An interesting weather pattern is shaping up for the western Europe where a very deep trough, currently sitting over N Europe, will spread south towards central Europe and another trough will be pushed across the far northern Atlantic towards the western Europe. The troughs will merge and as a result, a large and deep cyclone will form over the British Isles on Sunday and gradually move towards BeNeLux on Monday. Conditions will be favorable for good amounts of snow over parts of the UK and Ireland, as mid-levels will be significantly cooler than they have been lately and will be well below zero degrees Celsius. Meanwhile humid low-level airmass associated with the deepening cyclone will be entering from the SW. This will result in snowfall (locally heavy at times) over larger areas and locally 10-30 cm of fresh snow accumulations will be possible bThis forecast is based on various models, including GFS and high-resolution models ARPEGE and ICON-EU. It appears likely that snow will cover parts of UK, N Ireland and NW Scotland later this weekend.
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