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NewsTampa Bay TimesOctober 27, 2026Hillsborough County

Tampa Bay experiences surge in lightning strikes during stormy summer and September

Photo: Tampa Bay Times

Cloud-to-ground lightning strikes across Florida ranked second-highest over the past decade during the summer rainy season, rising about 28% from the previous year. Tampa recorded more than twice its typical lightning amount in September, jumping from roughly 21,200 strokes on average to nearly 49,000.

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Why It Matters

Florida leads the nation in lightning fatalities with seven deaths reported this year, while severe strikes have ignited local fires and displaced hundreds of residents.

Key Facts

  • Cloud-to-ground lightning strikes across Florida ranked second-highest over the last decade during the summer rainy season, up about 28% from last year.
  • Florida leads the nation in lightning fatalities this year, with seven deaths recorded, including a woman and her toddler daughter in South Florida and a man in Fort De Soto Park.
  • Tampa recorded nearly 49,000 lightning strokes in September, more than double its typical monthly average of around 21,200.
  • Vaisala Xweather data shows Florida has the highest density of lightning in the country with about 305 lightning events per square mile, followed by Oklahoma with 253.
  • A lightning flash can heat surrounding air about five times hotter than the surface of the sun and carry about 300 million volts.
  • Lightning strikes are suspected of causing a May fire at USF St. Petersburg's Marine Science Lab and an August apartment fire in Wesley Chapel that displaced about 200 people.
  • Meteorological records indicate Lakeland recorded its hottest summer ever, St. Petersburg ranked fifth warmest, and Tampa recorded its eighth hottest.
  • On August 20, Florida experienced more than 90,000 instances of lightning driven by colliding weather boundaries and atmospheric instability.
  • Data indicates that since 2020, July has been noticeably quieter for lightning, shifting heavier activity into August and September.
  • Experts note that a historic El Niño is influencing weather patterns, potentially bringing more severe weather and lightning to Florida in the fall and winter.

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