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Message Box
iconnone
titleShut down of legacy CDS - Please migrate to EWDS!
typeerror

The legacy CDS and legacy ADS will be decommissioned on 26 September 2024 and will no longer be accessible from this date. 

On 26 September 2024, CDS-Beta and ADS-Beta will officially become the new CDS and ADS, and EWDS-Beta will become operational for accessing CEMS data.

The URLs to CDS-Beta, ADS-Beta and EWDS-Beta will shift tocds.climate.copernicus.eu, ads.atmosphere.copernicus.eu and ewds.climate.copernicus.eu respectively. 

If you are a legacy CDS or legacy ADS user and wish to continue downloading data from our Data Stores, you are urged to migrate to the CDS-Beta, ADS-Beta, or EWDS-Beta now (see quick guides below). From September 26, 2024, CDS, ADS, and EWDS API users attempting to access data using their legacy credentials will see their requests systematically fail, for which no support will be provided.

If you are a CDS-beta, ADS-beta, or EWDS-beta user, from September 26, 2024, there is no urgency at this time to update the URL in your .cdsapirc. Requests will be automatically redirected from the beta URLs to the proper ones for some time. You will be advised to update the URL in your .cdsapirc file at your earliest convenience (but within a timeframe to be announced). We will update this page and post an announcement on our Forum to to remind and guide users on what to do. 

The decommissioning date of 26 September 2024 is final and will not be extended. On 26/09/24, legacy systems will no longer be available to users. Queues on legacy systems will be closed on 25/09/24. API users on legacy systems who will not have migrated to beta systems will see their API requests fail. API users on Beta systems will have until 29/10/24 to update the URL in their cdsapirc file

Note
titleQuick Guide
  • Create a new EWDS-Beta account and accept EWDS-Beta Terms & Conditions at https://ewds-beta.climate.copernicus.eu/
  • Accept the licences of the product you are interested in (go to the Download form of the product of interest).
  • For API access:
    • Update API credentials and end point (eg. in your .cdsapirc file) as shown, after logging on here (Note that new .cdsapirc file should only contain a URL and a key field - there is NO UID field anymore).
    • Upgrade your CDS API (i.e pip install --upgrade cdsapi). Please make sure you are using a supported version of Python i.e. 3.8 and above. 
    • New API is designed to be backward compatible which means that once your .cdsapirc is updated and your CDS API package upgraded, your API script may run successfully immediately, downloading data from CDS-Beta. There are a few datasets however for which API syntax may have changed - please check the warning on the catalogue page of the affected datasets (e.g. E-OBS). 
    • Run a small API test request. 

More details available (e.g. CDS Toolbox and Good-to-know sections below)

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The CDS Toolbox will be discontinued from 26 September 2024 and will not migrate to the new CDS/EWDS infrastructure. Support will continue to be provided to CDS Toolbox users until the CDS Toolbox is shut down on 26 September 2024. ECMWF Support will however not be able to help with supporting users migrating their CDS Toolbox workflows onto another programming language/software.   On 26/09/24, legacy systems will no longer be available to users. Queues on legacy systems will be closed on 25/09/24. API users on legacy systems who will not have migrated to beta systems will see their API requests fail. API users on Beta systems will have until 29/10/24 to update the URL in their cdsapirc file

As a consequence of the CDS Toolbox being discontinued, the Viewer tool for the following datasets in the CDS will also be discontinued. 

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  • The current CDS and ADS will be completely shut down on 26 September 2024. Please migrate to using the new CDS/ADS/EWDS by 26 September 2024. Should users still have API scripts pointing to the retired CDS and ADS systems, these will systematically break and no support will be provided. On 26/09/24, legacy systems will no longer be available to users. Queues on legacy systems will be closed on 25/09/24. API users on legacy systems who will not have migrated to beta systems will see their API requests fail. API users on Beta systems will have until 29/10/24 to update the URL in their cdsapirc file
  • For more information on specific changes to the CDS and ADS systems, visit: Informative page in readiness for CDS-Beta

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