Gatesville heat index hits 123 degrees amid dangerous Coryell County heat
Gatesville’s heat index climbed to 123 degrees as a noon-to-7 p.m. Heat Advisory covered the city and county forecasts still pointed to triple-digit stress.
A heat index of 123 degrees in Gatesville pushed Coryell County into dangerous heat stress, with the National Weather Service keeping a Heat Advisory in effect from noon to 7 p.m. for the city. The official forecast for Coryell County still called for highs in the upper 90s and afternoon heat index values up to 112 degrees, but the reading at Gatesville City-County Airport, KGOP, was even higher at the airport’s 906-foot elevation.
The county forecast also called for sunny skies and south winds of 10 to 15 mph, but neither offered much relief from the humidity driving the heat index upward. That made Gatesville’s 123-degree reading stand out sharply from the broader county outlook and from recent regional forecasts that had already been warning of oppressive conditions across Central Texas.
Earlier weather coverage had put the region in a lower, though still uncomfortable, range. Chief Meteorologist Mike LaPoint said on June 9 that summertime heat would continue with highs in the 90s and heat index values up to 105, and again on June 11 described hot, humid conditions with heat index values between 100 and 105 degrees. Thursday’s Gatesville reading went well beyond those levels, signaling a more severe round of heat stress for Coryell County.
The National Weather Service says heat forecast tools are designed to assess the potential for heat stress from extreme temperatures and help determine watches, warnings and advisories. In practical terms, that warning matters most during the hottest hours of the day, when anyone working outside, traveling without air-conditioning or spending long stretches in the sun can run into serious trouble fast.
For Coryell County, the combination of a Heat Advisory, upper-90s temperatures and a local heat index that spiked to 123 degrees underscored how quickly summer conditions can turn hazardous in Gatesville. The forecast left little margin for error, and the county’s hottest stretch arrived with conditions already in the danger zone.
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