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  • General changes:
    • model changed from GEPS to  CPS coupled to an ocean model
    • ensemble size per initial time decreases from 25 to 5
    • output frequency for 10 metre wind and precipitation changed from 24 hour to 6 hour
    • increased number of vertical layers for  vertical velocity
    • Surface thermal radiation downwards parameter newly provided
  • Real-time forecasts changes:
    • ensemble size decreased from 25 to 5
    • frequency changed from twice a week (every Tuesday and Wednesday at 12Z) to every day (00Z)
    • total data size increased from 6.6 GB to 8.4 GB per week, but decreased from 3.3 GB to 1.2 GB per day due to change the ensemble size and a forecast frequency
  • Re-forecasts changes:
    • number of re-forecast ensemble members size decreased from 13 to 5
    • total data size for the re-forecast:  ~1TB
    • frequency (twice a month) and period (1991-2020) don't change, but start dates for each re-forecast year changed to:

      Jan: 16 and 31
      Feb: 10 and 25
      Mar: 12 and 27
      Apr: 11 and 26
      May: 16 and 31
      Jun: 15 and 30
      Jul: 15 and 30
      Aug: 14 and 29
      Sep: 13 and 28
      Oct: 13 and 28
      Nov: 12 and 27
      Dec: 12 and 27

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