# C3S - Announcements **URL:** https://forum.ecmwf.int/c/announcements/c3s-announcements/7.md [Latest](https://forum.ecmwf.int/latest.md) · [Categories](https://forum.ecmwf.int/categories.md) · [Tags](https://forum.ecmwf.int/tags.md) --- ## [About the C3S - Announcements category](https://forum.ecmwf.int/t/about-the-c3s-announcements-category/13)
**Author:** [@Frank\_Lieber](https://forum.ecmwf.int/u/Frank_Lieber)\ **Replies:** 0
For the latest news and updates about Copernicus Climate Change Service (C3S) products and services --- ## [New dataset published in CDS: ERA5 hourly time-series data on single levels from 1940 to present](https://forum.ecmwf.int/t/new-dataset-published-in-cds-era5-hourly-time-series-data-on-single-levels-from-1940-to-present/11919)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 22\ **Last updated:** [16 October 2026 17:55 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-cds-era5-hourly-time-series-data-on-single-levels-from-1940-to-present/11919 "2026-10-16T17:55:11Z")
We are pleased to announce that a new dataset has been published today, 18 March 2025, in the Climate Data Store (CDS): ERA5 hourly time-series data on single levels from 1940 to present This dataset is a subset of som… --- ## [Issue affecting ERA5-Land monthly averaged reanalysis for the period September 2022 to February 2024](https://forum.ecmwf.int/t/issue-affecting-era5-land-monthly-averaged-reanalysis-for-the-period-september-2022-to-february-2024/2370)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 6\ **Last updated:** [16 October 2026 13:07 UTC](https://forum.ecmwf.int/t/issue-affecting-era5-land-monthly-averaged-reanalysis-for-the-period-september-2022-to-february-2024/2370 "2026-10-16T13:07:07Z")
An issue with the ERA5-Land monthly averaged data from 1950 to present dataset was identified in January 2024 on both CDS discs and MARS tapes. It affects the following part of the dataset: Product: Monthly averaged re… --- ## [New GPCP v3.3 dataset now available on CDS](https://forum.ecmwf.int/t/new-gpcp-v3-3-dataset-now-available-on-cds/14469)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [14 October 2026 08:53 UTC](https://forum.ecmwf.int/t/new-gpcp-v3-3-dataset-now-available-on-cds/14469 "2026-10-14T08:53:13Z")
We are pleased to announce that the new dataset v3.3 of the Precipitation monthly and daily gridded data from 1979 to present derived from satellite measurements (GPCP) is now available on the Climate Data Store (CDS). M… --- ## [Survey: Your feedback is needed to develop the next version of PECD](https://forum.ecmwf.int/t/survey-your-feedback-is-needed-to-develop-the-next-version-of-pecd/15362)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 2\ **Last updated:** [9 October 2026 09:23 UTC](https://forum.ecmwf.int/t/survey-your-feedback-is-needed-to-develop-the-next-version-of-pecd/15362 "2026-10-09T09:23:14Z")
Users of the Climate and energy related variables from the Pan-European Climate Database (PECD) derived from reanalysis and climate projections data are invited to take part in a survey designed to collect their needs… --- ## [Upcoming CDS Terms of use change](https://forum.ecmwf.int/t/upcoming-cds-terms-of-use-change/15374)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [5 October 2026 23:00 UTC](https://forum.ecmwf.int/t/upcoming-cds-terms-of-use-change/15374 "2026-10-05T23:00:00Z")
Please be informed that on Wednesday 28th October 2026, the Terms of use of the Copernicus Climate Data Store will be modified with an update to Art(1) as follows: Article (1) - Description of Products and Services The… --- ## [Short video guide on How to use CDS API released!](https://forum.ecmwf.int/t/short-video-guide-on-how-to-use-cds-api-released/15353)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [23 September 2026 16:31 UTC](https://forum.ecmwf.int/t/short-video-guide-on-how-to-use-cds-api-released/15353 "2026-09-23T16:31:31Z")
As part of our ongoing efforts to continuously improve support to our users, we are pleased to announce the release today, 24 September 2026, of a new short video guide on using the Climate Data Store (CDS) API. The vide… --- ## [New dataset published in CDS: CERRA-Land time-series sub-daily regional reanalysis data for Europe from 1984 to present](https://forum.ecmwf.int/t/new-dataset-published-in-cds-cerra-land-time-series-sub-daily-regional-reanalysis-data-for-europe-from-1984-to-present/15321)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [22 September 2026 11:15 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-cds-cerra-land-time-series-sub-daily-regional-reanalysis-data-for-europe-from-1984-to-present/15321 "2026-09-22T11:15:21Z")
We are pleased to announce that a new dataset has been published today, September 2026, in the Climate Data Store (CDS): This dataset is a post-processed version of the original CDS CERRA-Land sub-daily regional rean… --- ## [New dataset published in CDS: Aggregated climate indicators for Europe from 1940 to 2100 derived from reanalysis and multi-model climate projections](https://forum.ecmwf.int/t/new-dataset-published-in-cds-aggregated-climate-indicators-for-europe-from-1940-to-2100-derived-from-reanalysis-and-multi-model-climate-projections/15317)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [8 September 2026 11:42 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-cds-aggregated-climate-indicators-for-europe-from-1940-to-2100-derived-from-reanalysis-and-multi-model-climate-projections/15317 "2026-09-08T11:42:45Z")
We are pleased to announce that a new dataset has been published today, 10th September 2026, in the Climate Data Store (CDS): This dataset provides a series of climate indicators derived products (anomalies, climatolo… --- ## [CDS climate projection datasets temporarily disruptions](https://forum.ecmwf.int/t/cds-climate-projection-datasets-temporarily-disruptions/15293)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [1 September 2026 13:38 UTC](https://forum.ecmwf.int/t/cds-climate-projection-datasets-temporarily-disruptions/15293 "2026-09-01T13:38:01Z")
We would like to inform you that due to some technical problems the access to the following CDS climate projection datasets is disrupted: CORDEX regional climate model data on single levels CMIP5 datasets CMIP6 climate… --- ## [Correction to Rotor Diameter values in the PECDv4.2 Product User Guide](https://forum.ecmwf.int/t/correction-to-rotor-diameter-values-in-the-pecdv4-2-product-user-guide/15256)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [17 August 2026 16:00 UTC](https://forum.ecmwf.int/t/correction-to-rotor-diameter-values-in-the-pecdv4-2-product-user-guide/15256 "2026-08-17T16:00:00Z")
A number of typographical errors have been corrected in the Wind Power Conversion Model section of the Pan-European Climate Database (PECD) v4.2 Product User Guide (PUG), specifically in the Rotor Diameter column of Tabl… --- ## [New Jupyter notebooks available in the Copernicus Interactive Climate Atlas (C3S Atlas) User Tools of the :](https://forum.ecmwf.int/t/new-jupyter-notebooks-available-in-the-copernicus-interactive-climate-atlas-c3s-atlas-user-tools-of-the/15238)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [10 August 2026 09:30 UTC](https://forum.ecmwf.int/t/new-jupyter-notebooks-available-in-the-copernicus-interactive-climate-atlas-c3s-atlas-user-tools-of-the/15238 "2026-08-10T09:30:23Z")
We are pleased to announce that 5 new Jupyter notebooks are available for the C3S Atlas User Tools. The User Tools have been developed to enhance transparency and facilitate the reusability of the software developed to … --- ## [New dataset published in CDS: ERA5 time-series data on pressure levels from 1940 to present](https://forum.ecmwf.int/t/new-dataset-published-in-cds-era5-time-series-data-on-pressure-levels-from-1940-to-present/15220)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [7 August 2026 12:00 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-cds-era5-time-series-data-on-pressure-levels-from-1940-to-present/15220 "2026-08-07T12:00:00Z")
We are pleased to announce that a new dataset has been published today, 7th August 2026, in the Climate Data Store (CDS): This dataset is a post-processed version of the original CDS ERA5 hourly data on pressure level… --- ## [Issue affecting some parameters from the ERA5 post-processed daily statistics on single levels](https://forum.ecmwf.int/t/issue-affecting-some-parameters-from-the-era5-post-processed-daily-statistics-on-single-levels/15057)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 12\ **Last updated:** [30 July 2026 10:36 UTC](https://forum.ecmwf.int/t/issue-affecting-some-parameters-from-the-era5-post-processed-daily-statistics-on-single-levels/15057 "2026-07-30T10:36:44Z")
An issue with the computation of some parameters from the ERA5 post-processed daily statistics on single levels from 1940 to present dataset was identified in June 2026. The affected parameters of the ERA5 post-processe… --- ## [New datasets published in the CDS: Multi-model hydrological seasonal forecasts and historical simulations for Europe and Multi-model hydrological seasonal reforecasts for Europe](https://forum.ecmwf.int/t/new-datasets-published-in-the-cds-multi-model-hydrological-seasonal-forecasts-and-historical-simulations-for-europe-and-multi-model-hydrological-seasonal-reforecasts-for-europe/15185)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 3\ **Last updated:** [28 July 2026 16:21 UTC](https://forum.ecmwf.int/t/new-datasets-published-in-the-cds-multi-model-hydrological-seasonal-forecasts-and-historical-simulations-for-europe-and-multi-model-hydrological-seasonal-reforecasts-for-europe/15185 "2026-07-28T16:21:53Z")
We are pleased to announce that new two datasets part of the Copernicus Climate Change Service (C3S) Water Service have been published in the Climate Data Store (CDS): The datasets provide multi-model hydrological s… --- ## [Changes with the Essential climate variables for assessment of climate variability from 1979 to present dataset](https://forum.ecmwf.int/t/changes-with-the-essential-climate-variables-for-assessment-of-climate-variability-from-1979-to-present-dataset/14890)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 1\ **Last updated:** [14 July 2026 10:34 UTC](https://forum.ecmwf.int/t/changes-with-the-essential-climate-variables-for-assessment-of-climate-variability-from-1979-to-present-dataset/14890 "2026-07-14T10:34:59Z")
We are hereby informing users of the Essential climate variables for assessment of climate variability from 1979 to present dataset, that access to the ERA-interim data source is discontinued, as of today 1st May 2026. … --- ## [New features implemented for CORDEX regional climate model data on single levels on the CDS](https://forum.ecmwf.int/t/new-features-implemented-for-cordex-regional-climate-model-data-on-single-levels-on-the-cds/15145)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [9 July 2026 15:00 UTC](https://forum.ecmwf.int/t/new-features-implemented-for-cordex-regional-climate-model-data-on-single-levels-on-the-cds/15145 "2026-07-09T15:00:00Z")
We are pleased to announce that an improvement to the CORDEX regional climate model data on single levels dataset catalogue entry on the Climate Data Store (CDS) has been implemented today, 9th July 2026, to add spatial … --- ## [Global Interpolated RAinFall Estimation (GIRAFE) satellite precipitation data up to December 2024 now available on CDS](https://forum.ecmwf.int/t/global-interpolated-rainfall-estimation-girafe-satellite-precipitation-data-up-to-december-2024-now-available-on-cds/15138)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [7 July 2026 16:54 UTC](https://forum.ecmwf.int/t/global-interpolated-rainfall-estimation-girafe-satellite-precipitation-data-up-to-december-2024-now-available-on-cds/15138 "2026-07-07T16:54:04Z")
We are pleased to announce that the temporal extension for the Daily and monthly Global Interpolated RAinFall Estimation (GIRAFE) data derived from satellite observations is now available on the Climate Data Store (CDS).… --- ## [Access to our ARCO ERA5 data lake / Zarr store](https://forum.ecmwf.int/t/access-to-our-arco-era5-data-lake-zarr-store/15123)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [30 June 2026 12:06 UTC](https://forum.ecmwf.int/t/access-to-our-arco-era5-data-lake-zarr-store/15123 "2026-06-30T12:06:43Z")
As part of our expansion of our product offerings based on ARCO (Analysis Ready Cloud Optimized) capabilities, we are pleased to announce direct tokenized access to ERA5 and ERA5-Land data cubes. In our CDS catalogue of… --- ## [Glaciers distribution data from the Randolph Glacier Inventory for year 2000 dataset improved version of RGIv7.0 published](https://forum.ecmwf.int/t/glaciers-distribution-data-from-the-randolph-glacier-inventory-for-year-2000-dataset-improved-version-of-rgiv7-0-published/15101)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [30 June 2026 10:42 UTC](https://forum.ecmwf.int/t/glaciers-distribution-data-from-the-randolph-glacier-inventory-for-year-2000-dataset-improved-version-of-rgiv7-0-published/15101 "2026-06-30T10:42:00Z")
We are pleased to announce today the publication of an improved version of the Randolph Glacier Inventory v7.0 (RGI v7.0), which is a world inventory of curated glacier outlines. It is directly accessible from the Climat… --- ## [Relative index in ENSO forecasts from C3S seasonal forecast systems](https://forum.ecmwf.int/t/relative-index-in-enso-forecasts-from-c3s-seasonal-forecast-systems/15110)
**Author:** [@Eduardo\_Penabad](https://forum.ecmwf.int/u/Eduardo_Penabad)\ **Replies:** 0\ **Last updated:** [26 June 2026 09:56 UTC](https://forum.ecmwf.int/t/relative-index-in-enso-forecasts-from-c3s-seasonal-forecast-systems/15110 "2026-06-26T09:56:06Z")
Following practice at several international operational centres, and recommendations from WMO, we have introduced a relative index to describe the ENSO state in forecasts, as well as in monitoring. Details of the definit… --- ## [New graphical product in the C3S seasonal forecasts component: ENSO percentile plots](https://forum.ecmwf.int/t/new-graphical-product-in-the-c3s-seasonal-forecasts-component-enso-percentile-plots/1618)
**Author:** [@Eduardo\_Penabad](https://forum.ecmwf.int/u/Eduardo_Penabad)\ **Replies:** 14\ **Last updated:** [26 June 2026 07:37 UTC](https://forum.ecmwf.int/t/new-graphical-product-in-the-c3s-seasonal-forecasts-component-enso-percentile-plots/1618 "2026-06-26T07:37:22Z")
We are pleased to announce that with the release of December 2023 forecasts (10th December 2023) a new view of the SST indices time series have been included for the ENSO regions in the C3S seasonal graphical products. h… --- ## [AgERA5 version 1.1 to be deprecated, please use AgERA5 version 2 (if not already)](https://forum.ecmwf.int/t/agera5-version-1-1-to-be-deprecated-please-use-agera5-version-2-if-not-already/14940)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 1\ **Last updated:** [18 June 2026 15:57 UTC](https://forum.ecmwf.int/t/agera5-version-1-1-to-be-deprecated-please-use-agera5-version-2-if-not-already/14940 "2026-06-18T15:57:26Z")
To the attention of users of AgERA5 version 1.1: AgERA5 version 1.1 is superseded by AgERA5 version 2, published in May 2025, which was fully reprocessed and fixes the Rogue Tmin-24h values as well as the Tmean \> Tmax i… --- ## [C3S User Satisfaction Survey](https://forum.ecmwf.int/t/c3s-user-satisfaction-survey/13399)
**Author:** [@Karen\_ORegan](https://forum.ecmwf.int/u/Karen_ORegan)\ **Replies:** 0\ **Last updated:** [10 June 2025 15:41 UTC](https://forum.ecmwf.int/t/c3s-user-satisfaction-survey/13399 "2025-06-10T15:41:37Z")
To improve our Copernicus Climate Change Service (C3S), we need to hear your feedback! Please complete the following very short survey for C3S: C3S User Satisfaction Survey Thank you! --- ## [New version 2.5 of the Copernicus Interactive Climate Atlas viewer and related dataset](https://forum.ecmwf.int/t/new-version-2-5-of-the-copernicus-interactive-climate-atlas-viewer-and-related-dataset/15025)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [2 June 2026 13:00 UTC](https://forum.ecmwf.int/t/new-version-2-5-of-the-copernicus-interactive-climate-atlas-viewer-and-related-dataset/15025 "2026-06-02T13:00:54Z")
We are pleased to announce that the new version (v2.5) of the Copernicus Interactive Climate Atlas (C3S Atlas) viewer and related dataset have been published on the Climate Data Store (CDS). The new version of the vie… --- ## [New datasets published in CDS: Global climate and energy indicators from 1950 to present derived from reanalysis](https://forum.ecmwf.int/t/new-datasets-published-in-cds-global-climate-and-energy-indicators-from-1950-to-present-derived-from-reanalysis/15026)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [2 June 2026 10:30 UTC](https://forum.ecmwf.int/t/new-datasets-published-in-cds-global-climate-and-energy-indicators-from-1950-to-present-derived-from-reanalysis/15026 "2026-06-02T10:30:03Z")
We are pleased to announce the publication of the new Global climate and energy indicators from 1950 to present derived from reanalysis, in the Climate Data Store (CDS) on 02 June 2026: This dataset provides global cl… --- ## [New dataset published in CDS: Agrometeorological indicators time-series from 1979 to present derived from reanalysis](https://forum.ecmwf.int/t/new-dataset-published-in-cds-agrometeorological-indicators-time-series-from-1979-to-present-derived-from-reanalysis/15021)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [1 June 2026 13:00 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-cds-agrometeorological-indicators-time-series-from-1979-to-present-derived-from-reanalysis/15021 "2026-06-01T13:00:35Z")
We are pleased to announce that a new dataset has been published today, 01-06-2026, in the Climate Data Store (CDS): This dataset is a post-processed version of the original CDS Agrometeorological indicators from 1979… --- ## [New version 3.0.0 of the Global land surface atmospheric variables from comprehensive in-situ observations now available on CDS](https://forum.ecmwf.int/t/new-version-3-0-0-of-the-global-land-surface-atmospheric-variables-from-comprehensive-in-situ-observations-now-available-on-cds/14892)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [28 May 2026 15:30 UTC](https://forum.ecmwf.int/t/new-version-3-0-0-of-the-global-land-surface-atmospheric-variables-from-comprehensive-in-situ-observations-now-available-on-cds/14892 "2026-05-28T15:30:11Z")
We are pleased to announce that the new version 3.0.0 of the Global land surface atmospheric variables from 1718 to present from comprehensive in-situ observations dataset has been published on the Climate Data Store (CD… --- ## [CARRA2 full historical period from 1986 to 2025 now available on the CDS](https://forum.ecmwf.int/t/carra2-full-historical-period-from-1986-to-2025-now-available-on-the-cds/14998)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [27 May 2026 10:00 UTC](https://forum.ecmwf.int/t/carra2-full-historical-period-from-1986-to-2025-now-available-on-the-cds/14998 "2026-05-27T10:00:34Z")
We are happy to inform you that the Copernicus pan-Arctic Regional Reanalysis (CARRA2) dataset had been extended to a full historical Arctic climate monitoring dataset covering the period 1986-2025 and it is now availabl… --- ## [New version 3.0 of the of near surface meteorological variables derived from bias-corrected ERA5 (WFDE5) and new companion dataset (W5E5) now available on CDS](https://forum.ecmwf.int/t/new-version-3-0-of-the-of-near-surface-meteorological-variables-derived-from-bias-corrected-era5-wfde5-and-new-companion-dataset-w5e5-now-available-on-cds/14956)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [15 May 2026 10:30 UTC](https://forum.ecmwf.int/t/new-version-3-0-of-the-of-near-surface-meteorological-variables-derived-from-bias-corrected-era5-wfde5-and-new-companion-dataset-w5e5-now-available-on-cds/14956 "2026-05-15T10:30:24Z")
We are pleased to announce that the new version 3.0 of the Near surface meteorological variables from 1979 to 2019 derived from bias-corrected reanalysis (WFDE5) dataset and its new companion dataset (W5E5) have been pub… [Next page](https://forum.ecmwf.int/c/announcements/c3s-announcements/7.md?page=1)