Hail — O'brien, Iowa

2025-09-16 · near Ritter, O'brien, Iowa

Wider weather episode

With less than 10 knots of deep-layer shear, isolated thunderstorms were very slow moving along existing outflow boundaries and resulted in several complimentary boundary interactions. One such interaction resulted in a stronger and more persistent updraft, with hail up to half-dollar size for a brief time.

View location on OpenStreetMap → (43.2500, -95.7300)

Source: NOAA Storm Events Database, event_id 1292620. Narrative written by the NWS forecast office that issued the report.