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These charts of surface pressure, from analysis (T+0) to the 84-hour forecast (T+84) are produced daily around 0730 UTC.
High pressure over much of Europe is feeding very cold
air in from the east. An occluded front and warm front
associated with the area of low pressure southwest of
Iceland will move across the British Isles today. Rain on
these fronts will turn increasingly to snow as the fronts
push east into the cold air in-situ across the UK.
Updated: 0730 UTC on Sat 4 Feb 2012