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| Nominal start date | ECMWF | Météo-France | Met Office(a) | DWD | CMCC | NCEP | JMA | ECCC | Nominal start date | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| System 4 | SEAS5 (system=5) | SEAS5 (system=51)(b) | System 5 | System 6 | System 7 | System 8 | system=12 | system=13 | system=14 | system=15 | GloSea6 (system=600) | GloSea6 (system=601) | GCFS2.0 | GCFS2.1 | SPSv3 | SPSv3.5 | CFSv2 | CPS2 | CPS3 | GEM-NEMO | CanCM4i | GEM5-NEMO | ||
| January |  |  | | | | | | | | | | | | | | | | | | | | | | January |
| February | | | | | | | | | | | | | | | | | | | | | | | | February |
| March | | | | | | | | | | | | | | | | | | | | | | | | March |
| April | | | | | | | | | | | | | | | | | | | | | | | | April |
| May | | | | | | | | | | | | | | | | | | | | | | | | May |
| June | | | | | | | | | | | | | | | | | | | | | | | | June |
| July | | | | | | | | | | | | | | | | | | | | | | | | July |
| August | | | | | | | | | | | | | | | | | | | | | | | | August |
| September | | | | | | | | | | | | | | | | | | | | | | | | September |
| October | | | * | | | | | | | | | | | | | | | | | | | | | October |
| November | | | | | | | | | | | | | | | | | | | | | | | | November |
| December | | | * | | | | | | | | | | | | | | | | | | | | | December |
(a)For the Met Office contribution, due to the production of hindcasts "on-the-fly", the CDS keyword 'system' does not have the same meaning as for the other contributors. More details here.
(b) Due to technical reasons, a new version of ECMWF SEAS5 data has been created using the keyword system=51. See details on Announcements (date 12/October/2022)
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