Scientists are warning that a powerful El Ni\u00f1o event is developing in the Pacific Ocean and could push global temperatures to new highs, with 2027 emerging as a leading candidate to become the warmest year ever recorded.<\/p>\n
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Long-range climate forecasts indicate that warming waters across the central and eastern tropical Pacific are on track to develop into a strong El Ni\u00f1o during the second half of 2026. Several forecasting models suggest the event could reach the level known as a super El Ni\u00f1o, a phenomenon seen only a handful of times in recent decades.<\/p>\n
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Researchers at the Finnish Meteorological Institute said ocean temperatures in key parts of the Pacific have risen rapidly in recent months and are already about one degree Celsius above normal.<\/p>\n
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El Ni\u00f1o is a recurring climate pattern that develops every few years when sea surface temperatures across large areas of the tropical Pacific rise above average. The phenomenon alters weather patterns around the world and tends to increase global temperatures as heat stored in the ocean is released into the atmosphere.<\/p>\n
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Its counterpart, La Ni\u00f1a, has the opposite effect and is associated with cooler ocean temperatures in the same region.<\/p>\n
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The previous El Ni\u00f1o occurred during 2023 and 2024. Conditions then shifted towards neutral and weak La Ni\u00f1a patterns during 2025 and early 2026.<\/p>\n
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According to projections compiled by the World Meteorological Organization, sea surface temperatures in the Ni\u00f1o 3.4 region<\/a> of the Pacific are expected to exceed two degrees Celsius above average later this year. Events reaching that level are often classified as super El Ni\u00f1os.<\/p>\n
<\/p>\n Such episodes have historically been rare. Comparable events occurred in 1982\u201383, 1997\u201398 and 2015\u201316.<\/p>\n
<\/p>\n Current model averages indicate warming could reach around 2.7 degrees Celsius by October 2026, placing the event on a similar scale to the super El Ni\u00f1o recorded a decade ago.<\/p>\n
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