Thunderstorm Wind — Grundy, Iowa

2024-05-08 · near Reinbeck, Grundy, Iowa

Event narrative

Trained spotter reported branches down.

Wider weather episode

A shortwave passed across Iowa, providing focus for late afternoon and evening thunderstorms. The main instability axis remained south of the area, however modest instability was still available for storm growth. Steep midlevel lapse rates were available to support hail growth and dry low levels with DCAPE near 1000 J/kg supported strong wind gusts. Storms were strongest across central Iowa, procuring quarter sized hail and a few damaging wind gusts.

View location on OpenStreetMap → (42.3200, -92.6000)

Source: NOAA Storm Events Database, event_id 1183217. Narrative written by the NWS forecast office that issued the report.