In the waters of the far-eastern equatorial Pacific – close to the South American coast – sea-surface temperatures are beginning to rise, prompting some climate scientists to believe the world could be heading for another El Niño in close succession to the previous event which ended last year.
The last El Niño, which peaked in the winter of 2015-2016, was the joint strongest event on record. It had impacts around the world and the heat released from it added to existing climate change to break global surface temperature records in 2015 and 2016.
Prof Adam Scaife, head of long-range prediction at the Met Office Hadley Centre said: “The El Niño–La Niña cycle hasn’t been very active this winter, but Met Office predictions and those from some other centres are suggesting an increased risk of an El Niño developing by the summer.”
It isn’t unknown for El Niños…
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