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  • N80 Gaussian gridded surface operational data from 1 March 1994 to present containing the ongoing analyses and forecasts produced by the most recent ECMWF Integrated Forecasting System (IFS) model. The IFS is regularly updated as improvements are made to the model, computing facilities and observations used in data assimilation.

  • ERA-Interim is the latest European Centre for Medium-Range Weather Forecasts (ECMWF) global atmospheric reanalysis of the period 1979 to August 2019. This follows on from the ERA-15 and ERA-40 re-analysis projects. The dataset includes monthly mean of daily mean pressure level data on a reduced N256 Gaussian grid.

  • ERA-Interim is the latest European Centre for Medium-Range Weather Forecasts (ECMWF) global atmospheric reanalysis of the period 1989 to August 2019. This follows on from the ERA-15 and ERA-40 re-analysis projects. The dataset includes data on surface, PV, potential temperature and pressure surfaces. Model level data available as GRIB formatted data on spectral and reduced Gaussian grids. Monthly mean of daily mean and synoptic monthly mean data are also available as part of this collection. Additional datasets derived from these data are also available.

  • ERA-Interim is the latest European Centre for Medium-Range Weather Forecasts (ECMWF) global atmospheric reanalysis of the period 1979 to August 2019. This follows on from the ERA-15 and ERA-40 re-analysis projects. The dataset includes synoptic monthly mean analysed potential temperature level data on a reduced N256 Gaussian grid. Data are available at the 00, 06, 12 and 18 UT analysis times.

  • Surface level accumulated forecast parameters on a reduced N256 Gaussian grid from the European Centre for Medium-Range Weather Forecasts (ECWMF) ERA-Interim programme. The ERA-Interim global atmospheric reanalysis of the covers 1979 to August 2019. This follows on from the ERA-15 and ERA-40 re-analysis projects This subset of the ERA-Interim dataset contains 34 parameters covering boundary layer, precipitation, radiation, wind, evaporation, run-off, gravity wave and surface heat flux data. The 34 parameters are: Clear sky surface photosynthetically active radiation; Downward UV radiation at the surface; Photosynthetically active radiation at the surface; Evaporation; TOA incident solar radiation; Stratiform precipitation (Large-scale precipitation); Convective precipitation; Snowfall (convective + stratiform); Boundary layer dissipation; Surface sensible heat flux; Surface latent heat flux; Surface solar radiation downwards; Surface thermal radiation downwards; Surface solar radiation; Surface thermal radiation; Top solar radiation; Top thermal radiation; East-west surface stress; North-south surface stress; Sunshine duration; Latitudinal component of gravity wave stress; Meridional component of gravity wave stress; Gravity wave dissipation; Runoff; Total precipitation; Convective snowfall; Large-scale snowfall; Large-scale precipitation fraction; Top net solar radiation, clear sky; Top upward thermal radiation, clear sky; Surface net solar radiation, clear sky; Surface net thermal radiation, clear sky; Snow evaporation; and, Snowmelt.

  • ERA-Interim is the latest European Centre for Medium-Range Weather Forecasts (ECMWF) global atmospheric reanalysis of the period 1979 to August 2019. This follows on from the ERA-15 and ERA-40 re-analysis projects. The dataset includes synoptic monthly mean forecast pressure level data on a reduced N256 Gaussian grid. Forecast steps are every 3 hours from the 00 and 12 UT analysis times.

  • This dataset contains 6-hourly monthly average, N80 Gaussian gridded, pressure level, analysis timestep parameters from the European Centre for Medium-Range Weather Forecasts (ECMWF) Re-Analysis (ERA) 40 program from September 1957 to August 2002. ERA-40 followed on from the ERA-15 re-analysis project. Access limited to UK based academic researchers only. These data are GRIB formatted.

  • Potential vorticity level analysis time parameters on a reduced N256 Gaussian grid from the European Centre for Medium-Range Weather Forecasts (ECWMF) ERA-Interim programme. The ERA-Interim global atmospheric reanalysis of the covers 1979 to August 2019. This follows on from the ERA-15 and ERA-40 re-analysis projects This subset of the ERA-Interim dataset contains 7 parameters on the 2PV level.

  • ERA5 is the latest European Centre for Medium-Range Weather Forecasts (ECMWF) global atmospheric reanalysis of the period 1979 to present. This follows on from the ERA-15, ERA-40 and ERA-Interim re-analysis projects. This dataset collection includes data on surface and model levels on a regular latitude-longitude grid in netCDF from : - a high resolution 'HRES' (31 km horizontal, 137 model level, hourly output) reanalysis model - a reduced resolution ten member member ensemble runs, including data from all 10 members as well as means and spreads - produced to provide an uncertainty estimate for the 'HRES' output. - initial release 'ERA5t' data - re-run model output for 2000-2006 to address issues for this period - ERA5.1 Note, the parameter selection for the data held in the CEDA archive is not the full range of available parameters. Users requiring other parameters or data on alternative level types should seek these products via the Copernicus Data Store (CDS) - see linked data tool resource. For further details of the datasets and CEDA's holdings please see the individual datasets linked to on this dataset collection record.

  • This dataset contains daily monthly average, N80 Gaussian gridded, model level, forecast timestep parameters from the European Centre for Medium-Range Weather Forecasts (ECMWF) Re-Analysis (ERA) 40 program from January 1958 to December 2001. ERA-40 followed on from the ERA-15 re-analysis project. Access limited to UK based academic researchers only. These data are GRIB formatted.