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Discussed in the following Daily reports: Too many to mention... |
1. Impact
During the last week of February large parts of Europe was were hit but a strong cold spell. The temperatures reached -40C in Scandinavia and below -10C in southern England, and Rome was hit by unusual snowfall. At the same time northern Greenland experienced extremely warm temperatures. The cold spell was due a very strong negative NAO period that might be linked to a sudden stratospheric warming and/or MJO in phase 6/7.
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2. Description of the event
The plots below show the anomaly anomalies (shade) and full field fields (contours) on 27 February for z500 and t850. One can note that eastern Greenland and central Italy had the same temperature at 850 hPa.
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The plot below show MJO forecasts from 29 January to 15 February.
3.5 Comparison with other centres
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