by the NWS forecast office that issued the report.