Please note the CDS will deliver all available ensemble members, the number of which in most cases differs between hindcast and forecast start dates for a given forecast system. 

Current operational systems

Forecast systemHindcast periodReal-time forecasts
AdditionalOperational
ECMWFSEAS5 (C3Sv5.1)1981-20162017-2022Nov. 2022 - present
Météo-FranceSystem81993-2018
Jul. 2021 - present
UK MetOfficeGloSea6
(system=603)
1993-2016(1)(2)
Mar. 2024 - present
CMCCSPS3.51993-2016
Oct. 2020 - present
DWDGCFS2.11993-2019
Nov. 2020 - present
NCEPCFSv21993-2016(3)(4)
Oct. 2019 - present
JMACPS31993-2020(5)
Feb. 2022 - present
ECCC

CanESM5.1p1bc

1993-2023
Jul. 2024 - present
GEM5.2-NEMO1993-2023(6)
Jul. 2024 - present


(1) UK MetOffice hindcast run on-the-fly so they are only produced a few weeks ahead of the time they are needed.
(2) January 1993 is not available
(3) 1981-1992 not available in the CDS
(4) 2011-2016 hindcast data comes from real-time forecast start dates
(5) 1991-1992 not available in the CDS
(6) 2021-2023 temporarily not available in the CDS


Previous systems

For some of the forecast systems shown in this table, which were part of the service for less than 1 year, only a subset of all possible months is to be found in the CDS.

Forecast systemHindcast periodReal-time forecasts
AdditionalOperational
ECMWFSystem41993-2015(1)(2)
Sep. 2017 - Oct. 2017
SEAS51981-2016Jan. 2017 - Oct. 2017Nov. 2017 - Oct. 2022
Météo-France

System5

1993-2014 (3)
Sep. 2017 - Oct. 2018
System61993-2016Jan. 2017 - Oct. 2018Nov. 2018 - Sep. 2019
System71993-2016
Oct. 2019 - Jun. 2021
UK MetOfficeGloSea5-GC2
(system=12)
1993-2015(4)
Sep. 2017 - Apr. 2018
GloSea5-GC2
(system=13)
1993-2016(4)
May 2018 - Apr. 2019
GloSea5-GC2-LI
(system=14)
1993-2016(4)
May 2019 - Apr. 2020
GloSea5-GC2-LI
(system=15)
1993-2016(4)
May 2020 - Feb. 2021

GloSea6
(system=600)

1993-2016(4)
Mar. 2021 - Feb. 2022
GloSea6
(system=601)
1993-2016(4)
Mar. 2022 - Feb. 2023
GloSea6
(system=602)
1993-2016(4)
Mar. 2023 - Feb. 2024
CMCCSPS31993-2016
Nov. 2018 - Sep. 2020
DWDGCFS2.01993-2017Jan. 2018 - Oct. 2018Nov. 2018 - Oct. 2020
JMACPS21981-2016
Oct. 2020- Jan. 2022
ECCCGEM-NEMO1993-2020 (5)(6)
May 2021 - Nov. 2021
CanCM4i1993-2020 (5)(6)
May 2021 - Jun. 2024
GEM5-NEMO1993-2020(7)
Dec. 2021 - Jun. 2024

(1) 1981-1992 not available in the CDS
(2) 2011-2015 hindcast data comes from real-time forecast start dates
(3) 1991-1992 not available in the CDS
(4) January 1993 is not available
(5) 1980-1992 not available in the CDS
(6) 2011-2020 hindcast data comes from real-time forecast start dates
(7) 1990-1992 not available in the CDS