Datasets
**Note:** In **June 2023** ECMWF implemented a **major upgrade ...**
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Interval/period: Mon, 01/01/1979 - Mon, 12/31/2018
The vertically integrated budget diagnostics include the tendencies and lateral fluxes of total energy, water vapour, and latent heat (with the latent heat of vaporization varying with temperature). In addition, the divergences of the lateral fluxes are provided.
Interval/period: Mon, 01/01/1979 - Sun, 08/09/2026
Maximum Wind gusts at 10 m above the earth's surface during the 6 hour period previous to the selected validity time are shown using colour shading. 10 m wind gusts are a post-processed product...
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The reliability diagram shows the reliability of the ECMWF seasonal forecast system (SEAS5) with ...
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This chart shows the Relative Operating Characteristics (ROC) diagram for the three-month ...
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This chart shows the spatial variation in the Relative Operating Characteristics (ROC) skill ...
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The ECMWF seasonal forecasts (SEAS5) are produced every month with a 51-member ensemble at a ...
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Single-member eddy-permitting reforecasts based on the IFS cycle 48r1 atmosphere run at Tco1279 combined with the eORCA025 NEMO4-SI3 ocean and sea ice configurations. Forecasts consists of a single unperturbed member run for 32 days starting on the first of each month between 1995 and 2016, for a total of 264 start dates. Atmospheric fields are initialised from the the GLORYS12v1 eddy-rich global ocean reanalysis.
Examples
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Single-member eddy-rich reforecasts based on the IFS cycle 48r1 atmosphere run at Tco1279 combined with the eORCA12 NEMO4-SI3 ocean and sea ice configurations. Forecasts consists of a single unperturbed member run for 32 days starting on the first of each month between 1995 and 2016, for a total of 264 start dates. Atmospheric fields are initialised from the the GLORYS12v1 eddy-rich global ocean reanalysis.
Examples
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The ECMWF seasonal forecasts (SEAS5) are produced every month with a 51-member ensemble at a ...
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This chart provides information on the verification of forecasts of the number of tropical ...
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ECV datasets provide the empirical evidence needed to understand the current climate and predict future changes.
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Interval/period: Wed, 01/01/1992 - Sun, 08/09/2026
Interval/period: Sun, 10/01/2017 - Sun, 08/09/2026
Case study with an experimental IFS EDT configuration (CY49R2). Initialized on 2024-05-27 at 00Z. Outputting votemper, vosaline, vozocrtx, vomecrty on all ocean model levels.
Examples
retrieve, class=rd, date=2024-05-27, expver=inq9, stream=oper, type=fc, levtype=sfc, param=2t, time=00:00:00, step=24, target='output.grib'2m-temperature at step 24
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nextGEMS cycle2 coupled global 1-year simulation without parameterized deep convection. Grids: tco2559 for atmosphere and NG5 for ocean. Model versions: IFS 47r3.3 + upgrades and FESOM2.1. Starting date: 20/01/2020.
Examples
retrieve, class=rd, date=20200120, stream=LWDA, expver=hqys, type=fc, levtype=sfc, param=2t, anoffset=9, time=0, step=24, target='output.grib'Retrieve 2m temperature after 24 hours
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nextGEMS cycle2 coupled global 1-year simulation without parameterized deep convection. Grids: tco1279 for atmosphere and orca025 for ocean. Model versions: IFS 47r3.3 + upgrades and NEMO3.4. Starting date: 20/01/2020.
Examples
retrieve, class=rd, date=20200120, stream=LWDA, expver=hr2n, type=fc, levtype=sfc, param=2t, anoffset=9, time=0, step=24, target='output.grib'Retrieve 2m temperature after 24 hours
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nextGEMS cycle2 coupled global 2-year simulation with parameterized deep convection. Grids: tco1279 for atmosphere and orca025 for ocean. Model versions: IFS 47r3.3 + upgrades and NEMO3.4. Starting date: 20/01/2020.
Examples
retrieve, class=rd, date=20200120, stream=LWDA, expver=hrn6, type=fc, levtype=sfc, param=2t, anoffset=9, time=0, step=24, target='output.grib'Retrieve 2m temperature after 24 hours
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IFS-COMPO CY49R1 free-running simulation of atmospheric composition (chemistry, aerosol), with meteorology re-initialized from ERA5 every day at 00UTC, with three-hourly output for the years 2003 to 2005. Spinup-time is two months (Nov-Dec 2002) and grid is reduced linear gaussian, TL255 (~80km horizontal resolution). Instantaneous aerosol MMR fields are stored on 16 pressure levels.
Examples
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IFS-COMPO CY49R1 free-running simulation of atmospheric composition (chemistry, aerosol), with meteorology re-initialized from ERA5 every day at 00UTC, with three-hourly output for the years 2006 to 2008. Spinup-time is two months (Nov-Dec 2005) and grid is reduced linear gaussian, TL255 (~80km horizontal resolution). Instantaneous aerosol MMR fields are stored on 16 pressure levels.
Examples
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IFS-COMPO CY49R1 free-running simulation of atmospheric composition (chemistry, aerosol), with meteorology re-initialized from ERA5 every day at 00UTC, with three-hourly output for the years 2009 to 2011. Spinup-time is two months (Nov-Dec 2008) and grid is reduced linear gaussian, TL255 (~80km horizontal resolution). Instantaneous aerosol MMR fields are stored on 16 pressure levels.
Examples
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IFS-COMPO CY49R1 free-running simulation of atmospheric composition (chemistry, aerosol), with meteorology re-initialized from ERA5 every day at 00UTC, with three-hourly output for the years 2012 to 2014. Spinup-time is two months (Nov-Dec 2011) and grid is reduced linear gaussian, TL255 (~80km horizontal resolution). Instantaneous aerosol MMR fields are stored on 16 pressure levels.
Examples
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IFS-COMPO CY49R1 free-running simulation of atmospheric composition (chemistry, aerosol), with meteorology re-initialized from ERA5 every day at 00UTC, with three-hourly output for the years 2015 to 2017. Spinup-time is two months (Nov-Dec 2014) and grid is reduced linear gaussian, TL255 (~80km horizontal resolution). Instantaneous aerosol MMR fields are stored on 16 pressure levels.
Examples
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IFS-COMPO CY49R1 free-running simulation of atmospheric composition (chemistry, aerosol), with meteorology re-initialized from ERA5 every day at 00UTC, with three-hourly output for the years 2018 to 2020. Spinup-time is two months (Nov-Dec 2017) and grid is reduced linear gaussian, TL255 (~80km horizontal resolution). Instantaneous aerosol MMR fields are stored on 16 pressure levels.
Examples
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