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Event Brief

Heat Advisory Issued as Humidity Pushes Heat Index to 109

A heat advisory starts 11 a.m. Thursday across west-central/southwest Florida as humidity drives heat index values up to 109.
WHO: National Weather Service (Tampa Bay Ruskin)
WHAT: Heat advisory due to dangerously high humidity and elevated heat index values
WHEN: Aug 20, 2026 at 7:47 AM ET
WHERE: West Central Florida and Southwest Florida
WHY: High temperatures combined with humid conditions are expected to push heat index values up to 109.

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