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Strike plots of cyclonic features where the maximum wind speed at 850 hPa exceeds 60 kt. The first forecast is from 5 December 00UTC and the following are with one day apart.
3.4 Monthly forecasts
The figure above shows the MSLP anomaly for 2 to 8 December. The top panel shows the anomaly from the analysis and the other panels from the monthly forecasts. In the analysis we see a strong pressure gradient in north-western Europe, in the region where the storm was more intense (although the British Isles are in the high-pressure region in the weekly anomaly). This pattern was captured two weeks in advance.
3.5 Comparison with other centres
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