These charts of surface pressure, from analysis (T+0) to the 84-hour forecast (T+84) are produced daily around 0730 UTC.
Met Office view | Key to weather chart symbols








The British Isles lie in a col between two areas of high
pressure, to the north and south, and two areas of low
pressure, to the west and east. A slow-moving waving
front associated with the western low pressure system
lies to the west of Ireland.
Updated: 0730 UTC on Wed 23 May 2012
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