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| Nominal start date (operational systems) | Météo-France | Met Office(a) | DWD | BOM | Nominal start date (discontinued systems) | ECMWF | Met Office (a) | ECCC |
|---|---|---|---|---|---|---|---|---|
| System 9 (system=9) | GloSea6 (system=604) | GCFS2.2 (system=22) | ACCESS-S2 (system=2) | System 4 (system=4) | GloSea5-GC2-LI (system=15) | GEM-NEMO (system=1) | ||
| January |  | | | | January | |  (c) | |
| February | | | | | February | | | |
| March | | | | | March | | | |
| April | | | | | April | | | |
| May | | | | | May | | | |
| June | | | | * | June | | | |
| July | | | | | July | | | |
| August | | | | | August | | | |
| September | | | | | September | | | |
| October | | | | | October | | | |
| November | | | | | November | | | |
| December | | | | | December | | | |
Complete set of start dates
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Complete set of start dates
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| Origin | Forecast systems |
|---|---|
| ECMWF | SEAS5 (system=5) |
| Météo-France | System5 (system=5) System6 (system=6) System7 (system=7) System8 (system=8) |
| UK Met Office(a)(c) | GloSea5-GC2 (system=12,13) GloSea5-GC2-LI (system=14) GloSea6 (system=600,601,602,603) |
| DWD | GCFS2.0 (system=2) GCFS2.1 (system=21) |
| CMCC | SPSv3 (system=3) SPSv3.5 (system=35) |
| NCEP | CFSv2 (system=2) |
| JMA | CPS2 (system=2) |
| ECCC | CanCM4i (system=2) |
(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)
(c) Hindcast data for January 1993 is not available from MetOffice forecast systems (see "known issue" G4 on the data gaps section)
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| title | NOTE |
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Detailed information about the dates available as hindcasts or real-time forecasts for each individual forecast system can be found in Start dates available in the CDS per forecast system |
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