This chart shows the relationship between the wind speed and barometric pressure as the year's deepest area of low pressure traversed the region overnight - just as in the centre of a hurricane, the 'eye' of the storm, the wind decreases to almost nothing as it passes through.......
962 millibars is very low, the chart shows how the wind will have swept in from the south west and now, as the centre passes, the wind veers (counter-clockwise in the Southern hemisphere) north easterly........
the maximum wave height tends to build as the front hits the area - in this case the readings were taken from the Sevenstones Lightship anchored between Land's End and the Scillies.
the first wind bound Breton boat for the winter, the Eridan, is in Newlyn at the moment - she's looking to chase John Dory's off the Scillies once the wind abates.
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