This service is based on data and products of the European Centre for Medium-range Weather Forecasts (ECMWF)
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ECMWF ERA5 Reanalysis
ERA5 provides hourly estimates of a large number of atmospheric, land and oceanic climate variables. The data cover the Earth on a 30km grid and resolve the atmosphere using 137 levels from the surface up to a height of 80km.
ERA5 includes information about uncertainties for all variables at reduced spatial and temporal resolutions. ERA5 combines vast amounts of historical observations into global estimates using advanced modelling and data assimilation
The entire ERA5 dataset from 1950 to present is expected to be available for use in 2020.