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Argentina temporarily closes Iguazu Falls after El Niño-fuelled surge in water levels

Argentina temporarily closes Iguazu Falls after El Niño-fuelled surge in water levels

Summary

Argentina temporarily closed the Iguazu Falls to tourists due to heavy rain from a strong El Niño weather pattern, which caused river water levels to rise quickly. The park reopened after water levels began to drop.

Key Facts

  • Iguazu Falls is a large waterfall on the border between Argentina and Brazil.
  • Heavy rain caused water flow in the Iguazu River to rise to over 12,000 cubic meters per second, more than six times normal.
  • Authorities closed the falls on the Argentinian side for safety reasons but reopened it after the river flow decreased.
  • The heavy rain was caused by a strong El Niño event, a natural weather pattern that changes winds and rainfall.
  • El Niño usually starts in the Pacific Ocean and peaks in December, but its effects can last into the next year.
  • Scientists say global warming is making El Niño events more intense.
  • Similar closures happened in 2023 and 2024 due to flooding from earlier El Niño activity.
  • Argentina’s coastal region had unusually high rainfall recently, linked to the current El Niño.
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