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Watch El Niño replace La Niña in the first half of 2023


After three years of La Nina's influence on the tropics, conditions transitioned to El Niño in June 2023. The warmth shows up first in the far eastern tropical Pacific and steadily moves westward to engulf the Galápagos Islands and overtake the cool waters in the key El Niño-monitoring region. Read more in our latest ENSO blog.

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