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Overview of the model changes
| Model version | Implementation date in S2S | Time range | Resolution | Ens. Size | Frequency | Re-forecasts | Rfc period | Rfc frequency | Rfc size | Ocean resolution | Active Sea Ice | Remarks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLOBO |
| 05/ |
| 09/2024 | d 0-32 (d 0-35) | 0.75x0.56 L54 | 40+1 | weekly (Thu) | fixed | 2001-2020 (model version date 16/10/2023) | every 5 days (the same days each Rfc year *1) | 7+1 | N/A | N/A |
| GLOBO | 08/06/2017 | d 0-32 | 0.75x0.56 L54 | 40+1 | weekly (Thu) | fixed | 1981-2010 (model version date 08/06/2017) | every 5 days (the same days each Rfc year *1) | 4+1 | N/A | N/A | |
| GLOBO | 19/01/2017 | d 0-31 | 0.75x0.56 L54 | 40+1 | weekly (Thu) | fixed | 1981-2010 (model version date 03/26/2015) | every 5 days (the same days each Rfc year *1) | 1 (type=cf only) | N/A | N/A | |
| GLOBO | 09/11/2015 | d 0-31 | 0.75x0.56 L54 | 40+1 | weekly (Mon) | fixed | 1981-2010 (model version date 03/26/2015) | every 5 days (the same days each Rfc year *1) | 1 (type=cf only) | N/A | N/A |
Description of the main changes
GLOBO
(operational from )
- The lagged ensemble configuration slightly changed:
- instead of 10 perturbed initial conditions every 6 hours,taken on Wednesday at 00, 06, 12, 18Z respectively (with control run on Thrusday at 00Z), it now use
- 10 perturbed initial conditions every 6 hours,taken on Wednesday at 06, 12, 18Z respectively and on Thursday at 00Z, with control run on Thursday at 00Z.
- The time range was increased from 32 to 35 days