Event Brief
Heat Advisory Issued as Humidity Pushes Heat Index to 109
By The BriefBrief · Sources (1)
Filed: Aug 20, 2026 at 8:00 AM ET
Summary: 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.
ℹ️ This event is analyzed using pattern arcs, velocity indicators, and source analysis in our MI Console.
Triple-Digit Heat Indexes, Storms Set for Tampa Bay
Heat Index
Aug 20, 2026 at 8:00 AM ET
🔒
FlixBus launches Tampa-to-Atlanta route
Flixbus
Aug 20, 2026 at 8:00 AM ET
🔒
Clearwater man drove into pond after drinking
Clearwater
Aug 20, 2026 at 8:00 AM ET
🔒
FHP: DUI, super speeder charges after 120 mph chase
Fhp
Aug 20, 2026 at 8:00 AM ET
🔒
