The strongest El Nino 'in centuries' is set to batter Britain with storms in the months ahead, meteorologists have warned, as the nation faces high flood risks this autumn and winter

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

After a summer of heatwaves and drought across the UK Brits could be battered by storms and rain due to an 'unprecedented' El Nino event - as the notorious weather event plays a…