Real-time forecasts
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Release dates: |
Nominal start dates | ECMWF | Météo-France | Met Office(a) | DWD | CMCC | NCEP | JMA | ECCC | |||||||||||||||||||
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System 4 | SEAS5 (system=5) | SEAS5 (system=51) | System 5 | System 6 |
System7 | System8 | system=12 | system=13 | system=14 | system=15 | GloSea6 (system=600) | GloSea6 (system=601) | GloSea6 (system=602) | GloSea6 (system=603 |
(C3S-0.1 netcdf
) | GCFS2.0 | GCFS2.1 | SPSv3 | SPSv3.5 | CFSv2 | CPS2 | CPS3 | GEM-NEMO | CanCM4i | GEM5-NEMO | CanESM5.1p1bc | GEM5.2-NEMO |
September 2017 - October 2017 |
November 2017 - January 2018 |
February 2018 - April 2018 | |||||||||||||||||||||||||||
May 2018 - October 2018 | |||||||||||||||||||||||||||
November 2018 - April 2019 | |||||||||||||||||||||||||||
May 2019 - September 2019 | |||||||||||||||||||||||||||
October 2019 - April 2020 | |||||||||||||||||||||||||||
May 2020 - September 2020 | |||||||||||||||||||||||||||
October 2020 | |||||||||||||||||||||||||||
November 2020 - February 2021 | |||||||||||||||||||||||||||
March 2021 - April 2021 | |||||||||||||||||||||||||||
May 2021 - June 2021 | |||||||||||||||||||||||||||
July 2021 - November 2021 | |||||||||||||||||||||||||||
December 2021 - January 2022 | |||||||||||||||||||||||||||
February 2022 | |||||||||||||||||||||||||||
March 2022 - October 2022 | |||||||||||||||||||||||||||
November 2022 - February 2023 | |||||||||||||||||||||||||||
March 2023(6) - February 2024 | |||||||||||||||||||||||||||
March 2024 - June 2024 | |||||||||||||||||||||||||||
From July 2024 |
(1) Upgrade on data provision: changes in set of parameters available, see column noted with 'C3S-0.1 netcdf' in this link. Data deficiencies fixed, see known issues D2 and D3.
(2) Upgrade to model version: GloSea5-GC2-LI. Data deficiencies fixed, see known issue D9.
(3) Hindcast period is extended to 2016.
(4) With the introduction of GloSea6, the labelling of the system keyword for systems with hindcasts produced on-the-fly was changed. More details here.
(5) 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)
(6) From March 2023 a dataset with ocean variables is available from the CDS catalogue (see details on availability here).
Hindcasts
Nominal start date | ECMWF | Météo-France | Met Office(a) | DWD | CMCC | NCEP | JMA | ECCC | Nominal start date | |||||||||||||||||||
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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) | GloSea6 (system=602) | GloSea6 (system=603 |
(C3S-0.1 netcdf
) | GCFS2.0 | GCFS2.1 | SPSv3 | SPSv3.5 | CFSv2 | CPS2 | CPS3 | GEM-NEMO | CanCM4i | GEM5-NEMO | CanESM5.1p1bc | GEM5.2-NEMO |
January |
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February |
February |
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March | March | |||||||||||||||||||||||||||
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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)
(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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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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For systems with lagged ensembles having multiple start dates, the "nominal" start date is assigned as follows: Météo-France (all systems):
GloSea5-GC2: NOTE: Even though the different members of all Météo-France forecasting system ensembles are initialized using a lagged approach, the real start dates are not revealed to the users, so all members are encoded as if they were initialized on the 1st of the month UK MetOffice (all systems):
NCEP:
JMA:
See details about available dates from JMA at section 6 (Other relevant information) of the forecasting system description. |
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This document has been produced in the context of the Copernicus Climate Change Service (C3S). The activities leading to these results have been contracted by the European Centre for Medium-Range Weather Forecasts, operator of C3S on behalf of the European Union (Delegation agreement signed on 11/11/2014). All information in this document is provided "as is" and no guarantee or warranty is given that the information is fit for any particular purpose. The users thereof use the information at their sole risk and liability. For the avoidance of all doubt, the European Commission and the European Centre for Medium-Range Weather Forecasts have no liability in respect of this document, which is merely representing the author's view. |