Heat — Zapata, Texas

2023-08-09 · Zapata, Texas

Event narrative

The Zapata County Airport AWOS reported a heat index of 111 by 3:55 PM CDT, with 111 or higher values persisting until approximately 6:55 PM CDT on August 9th.

Wider weather episode

Persistent mid-level ridging aloft combined with ample low-level moisture to provide high heat and humidity across the Rio Grande Valley and Deep South Texas much of August.

Source: NOAA Storm Events Database, event_id 1118530. Narrative written by the NWS forecast office that issued the report.