Extremely rare one in 250 years weather event set to hit UK

A once-in-a-250-year weather event is about to hit the UK, bringing with it bitter winter temperatures.

A Sudden Stratospheric Warning (SSW) event usually strikes every two extended winters.

But this year the UK could see an ‘extremely rare’ trio of them.

Professor Adam Scaife, head of long-range forecasting at the Met Office, said: ‘Although we have not seen it before, we recently documented the chances of an unprecedented three SSW events happening in one winter.