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@NNweather

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  1. Met Office have just released this in the past few minutes https://t.co/AottfpTb2f

    'There is increasing confidence that the recent Sudden Stratospheric Warming above the North Pole could lead to prolonged cold conditions over the UK, increasing the risk of easterly wind and significant snow.

    Prof Adam Scaife, of the Met Office Hadley Centre, said: “Signs of this event appeared in forecasts from late January and in the last few days we have seen a dramatic rise in air temperature, known as a Sudden Stratospheric Warming, at around 30km above the North Pole. This warming results from a breakdown of the usual high-altitude westerly winds and it often leads to a switch in our weather: with cold easterly conditions more likely to dominate subsequent UK weather.”

    These events are well reproduced and can be predicted in our computer models and although there is still uncertainty around the outcome of this particular event, there is an increased risk of cold conditions in the latter part of February, including the possibility of heavy snowfall.'

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