Met Office weather warning over ‘once in 250-year’ event taking place over UK

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A once-in-a-250-year weather event is about to succeed in the UK bringing bitter winter circumstances, the Met Office has warned.

A Sudden Stratospheric Warming (SSW) event normally strikes each two prolonged winters, nevertheless generally there are runs of years with out one, stated meteorologists.

But this 12 months three SSW occasions may happen in one 12 months resulting in a particularly uncommon prevalence.

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

“Our research work, using multiple computer simulations, showed that this could occur about once in every 250 winters.”

The SSW course of usually takes place “between 10km and 50km above the Earth’s surface”, that means we don’t discover the warming impact on the bottom.

When SSW arises, the traditional westerly airflow above the ambiance makes the jet stream meander extra, which may result in a big space of excessive strain over the northern Atlantic, the Met Office defined.

The formation of this high-pressure space can create an impediment to the Atlantic low-pressure methods answerable for gentle, moist and windy weather.

The block then will increase the possibility of chilly, dry weather in the UK and will increase the possibility of gentle, moist and windy circumstances in southern Europe.

Although the event doesn’t all the time lead temperatures to plummet, 70 per cent of SSW occurrences are linked to a chilly snap.

Professor Scaife added: “Although this is very rare, we also found that the chance of multiple SSW events is increased… and so the chance of multiple events this winter is raised.”

The chaos-inducing ‘Beast From the East’ snowstorm was attributable to this course of, which led to 17 deaths and nationwide havoc.

The Met Office weather forecast predicts a cold weekend with chilly winds and a few outbreaks of rain.