Snow Watch 4 - After midweek wind and rain, back to cold Arctic air

[Jo Farrow]

A look at the cold weather which is set to return after the rain and gales of midweek. Snow showers are likely for some with a brisk cold wind

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[BrickFielder]

The positioning of the potential trough out to the north west Friday evening could be interesting especially if it went down the Cheshire gap.
 Whenever I see a weather pattern setup like we see on Friday I always look for those little wind eddies developing to the south of Iceland (sometimes the southern tip of Norway as well) which can create shallow but quite potent little snow storms which can affect the UK (polar low). They don't tend to show up in the modelling until quite close to the time, and usually only occur when the arctic ice has moved further south. Worth watching the models closely even if its too far out for precise detail yet.