Could the biggest El Niño in history be on its way?

The UK is set to have more storms and rain this autumn and winter due to an "unprecedented" El Nino event, forecasters have warned.

El Nino is a natural climate pattern, declared when sea temperatures in the tropical eastern Pacific rise 0.5C above the long-term average, impacting global rainfall patterns and average temperatures.

Sea temperatures are forecast to warm to more than 3C in the coming months, making this year’s weather event "the largest since the 19th century", according to the Met Office.

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