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ERA5 is the fifth generation ECMWF atmospheric reanalysis of the global climate covering the period from January 1940 to present. ERA5 is produced by the Copernicus Climate Change Service (C3S) at ECMWF. ERA5 provides hourly estimates of a large number of …
SEAS comprises ensembles of individual forecasts coupled to an ocean model and post-processed products of average conditions (e.g. monthly averages) with the associated uncertainty. Products are available up to 7 months ahead. The following sub-sets are …
Products based on an ensemble of forecasts providing an estimate of the reliability of a single forecast. The purchase of the "Basic Set" +72, +96, +120, +144, +168 hrs is a mandatory prerequisite for the purchase of time steps in the range 12 to 66 hours. …
The objective of UERRA is to produce ensembles of European regional meteorological reanalyses of Essential Climate Variables (ECVs) for several decades and to estimate the associated uncertainties in the data sets. It also includes recovery of historical …
Ensemble (ENS) of forecasts providing an estimate of the reliability of a single forecast. ENS offers  "High Frequency products"  until step 144: 4 daily runs: 00, 06, 12 and 18 UTC hourly until step 90 3-hourly from 93 to 144 Most Post-processed Products are …
ecCharts This licence provides access to ECMWF interactive ecCharts tool to visualise analysis and forecast products  Please note that access to the ecCharts is for End User use only  (internal) .   ECMWF ecCharts web service is available and we are pleased …
The European cut-out package is a pre-defined package of real-time products with fixed annual information cost. The package includes up to 15 parameters from the real-time catalogue for the area 25°N-84°N, 74°W-45°E. You will receive these parameters with the …
The ECMWF OCEAN5 system is a new global eddy-permitting ocean-sea ice ensemble reanalysis analysis system. This Technical Memorandum gives a full description of the OCEAN5 system, with the focus on its Behind-Real-Time (BRT) component, the reanalysis product …
ECMWF is now running its own Artificial Intelligence Forecasting System (AIFS). The AIFS consists of a deterministic model and an ensemble model. The deterministic model has been running operationally since 25 February 2025; further details can be found on …
ERA5-Land is a reanalysis dataset providing a hourly high resolution information of surface variables over several decades at ~9km grid spacing and covering the period from 1950 to 5 days before the present. ERA5-Land, developed by C3S at ECMWF, has been …