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Southern California swelters as late-season heatwave smothers region

Southern California swelters as late-season heatwave smothers region

Summary

Southern California is experiencing unusually high fall temperatures, with heatwaves causing daytime temperatures to reach near 100°F in Los Angeles and exceed 100°F inland. Meteorologists say climate change is making these heatwaves more frequent and longer, increasing health risks and the chance of wildfires.

Key Facts

  • The National Weather Service issued heatwave advisories for Southern California lasting at least a week.
  • Temperatures are 15-20 degrees Fahrenheit above normal, with some inland areas reaching triple digits.
  • Heatwaves in the region often occur in October due to high air pressure, but this year’s heat is unusually strong.
  • A marine heatwave and a strong El Niño are also contributing to higher temperatures.
  • UCLA experts say the heatwave is about 7°F hotter than any previous October 2 on record.
  • Climate change makes heatwaves more likely and lasting longer by raising global temperatures.
  • Lack of strong winds reduces wildfire spread risk, but high heat and dry soil still make fires more possible.
  • Researchers suggest adding more shade and heat adaptation measures to protect people during these extreme events.
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