Datasets
Coupled subsesaonal reforecasts (ENS-C) consisting of 10 perturbed members, each integrated for 46-days, starting on the first of each month between 2006 and 2023 for a total of 216 start dates. The atmospheric model is configured to use the cubic octahedral reduced Gaussian grid with 137 vertical levels and a horizontal resolution of Tco319. The atmosphere is coupled hourly to an eddy-permitting NEMO4-SI3 configuration, which uses 75 vertical levels in the ocean and the eORCA025 grid.
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Standalone ECMWF wave model CY46R1 forced by ERA5 hourly neutral 10m winds, surface air density, gustiness and sea ice fraction from 2010 to 2018. Native grid resolution is 14km, 36 directions, 36 frequencies. No wave data assimilation. Hourly output.
Examples
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Standalone ECMWF wave model CY46R1 forced by ERA5 hourly neutral 10m winds, surface air density, gustiness and sea ice fraction from 2019 to 2020. Native grid resolution is 14km, 36 directions,36 frequencies. No wave data assimilation. Hourly output.
Examples
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Standalone wave model CY47R1 forced by ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (1979-1989). Native grid is Tco639 (18km), 36 directions, 36 frequencies. No wave data assimilation. Hourly output, many parameters.
Examples
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Standalone wave model CY47R1 forced by ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (1999-1999). Native grid is Tco639 (18km), 36 directions, 36 frequencies. No wave data assimilation. Hourly output, many parameters.
Examples
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Standalone wave model CY47R1 forced by ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (2000-2009). Native grid is Tco639 (18km), 36 directions, 36 frequencies. No wave data assimilation. Hourly output, many parameters.
Examples
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Standalone wave model CY47R1 forced by ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (2010-2020). Native grid is Tco639 (18km), 36 directions, 36 frequencies. No wave data assimilation. Hourly output, many parameters.
Examples
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Standalone wave model CY47R3 forced by ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (2015-2021). Native grid is Tco639 (18km), 36 directions, 36 frequencies. No wave data assimilation. Hourly output, many parameters.
Examples
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Standalone ecWAM wave model CY50R1 forced by corrected ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (1980-1989). Native grid is Tco799 (14km), 36 directions, 36 frequencies. See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, Hourly output, many parameters.
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Standalone ecWAM wave model CY50R1 forced by corrected ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (1990-1999). Native grid is Tco799 (14km), 36 directions, 36 frequencies. Altimeter wave data assimilation,See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, Hourly output, many parameters.
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Standalone ecWAM wave model CY50R1 forced by corrected ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (2000-2018). Native grid is Tco799 (14km), 36 directions, 36 frequencies. Altimeter wave data assimilation,See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, Hourly output, many parameters.
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Standalone ecWAM wave model CY50R1 forced by corrected ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (2019-2023). Native grid is Tco799 (14km), 36 directions, 36 frequencies. Altimeter wave data assimilation,See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, Hourly output, many parameters.
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Standalone ecWAM wave model CY50R1 forced by corrected ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (2024-2025). Native grid is Tco799 (14km), 36 directions, 36 frequencies. Altimeter wave data assimilation,See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, Hourly output, many parameters.
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4-month long 101-ensemble member seasonal attribution experiment (I20_BC98) initialised on 01-November-1997 using the atmosphere-only version of SEAS5 (see Johnson et al., 2019) forced with daily ERA5 SST as in the reference experiment (R98) but with daily SST over the tropical Indian Ocean swapped with that from 2019/20.
Examples
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4-month long 101-ensemble member seasonal attribution experiment (I20_BC16) initialised on 01-November-2015 using the atmosphere-only version of SEAS5 (see Johnson et al., 2019) forced with daily ERA5 SST as in the reference experiment (R16) but with daily SST over the tropical Indian Ocean swapped with that from 2019/20.
Examples
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4-month long 101-ensemble member seasonal attribution experiment (I98_BC20) initialised on 01-November-2019 using the atmosphere-only version of SEAS5 (see Johnson et al., 2019) forced with daily ERA5 SST as in the reference experiment (R20) but with daily SST over the tropical Indian Ocean swapped with that from 2019/20.
Examples
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4-month long 101-ensemble member seasonal attribution experiment (I16_BC20) initialised on 01-November-2019 using the atmosphere-only version of SEAS5 (see Johnson et al., 2019) forced with daily ERA5 SST as in the reference experiment (R20) but with daily SST over the tropical Indian Ocean swapped with that from 2019/20.
Examples
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ECLand offline surface model (CY49R1) run forced by ERA5 reanalysis with CAMAFLOOD activated. For use in ML land emulation experiments.
Examples
retrieve, class=rd, date=2010-01-01, expver=i6aj, levtype=sfc, param=swvl1, stream=oper, time=00:00:00, type=an, target="swvl1_2010_01_01_00.grib"Extracting a single soil moisture field, type=an
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ECLand offline surface model (CY49R1) run forced by ERA5 reanalysis with CAMAFLOOD activated. For use in ML land emulation experiments.
Examples
retrieve, class=rd, date=2010-01-01, expver=i8ki, levtype=sfc, param=swvl1, stream=oper, time=00:00:00, type=an, target="swvl1_2010_01_01_00.grib"Extracting a single soil moisture field, type=an
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ecLand offline surface model (CY49R2) run forced by ERA5 reanalysis. For use in ML land emulation experiments.
Examples
retrieve, class=rd, stream=oper, expver=isc8, type=an, levtype=sfc, param=swvl1, date=2000-01-01, time=00:00:00, step=24, target='swvl1_2000_01_01_00.grib'Extracting a single soil moisture field, type=an
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ecLand offline surface model (CY49R2) run forced by ERA5 reanalysis. For use in ML land emulation experiments.
Examples
retrieve, class=rd, stream=oper, expver=iscb, type=an, levtype=sfc, param=swvl1, date=2000-01-01, time=00:00:00, step=24, target='swvl1_2000_01_01_00.grib'Extracting a single soil moisture field, type=an
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4-month long 101-ensemble member seasonal reference experiment (R98) initialised on 01-November-1997 using the atmosphere-only version of SEAS5 (see Johnson et al., 2019) forced with daily ERA5 SST.
Examples
retrieve, class=rd, date=1997-11-01, expver=hosm, fcmonth=1/2/3/4, levtype=pl, levelist=500, method=1, number=0/to/100, origin=ecmf, param=z, stream=msmm, system=5, time=00:00:00, type=fcmean, target="output_z500.grib"Monthly mean Geopotential at 500 hPa
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4-month long 101-ensemble member seasonal reference experiment (R16) initialised on 01-November-2015 using the atmosphere-only version of SEAS5 (see Johnson et al., 2019) forced with daily ERA5 SST.
Examples
retrieve, class=rd, date=2015-11-01, expver=hosn, fcmonth=1/2/3/4, levtype=pl, levelist=500, method=1, number=0/to/100, origin=ecmf, param=z, stream=msmm, system=5, time=00:00:00, type=fcmean, target="output_z500.grib"Monthly mean Geopotential at 500 hPa
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4-month long 101-ensemble member seasonal reference experiment (R20) initialised on 01-November-2019 using the atmosphere-only version of SEAS5 (see Johnson et al., 2019) forced with daily ERA5 SST.
Examples
retrieve, class=rd, date=2019-11-01, expver=hosi, fcmonth=1/2/3/4, levtype=pl, levelist=500, method=1, number=0/to/100, origin=ecmf, param=z, stream=msmm, system=5, time=00:00:00, type=fcmean, target="output_z500.grib"Monthly mean Geopotential at 500 hPa
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Standalone ecWAM wave model CY50R1 with altimeter wave height assimilation forced by corrected ERA5 hourly neutral 10m winds, air density, gustiness and sea ice fraction (2024-2025). Native grid is Tco1279 (9km), 36 directions, 36 frequencies. See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, 6-hourly output, many parameters.
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