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Description of the main changes
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CPS3
- Real-time forecasts changes:
- The frequency changed from twice a week (every Tuesday and Wednesday at 12Z) to every day (00Z).
- The ensemble size per initial time decreases from 25 to 5.
- The output frequency for 10 metre wind and precipitation changed from 24 hour to 6 hour.
- Increased number of vertical layers for vertical velocity.
- The Surface thermal radiation downwards parameter newly provided.
- The 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:
- The number of re-forecast ensemble members decreased from 13 to 5.
- The total data size for the re-forecast: ~1TB.
- The frequency (twice a month) and period (1991-2020) don't change, but start dates for each re-forecast year are now:
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
GEPS2203
- The horizontal resolution improved to about 40km up to 18 days and about 55km after that. The physical parameterization schemes and two-tiread SST method are improved.
- operational from
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