The Beast From The East

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  • The Beast From The East
    • What it was caused by?
      • Met Office Forecaster Craig Snell said the Beast from the East has been caused by an event two weeks ago called sudden stratospheric warming.
      • This involved a huge rise in air temperature of around 50C in an area around 18 miles above the Earth in the North Pole.
    • Effects of the storm
      • Sudden stratospheric warming causes a weakening of the jet stream and allows cold air from western Russia to "flood" over Europe, which is going to remain over us for at least the rest of this week.
      • As a result of the warming event, parts of the Arctic have also been up to 20C above normal temperatures.
      • With snow set to cause disruption, the mercury expected to plummet, and a storm poised to roll across the UK,
    • How low will temperatures drop?
      • There could be overnight lows of -15C recorded in the region on Wednesday and Thursday where there is lying snow.
      • Daytime midweek temperatures will hover around freezing in most places across the UK.
      • The Met Office has said parts of the country "could see their coldest spell of weather since at least 2013, and possibly since 1991".
      • Highs and lows meet all the time and it is not too uncommon to see low pressures bumping into this air. However there is a quite noteworthy cold spell across the UK which is making things ore unusual.
    • What is storm Emma?
      • Storm Emma is a weather system which has impacted the Portuguese Islands called the Azores - and as a result has been named by their Met Service.
      • The weather front is expected to be disruptive when it arrives in the UK on Thursday - bringing blizzards, gales and sleet as it hits the cold air brought down by the Beast from the East.
      • Without the cold air, and if there were normal or average UK temperatures, Storm Emma would instead have caused wet and windy conditions.

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