SOUTH FLORIDA, USA – The El Ni\u00f1o conditions in the Equatorial Pacific Ocean could develop rapidly with the possible quick collapse of the current La Ni\u00f1a conditions. The 2026 El Ni\u00f1o during the northern hemisphere summer season could be a strong event, according to experts.<\/p>\n
The El Ni\u00f1o phase of the El Ni\u00f1o Southern Oscillation (ENSO) phenomenon in the Equatorial Pacific Ocean brings much warmer than normal temperatures to many places around the world, increasing annual and monthly global average temperatures and causes enhancement or suppression of rainfall in different regions.<\/p>\n
\u201cNew ECMWF guidance aggressively predicts the development of a planet-warming El Ni\u00f1o this year, with changes in Pacific wind patterns signaling that a transition is underway,\u201d wrote Ben Noll, meteorologist for Washington Post<\/em> on social media platform X.<\/p>\n By most estimates the El Ni\u00f1o could develop between May and July in 2026 and it could be moderate to strong in intensity.<\/p>\n \u201cThe brand new ECMWF Seasonal calls for La Nina to quickly collapse this Spring, with a moderate to strong El Nino developing by the Summer,\u201d wrote Dylan Federico, meteorologist with WSVN 7 News in South Florida, United States, on X.<\/p>\n On the other hand, the current La Ni\u00f1a conditions which have been prevalent for the past few months could translate to neutral ENSO conditions pretty quickly.<\/p>\n \u201cI\u2019ve closely studied\/followed ENSO for the better part of the last 10-15 years. I can confidently say that this is the biggest mid-winter collapse of La Nina that I\u2019ve ever seen in real-time,\u201d wrote Eric Webb, meteorologist and an ENSO expert on X. \u201cIt\u2019s incredible to see westerly wind bursts out to the International Dateline this early in winter\u201d, he added.<\/p>\n Other experts predict that the El Ni\u00f1o in 2026, even if strong, would not have much of an effect on planetary warming. \u201cThe potentially developing El Ni\u00f1o event is evolving similarly to 1997, but many things could end or blunt that evolution before it would reach that outcome,\u201d wrote Paul Roundy, atmospheric scientist at University of Albany, on X.<\/p>\n \u201cThe event is NOT expected to produce a huge global temperature spike like 2023-2024, whether or not it becomes strong. The reason is that the high latitude SST pattern does not support a big warm signal this year,\u201d he added.<\/p>\n Even if there is no further major spike in global average temperatures, El Ni\u00f1o could also bring impacts of decreased rainfall for countries such as India, especially during the southwest monsoon season, when most of the country receives rainfall. Many of the past El Ni\u00f1o events have been associated with failed southwest monsoon rainfall and associated droughts.<\/p>\n The El Ni\u00f1o comes in the wake of unprecedented warming in the last three years. The period 2023-2025 has broken many monthly and annual global average temperature records. A part of this warming was a result of the 2023-2024 El Ni\u00f1o event apart from decreased aerosols from shipping fuel and volcanic eruptions. The three-year period could also end up as the first to cross the 1.5 C threshold above preindustrial average (1850-1900).<\/p>\n The years 2026 and 2027 could also have similar global average temperature anomalies. \u201cI’ve put together my predictions for 2026 and 2027 temperatures over at The Climate Brink. I expect 2026 will likely end up similar to 2023 and 2025 at ~1.4C above preindustrial, while 2027 will likely be considerably warmer (conditional on El Nino),\u201d wrote Zeke Hausfather, climate scientist and writer at Berkeley Earth on X. (*)<\/p>\n
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