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55% Chance of La Niña: Heavy Rainfall Expected

9/4/2025

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Story summary
  • The World Meteorological Organization (WMO) predicts a 55% chance of La Niña returning from September to November 2025, likely causing heavy rainfall but not significantly lowering global temperatures.
  • La Niña's effects on UK weather this autumn remain uncertain, with possible strong winds and varying conditions due to Atlantic hurricanes.
  • This phenomenon is linked to ongoing human-induced climate change, which intensifies extreme weather worldwide.