WMO warns of potentially powerful El Niño this year

The World Meteorological Organization (WMO) has issued a stark warning regarding the impending El Niño phenomenon, predicting that its effects this year could be exceptionally potent. El Niño, an annual occurrence, is defined by extensive positive sea surface temperature deviations in the eastern Pacific Ocean, which in turn influence weather patterns worldwide.

This climate pattern typically leads to increased temperatures and altered precipitation levels in various regions. The WMO notes that the current warming of ocean waters is accelerating the development of El Niño. Forecasts suggest that temperatures will remain above average in most parts of the world from June to August, with the phenomenon likely persisting until November.

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We need to prepare for a potentially powerful El Niño that will cause prolonged heavy rainfall and increase the likelihood of heatwaves on land and at sea.

WMO Director-General Celeste Saulo cautioned that the world must prepare for a potentially powerful El Niño, which could result in prolonged periods of heavy rainfall and a higher likelihood of both terrestrial and marine heatwaves. She highlighted that the previous El Niño event, from 2023 into the following year, contributed to 2024 becoming the warmest year on record.

Saulo expressed concern that strong heatwaves can facilitate the spread of insect-borne diseases and exacerbate food and water scarcity. "Communities already struggling will face even more difficult times," she stated, implying potential impacts on global food prices due to climate effects on harvests. The WMO acknowledges that different weather models predict varying intensities of El Niño, but emphasizes the universal need for global preparedness.

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Communities already struggling will face even more difficult times.