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CEMS-Floods (EFAS and GloFAS) datasets are openly available on the Copernicus Climate Change Service (C3S) Climate Data Store (CDS). The CDS provides access through web-based and API-based search and retrieve facilities. It is an easy way for users to access climate-related data, including CEMS-Flood data.  Access to the Climate Data Store is available via the web at Copernicus Climate Data Store. 

Note that the data service offered by the CDS is not maintained as a time-critical operational service and should not be used for any time-critical operations. If you would like access to real-time forecast data for time-critical operation please contact us at https://cds.climate.copernicus.eu/contact-us.

Support

Inquiries about CDS access for real-time CEMS-Flood forecasts and/or reforecasts should be made through ECMWF Support Portal - the primary entry point for all users for all types of queries on ECMWF data, products, and services.

For further information on the ECMWF Support Portal and how to submit a query related to CEMS-Flood data, visit https://www.ecmwf.int/en/newsletter/169/news/ecmwf-support-portal-all-users-and-queries

Also consider consulting the CDS User Forum for discussions related to the CDS (e.g. infrastructure, datasets, etc).

What EFAS and GloFAS datasets are available on the CDS? 

There are currently 10 EFAS and GloFAS datasets available on the CDS, ranging from historical reanalysis, real-time flood and seasonal forecasts, as well as a comprehensive set of reforests. A list of the datasets is provided below together with a link to their corresponding 'Overview' page on the CDS, where you will find further metadata and download functionalities:

How to download data

There are three ways to download and interact with EFAS and GloFAS data on the CDS:

  1. Through a simple form on the "Download data" tab within the main dataset overview page (found in the links in the above table)
    where you can select model versions, variables and times required
  2. Programmatic access through the Python CDS API
  3. CDS Toolbox

Further information and examples on how to download EFAS and GloFAS data on the CDS Python API can be found here and through the CDS Toolbox are given here.

EFAS and GloFAS data are stored in GRIB format. Further information on GRIB and reading GRIB files can be found here.

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