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Introduction

In the ECMWF data store (ECDS) established in 2025, users can find selection of WMO public datasets managed by ECMWF. 

The ECDS is powered by CDS technology (access via CDS-API, discovery forms etc). It shares the same authentication system, so that users can access any dataset across all data stores (CDS, ADS, EWDS, ECDS).

Find all information how to access a dataset in ECDS and the avaiable tools and tutorials in the ECDS home page

ECDS datasets

The list of the currently available datasets can be found in https://ecds.ecmwf.int/datasets 

TIGGE and S2S

The data access to TIGGE and S2S is now being migrated from WEB-API to CDS-API (in ECDS). For more information about the timelines, please consult the dedicated page Decommissioning of ECMWF Public Datasets service. 

TIGGE and S2S have been the first datasets moved to ECDS. Follow the links below to the dedicated main web spaces for given dataset:

To get data in ECDS via CDS-API, multiple options exist.

The comprehensive overview of the older and new ways how to access TIGGE or S2S data and the related tools is avaiable in User guide for migration of S2S and TIGGE to ECDS.

Users with experience getting the data via older WEB-API can found there information how to update their workflows.



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