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| Model version | Implement. date in S2S | Time range | Resolution | Ens. Size | Frequency | Re-forecasts | Rfc period | Rfc frequency | Rfc size | Ocean resolution | Active Sea Ice | Remarks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CPS3 | 19/02/2023 | d 0-34 | Tl319L100 | 4+1 | daily | fixed | 1991-2020 (model version date 30/09/2022) | 2/month (*3) | 4+1 | 0.25° L60 | yes | 6-hourly 10u/v added since the new reforecast set (model version date 30/09/2022) to be added soon |
GEPS2203 | 15/03/2022 | d 0-34 | Tq479/Tq319L128 | 49+1 | weekly (Wed) lagged eps created from 2 runs (*5) | fixed | 1991-2020 (model version date 31/03/2022) | 2/month (always on the 15th and the last day of month *3) | 12+1 | N/A | N/A | |
GEPS2103 | 30/03/2021 | d 0-34 | Tl479/Tl319L128 | 49+1 | weekly (Wed) lagged eps created from 2 runs (*5) | fixed | 1981-2020 (model version date 31/03/2021) | 2/month (always on the 15th and the last day of month *3) | 12+1 | N/A | N/A | |
GEPS2003 | 24/03/2020 | d 0-34 | Tl479/Tl319L100 | 49+1 | weekly (Wed) lagged eps created from 4 runs (*4) | fixed | 1981-2010 (model version date 31/03/2020) | 2/month (always on the 15th and the last day of month *3) | 12+1 | N/A | N/A | |
GEPS1701 | 22/03/2017 | d 0-34 | Tl479/Tl319L100 | 49+1 | weekly (Wed) lagged eps created from 4 runs (*4) | fixed | 1981-2012 (model version date 31/01/2017) | 3/month (always on the 10th, 20th and the last day of month *3) | 4+1 | N/A | N/A | |
GSM1403C | 06/01/2015 | d 0-34 | Tl319/L60 | 24+1 | 2/week (Tue, Wed) | fixed | 1981-2010 (model version date 04/03/2014) | 3/month (always on the 10th, 20th and the last day of month *3) | 4+1 | N/A | N/A |
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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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