Heat — Coastal Willacy, Texas

2023-09-23 · Coastal Willacy, Texas

Event narrative

The Cameron County Airport Automated Surface Observing System recorded approximately four hours of apparent temperature of 111 or higher, with values peaking at 115 degrees just before 2 pm. By proxy, similar values can be extrapolated to locations in Coastal Willacy County.

Wider weather episode

The unrelenting pattern known as 'La Canicula' (the Dog Days of Summer) produced a final round of excessive heat just after astronomical summer (which ended on September 22) of 2023. Afternoon heat index values reached or exceeded 111 for several hours in these areas, and ambient temperatures were at or just below 100 degrees during the period.

Source: NOAA Storm Events Database, event_id 1142665. Narrative written by the NWS forecast office that issued the report.