# \#ewds **URL:** https://forum.ecmwf.int/tag/ewds/105.md [Latest](https://forum.ecmwf.int/latest.md) · [Categories](https://forum.ecmwf.int/categories.md) · [Tags](https://forum.ecmwf.int/tags.md) --- ## [Data Stores Service protection measures affecting data downloads and account access (CDS/ADS/EWDS/ECDS)](https://forum.ecmwf.int/t/data-stores-service-protection-measures-affecting-data-downloads-and-account-access-cds-ads-ewds-ecds/15481)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [22 October 2026 15:01 UTC](https://forum.ecmwf.int/t/data-stores-service-protection-measures-affecting-data-downloads-and-account-access-cds-ads-ewds-ecds/15481 "2026-10-22T15:01:00Z")
We have detected suspicious and abusive activity originating from certain public domains and are implementing additional measures across all ECMWF Data Stores (CDS, ADS, EWDS and ECDS) to protect the integrity and sustai… --- ## [Temporary closure of Data Stores Service ahead of Emergency System Session on Monday 20th July 2026](https://forum.ecmwf.int/t/temporary-closure-of-data-stores-service-ahead-of-emergency-system-session-on-monday-20th-july-2026/15163)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [16 July 2026 13:30 UTC](https://forum.ecmwf.int/t/temporary-closure-of-data-stores-service-ahead-of-emergency-system-session-on-monday-20th-july-2026/15163 "2026-07-16T13:30:39Z")
Ahead of an emergency system session on Monday 20 July 2026 affecting the underlaying infrastructure, the Data Stores services (CDS, ADS, EWDS, ECDS) will stop accepting new requests from 7am UTC until the system session… --- ## [ARCO Data Lake coming soon for the Data Stores Services!](https://forum.ecmwf.int/t/arco-data-lake-coming-soon-for-the-data-stores-services/14174)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 2\ **Last updated:** [8 July 2026 13:38 UTC](https://forum.ecmwf.int/t/arco-data-lake-coming-soon-for-the-data-stores-services/14174 "2026-07-08T13:38:43Z")
As part of its effort to continuously improve the quality of service offered to users, the Data Stores Services (DSS) at ECMWF is setting up an “ARCO Data Lake”. ARCO (Analysis-Ready Cloud-Optimised) data structures can … --- ## [Disruption to ECMWF services due to power outage](https://forum.ecmwf.int/t/disruption-to-ecmwf-services-due-to-power-outage/15120)
**Author:** [@Kevin\_Marsh](https://forum.ecmwf.int/u/Kevin_Marsh)\ **Replies:** 0\ **Last updated:** [29 June 2026 09:57 UTC](https://forum.ecmwf.int/t/disruption-to-ecmwf-services-due-to-power-outage/15120 "2026-06-29T09:57:32Z")
Yesterday (28/06/2026) there was a power outage at our Bologna site which has affected a number of ECMWF services, including Dissemination, MARS (WebAPI) and the Data Stores. As of 29/06/2026, the majority of services h… --- ## [Upcoming essential maintenance sessions on Data Stores underlying infrastructure - Part 2](https://forum.ecmwf.int/t/upcoming-essential-maintenance-sessions-on-data-stores-underlying-infrastructure-part-2/15041)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [9 June 2026 23:00 UTC](https://forum.ecmwf.int/t/upcoming-essential-maintenance-sessions-on-data-stores-underlying-infrastructure-part-2/15041 "2026-06-09T23:00:00Z")
As a follow up event of the system upkeep on last 19th May 2026, there is another planned maintenance session on the Data Stores underlying infrastructure on Monday 15th June 2026, from 11:30 to 14:30 UTC which may poten… --- ## [Upcoming essential maintenance sessions on Data Stores underlying infrastructure](https://forum.ecmwf.int/t/upcoming-essential-maintenance-sessions-on-data-stores-underlying-infrastructure/14954)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [14 May 2026 09:00 UTC](https://forum.ecmwf.int/t/upcoming-essential-maintenance-sessions-on-data-stores-underlying-infrastructure/14954 "2026-05-14T09:00:00Z")
Please be aware that a planned maintenance session on the Data Stores underlying infrastructure on Tuesday 19th May 2026, from 11:30 to 14:30 UTC next week will affect the normal operation of the Data Stores, e.g. with p… --- ## [New features released on the Data Stores](https://forum.ecmwf.int/t/new-features-released-on-the-data-stores/14504)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [15 December 2025 00:00 UTC](https://forum.ecmwf.int/t/new-features-released-on-the-data-stores/14504 "2025-12-15T00:00:00Z")
As part of our efforts to improve user experience, some new features have recently been released across all Data Stores (ADS, CDS, and EWDS). These include the following: Option to opt-out/in for being contacted about… --- ## [New cdsapi version 0.7.7 released and new API package for advanced users ready to be used](https://forum.ecmwf.int/t/new-cdsapi-version-0-7-7-released-and-new-api-package-for-advanced-users-ready-to-be-used/12806)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 1\ **Last updated:** [1 October 2025 16:06 UTC](https://forum.ecmwf.int/t/new-cdsapi-version-0-7-7-released-and-new-api-package-for-advanced-users-ready-to-be-used/12806 "2025-10-01T16:06:19Z")
As part of improving Data Stores users experience, a new version of the default cdsapi package on Data Stores was released yesterday, 30 September 2025: version 0.7.7. All cdsapi users are strongly recommended to upgrad… --- ## [Scheduled maintenance of the Cloud infrastructure on 22 September 2025](https://forum.ecmwf.int/t/scheduled-maintenance-of-the-cloud-infrastructure-on-22-september-2025/14173)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [18 September 2025 13:46 UTC](https://forum.ecmwf.int/t/scheduled-maintenance-of-the-cloud-infrastructure-on-22-september-2025/14173 "2025-09-18T13:46:31Z")
A scheduled essential maintenance of the Cloud infrastructure is planned on Monday 22nd September 2025, from 11 UTC for a maximum time of 2 hours (time window subject to change). During this period, access to the follow… --- ## [CC-BY licence to replace Licence to use Copernicus Products on 02 July 2025](https://forum.ecmwf.int/t/cc-by-licence-to-replace-licence-to-use-copernicus-products-on-02-july-2025/13464)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 7\ **Last updated:** [17 July 2025 09:43 UTC](https://forum.ecmwf.int/t/cc-by-licence-to-replace-licence-to-use-copernicus-products-on-02-july-2025/13464 "2025-07-17T09:43:03Z")
Please be informed that on Wednesday 2nd July 2025, the License to use Copernicus Products in the Climate Data Store (CDS), Atmosphere Data Store (ADS) and the CEMS Early Warning Data Store (EWDS) will be replaced with t… --- ## [Scheduled maintenance of the Cloud infrastructure on 30 June 2025](https://forum.ecmwf.int/t/scheduled-maintenance-of-the-cloud-infrastructure-on-30-june-2025/13598)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [24 June 2025 11:00 UTC](https://forum.ecmwf.int/t/scheduled-maintenance-of-the-cloud-infrastructure-on-30-june-2025/13598 "2025-06-24T11:00:18Z")
A scheduled essential maintenance of the Cloud infrastructure is planned on Monday 30th June 2025, from 10:30 UTC for a maximum time of 2 hours (time window subject to change). During this period, access to the followin… --- ## [New Beta service: JupyterHub to access and process data within the Data Stores Common Cloud Infrastructure (CCI)](https://forum.ecmwf.int/t/new-beta-service-jupyterhub-to-access-and-process-data-within-the-data-stores-common-cloud-infrastructure-cci/13487)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [16 June 2025 14:19 UTC](https://forum.ecmwf.int/t/new-beta-service-jupyterhub-to-access-and-process-data-within-the-data-stores-common-cloud-infrastructure-cci/13487 "2025-06-16T14:19:46Z")
We are delighted to announce, today, Monday 16 June 2025, the opening of the following new Data Stores service: JupyterHub Service (Beta) within the Data Stores Common Cloud Infrastructure (CCI) The JupyterHub allows u… --- ## [Scheduled maintenance of the Data Stores Cloud Infrastructure - 19 May 2025](https://forum.ecmwf.int/t/scheduled-maintenance-of-the-data-stores-cloud-infrastructure-19-may-2025/13056)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 1\ **Last updated:** [19 May 2025 16:53 UTC](https://forum.ecmwf.int/t/scheduled-maintenance-of-the-data-stores-cloud-infrastructure-19-may-2025/13056 "2025-05-19T16:53:35Z")
A scheduled essential maintenance of the Data Stores Cloud infrastructure is planned on Monday 19th May 2025, 10:30-15:30 UTC (time window subject to change). During this period, the following services will be impacted: … --- ## [Essential maintenance sessions on Cloud infrastructure this week potentially affecting Data Stores normal operation](https://forum.ecmwf.int/t/essential-maintenance-sessions-on-cloud-infrastructure-this-week-potentially-affecting-data-stores-normal-operation/12818)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [29 April 2025 09:02 UTC](https://forum.ecmwf.int/t/essential-maintenance-sessions-on-cloud-infrastructure-this-week-potentially-affecting-data-stores-normal-operation/12818 "2025-04-29T09:02:56Z")
Please be aware that several planned maintenance sessions on our Cloud infrastructure this week (28-30 April 2025) may affect the normal operation of the Data Stores, e.g. with potential impact on request queues, running… --- ## [GloFAS Data is missing since 9th of April](https://forum.ecmwf.int/t/glofas-data-is-missing-since-9th-of-april/12606)
**Author:** [@Daniel\_Lassahn](https://forum.ecmwf.int/u/Daniel_Lassahn)\ **Replies:** 1\ **Last updated:** [11 April 2025 15:29 UTC](https://forum.ecmwf.int/t/glofas-data-is-missing-since-9th-of-april/12606 "2025-04-11T15:29:46Z")
For two days now, GloFas data can’t be downloaded from the River discharge and related forecasted data by the Global Flood Awareness System https response message from the API: Request has not produced a valid combinat… --- ## [CDS, ADS and EWDS down until further notice](https://forum.ecmwf.int/t/cds-ads-and-ewds-down-until-further-notice/8015)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 43\ **Last updated:** [21 February 2025 14:23 UTC](https://forum.ecmwf.int/t/cds-ads-and-ewds-down-until-further-notice/8015 "2025-02-21T14:23:37Z")
We are very sorry to inform our users that due to some severe technical issues at the infrastructure level, the Data Stores (CDS, ADS and EWDS) and all associated services (e.g. dataset catalogues, API) are closed to use…