“A record-breaking El Niño with gigantic proportions,” said António Guterres, UN Secretary-General. Some Australian scientists have nicknamed it “Godzilla”. It has been talked about for years but only now is it so frightening: why?
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The temperature increase due to El Niño has already had severe repercussions in the summer of 2026 but its effects are not over yet. Data from the Wmo (World Meteorological Organization) and the Nooa (National Oceanic and Atmospheric Administration Home) outline a worrying scenario, far from malicious alarmism. The winter of 2027, according to forecasts, will be characterized especially in January and February by the highest temperatures ever recorded compared to the global average.
But what is it about?
Let’s start from the beginning. El Niño is a large natural climate oscillation of the ocean-atmosphere system that recurs cyclically, usually every two to seven years. At the base of this phenomenon is an abnormal and periodic warming of the surface waters of the central and eastern equatorial Pacific Ocean. During an El Niño event, the trade winds—which normally push warm waters westward—weaken or change direction. This blockage allows huge amounts of accumulated ocean heat to be released directly into the atmosphere.
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El Niño can be said to occur when ocean temperatures increase by at least 0.5 degrees Celsius above average for at least five months. Nooa has estimated a 63% probability of exceeding two degrees Celsius until January 2027.
El Niño has been nicknamed “super El Niño” for 2027 due to its intensity. The oceanic anomaly of El Niño should not be considered as an independent and isolated agent.
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