Heat — Coastal Willacy, Texas

2023-08-09 · Coastal Willacy, Texas

Event narrative

The Cameron County Airport ASOS reported a heat index of 111 by 11:53 AM CDT, with 111 or higher values persisting until approximately 2:53 PM CDT on August 9th.By proxy, it can be assumed that Coastal Willacy County had similar conditions.

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 1136110. Narrative written by the NWS forecast office that issued the report.