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Environment

Rare triple dip La Ni単a expected to occur for first time this century

The eastern Pacific is expected to be unusually cold for the third winter in a row, contributing along with climate change to extreme precipitation and drought

By James Dinneen

18 November 2022

Australian floods due to La Ni単a

La Ni単a is contributing to flooding in Australia

Getty Images/Moment RF

La Ni単a conditions in the eastern Pacific Ocean are expected to continue for the third winter in a row. This rare triple dip has contributed to extreme weather in many parts of the world, including heavy rains causing flooding in Australia and a drought in the Horn of Africa that has led to a hunger crisis.

Sea surface temperatures in the tropical Pacific have outsized influence on global atmospheric conditions. A pattern of cold temperatures in the eastern Pacific known as La Ni単a is…

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