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Geneva: El Nino will intensify even more before peaking in December, the United Nations said Thursday, warning it could be among the strongest witnessed since at least 1950.<\/p>\n
The naturally occurring weather phenomenon is set to bring higher temperatures to much of the planet, the UN\u2019s weather and climate agency said, with its impact compounding the effects of man-made climate change.<\/p>\n
\u201cEl Nino will continue to intensify ahead of its forecast peak in December,\u201d the World Meteorological Organization (WMO) said in its monthly Global Seasonal Climate Update.<\/p>\n
\u201cIt is likely to bring above-average temperatures to much of the globe and shift rainfall patterns, increasing the risk of drought and floods in different regions.\u201d<\/p>\n
El Nino warms surface temperatures in the central and eastern equatorial Pacific Ocean, bringing worldwide changes in winds, pressure and rainfall patterns.<\/p>\n
It typically takes place every two to seven years and lasts around nine to 12 months.<\/p>\n
Conditions oscillate between El Nino and its opposite La Nina, with neutral conditions in between.<\/p>\n
El Nino \u2018strengthening rapidly\u2019 <\/p>\n
\u201cSea-surface temperatures in the central and eastern tropical Pacific are forecast to increase to record levels during October-November-December 2026, reflecting the strengthening of the El Nino event which will drive weather patterns and impact economies, ecosystems and communities across the globe,\u201d the WMO said.<\/p>\n
The forecast is based on consensus across 13 leading national and international meteorological centers.<\/p>\n
\u201cEl Nino is firmly established and strengthening rapidly,\u201d said WMO chief Celeste Saulo.<\/p>\n
\u201cWMO forecasts indicate a near-100 percent likelihood that it will persist through February 2027, potentially being one of the strongest since at least 1950.\u201d<\/p>\n
Saulo explained that El Nino does not add new heat to the planet, but releases heat being stored in the ocean.<\/p>\n
\u201cThe ocean it\u2019s drawing from is the warmest we\u2019ve ever measured it. There is simply more heat available to release,\u201d she said.<\/p>\n
Sea temperatures record <\/p>\n
The index which measures sea surface temperature anomalies across the central-eastern equatorial Pacific \u2014 the region at the heart of El Nino \u2014 increased from 1.6C above normal in June to 2.5C above normal in August.<\/p>\n
For October-November-December, the anomaly is forecast to reach approximately 3.7C above normal.<\/p>\n
This would be the highest since observations began, eclipsing the previous record of 2.6C set in 2015-2016.<\/p>\n
The last El Nino contributed to making 2023 the second-hottest year on record and 2024 the all-time high at around 1.55C above the 1850-1900 pre-industrial average.<\/p>\n
While El Nino usually peaks between November and February, the resulting spike in temperatures typically comes later.<\/p>\n
This El Nino is already hitting some regions hard, including in Central America, where animals and crops are dying from drought.<\/p>\n<\/div>\n