Excessive Heat — Shelby, Iowa

2023-07-28 · Shelby, Iowa

Event narrative

Harlan AWOS had a heat index at or above 110 for approximately 5 hours. The peak heat index was 119.

Wider weather episode

July 28 was a hot day as temperatures in southwest Iowa peaked in the low 90s. Dewpoint temperatures rose into the high 70s and low 80s. This resulted in heat index values that peaked above 120.

Source: NOAA Storm Events Database, event_id 1123379. Narrative written by the NWS forecast office that issued the report.