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The plot below shows the 2-metre temperature anomaly for the week 5-11 January.

(Add The plot below shows the time-series of daily mean 2-metre temperature inside the box over northern Finland for daily values (thin), 7-day running mean (thick) and climatology (dashed)).

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3. Forecasts

3.1 Data assimilation and observation usage

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The plot below shows the statistics for analysis and background departures for 2-metre temperature observations inside the box.

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3.2 Single Forecasts for the event based on 00UTC forecasts (defined in Section 2.1)

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3.4 Sub-seasonal forecasts

 Add sub-seasonal plots

 The plots below show forecasts of weekly temperature anomalies for 5-11 January.

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The plots below show the same as above but for z500.

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3.5 Comparison with other centres

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6.1 Good and bad aspects of the forecasts for the event

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the event

  • Well predicted magnitude of the cold in the short-range forecasts
  • Signal for cold started to appear from 27 December.

6.2 Experience from general performance/other cases

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