11:30
27 February 2025

Abrupt end to La Niña
Weather phenomenon ends suddenly

From January, heat suddenly returned to the Pacific Ocean. - © ClimateReanalyzer.org

All signs pointed to a La Niña year, until January where temperatures in the Pacific Ocean suddenly started rising.

La Niña is the cooler period of the El Niño Southern Oscillation (ENSO), both sides bring big changes to weather patterns around the world.

Learn all about the ENSO phenomenon with our special report!

Ryan Hathaway
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