# \#c3s **URL:** https://forum.ecmwf.int/tag/c3s/18.md [Latest](https://forum.ecmwf.int/latest.md) · [Categories](https://forum.ecmwf.int/categories.md) · [Tags](https://forum.ecmwf.int/tags.md) --- ## [CDS account disabled and unable to submit support ticket due to invalid security token](https://forum.ecmwf.int/t/cds-account-disabled-and-unable-to-submit-support-ticket-due-to-invalid-security-token/15489)
**Author:** [@MA\_Hongyu](https://forum.ecmwf.int/u/MA_Hongyu)\ **Replies:** 2\ **Last updated:** [24 October 2026 03:37 UTC](https://forum.ecmwf.int/t/cds-account-disabled-and-unable-to-submit-support-ticket-due-to-invalid-security-token/15489 "2026-10-24T03:37:03Z")
Dear ECMWF Support Team, Since 21 October 2026, my CDS account has been returning “User is disabled” when accessing both the CDS API and the “Your Requests” page. I can still log in to my CDS account normally. I attem… --- ## [ERA5-Land - the land-sea mask is now available/Invariant parameters](https://forum.ecmwf.int/t/era5-land-the-land-sea-mask-is-now-available-invariant-parameters/1294)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 9\ **Last updated:** [20 October 2026 18:51 UTC](https://forum.ecmwf.int/t/era5-land-the-land-sea-mask-is-now-available-invariant-parameters/1294 "2026-10-20T18:51:51Z")
The land-sea mask and geopotential used to produce the ERA5-Land dataset is now available from: ERA5-Land data documentation Please see the section Parameter listings This is interpolated to a regular lat/lon grid of … --- ## [Feedback-gathering survey on the C3S Global land surface comprehensive in-situ observations dataset](https://forum.ecmwf.int/t/feedback-gathering-survey-on-the-c3s-global-land-surface-comprehensive-in-situ-observations-dataset/15457)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [20 October 2026 12:25 UTC](https://forum.ecmwf.int/t/feedback-gathering-survey-on-the-c3s-global-land-surface-comprehensive-in-situ-observations-dataset/15457 "2026-10-20T12:25:47Z")
We are inviting users of the C3S Global land surface comprehensive in-situ observations dataset to take part in a short survey designed to improve this dataset. Your experience — whether you actively use these data for … --- ## [Delayed update of Soil moisture gridded data following issue identification](https://forum.ecmwf.int/t/delayed-update-of-soil-moisture-gridded-data-following-issue-identification/15456)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [20 October 2026 09:10 UTC](https://forum.ecmwf.int/t/delayed-update-of-soil-moisture-gridded-data-following-issue-identification/15456 "2026-10-20T09:10:36Z")
Important notice for users of the Soil moisture gridded data from 1978 to present dataset The regular 10-day ICDR data updates was temporarily suspended since 20 September 2026 after the data providers identified gaps a… --- ## [New dataset published in CDS: Indicators of global climate change (IGCC) from 1750 to present](https://forum.ecmwf.int/t/new-dataset-published-in-cds-indicators-of-global-climate-change-igcc-from-1750-to-present/15426)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [19 October 2026 09:30 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-cds-indicators-of-global-climate-change-igcc-from-1750-to-present/15426 "2026-10-19T09:30:07Z")
We are pleased to announce that a new dataset has been published today, 19th October 2026, in the Climate Data Store (CDS): This dataset of the Indicators of Global Climate Change (IGCC) is an annual, open assessment … --- ## [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… --- ## [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… --- ## [Most recent ERA5T data now also available through ECMWF Dissemination](https://forum.ecmwf.int/t/most-recent-era5t-data-now-also-available-through-ecmwf-dissemination/15287)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [30 September 2026 13:52 UTC](https://forum.ecmwf.int/t/most-recent-era5t-data-now-also-available-through-ecmwf-dissemination/15287 "2026-09-30T13:52:56Z")
We are pleased to announce that the most recent ERA5T data (with 5 days delay from the current date) are also available through ECMWF Dissemination from 8 September 2026 for a service charge. In this way, you can select… --- ## [Is there an archived surface upward longwave radiation field in ERA5, or should it be derived as STRD − STR? ](https://forum.ecmwf.int/t/is-there-an-archived-surface-upward-longwave-radiation-field-in-era5-or-should-it-be-derived-as-strd-str/15360)
**Author:** [@Cristiam\_Portilla](https://forum.ecmwf.int/u/Cristiam_Portilla)\ **Replies:** 0\ **Last updated:** [28 September 2026 08:25 UTC](https://forum.ecmwf.int/t/is-there-an-archived-surface-upward-longwave-radiation-field-in-era5-or-should-it-be-derived-as-strd-str/15360 "2026-09-28T08:25:33Z")
Our team is working on the Fondecyt Regular Project N° 1260452 (focused on projecting marine heatwaves and cold spells off the coast of Chile). Context of the problem: We are comparing the agreement between net shortwa… --- ## [Recommended strategy for bulk downloads](https://forum.ecmwf.int/t/recommended-strategy-for-bulk-downloads/14888)
**Author:** [@David\_Orme](https://forum.ecmwf.int/u/David_Orme)\ **Replies:** 9\ **Last updated:** [26 September 2026 15:49 UTC](https://forum.ecmwf.int/t/recommended-strategy-for-bulk-downloads/14888 "2026-09-26T15:49:02Z")
Hi, I wanted to ask if there is a preferred or recommended approach for downloading bulk data. I’ve been tasked to download 46 years of hourly data for 10 variables from the global ERA5 single level 0.25° resolution dat… --- ## [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… --- ## [ERA-I:This service has been phased out](https://forum.ecmwf.int/t/era-i-this-service-has-been-phased-out/782)
**Author:** [@Mohammad\_Mohseni\_Are](https://forum.ecmwf.int/u/Mohammad_Mohseni_Are)\ **Replies:** 3\ **Last updated:** [21 September 2026 08:20 UTC](https://forum.ecmwf.int/t/era-i-this-service-has-been-phased-out/782 "2026-09-21T08:20:32Z")
I am trying to download ERA-I data using ECMWF app but it seems the data is not available. I was wondering if anyone can help in this regards HERE is error message ecmwf.API error 1: ERROR 170: This service has bee… --- ## [Land cover classes in C3S-LC-L4-LCCS-Map differ from documentation](https://forum.ecmwf.int/t/land-cover-classes-in-c3s-lc-l4-lccs-map-differ-from-documentation/14878)
**Author:** [@Fabian\_Stenzel](https://forum.ecmwf.int/u/Fabian_Stenzel)\ **Replies:** 5\ **Last updated:** [11 September 2026 06:10 UTC](https://forum.ecmwf.int/t/land-cover-classes-in-c3s-lc-l4-lccs-map-differ-from-documentation/14878 "2026-09-11T06:10:48Z")
Dear all, we appreciate these great resources for our research! We have downloaded and analyzed the C3S-LC-L4-LCCS data from Land cover classification gridded maps from 1992 to present derived from satellite observatio… --- ## [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… --- ## [WRF Vtable for ECMWF 10-days open data](https://forum.ecmwf.int/t/wrf-vtable-for-ecmwf-10-days-open-data/1167)
**Author:** [@golam\_rabbani](https://forum.ecmwf.int/u/golam_rabbani)\ **Replies:** 4\ **Last updated:** [7 September 2026 07:01 UTC](https://forum.ecmwf.int/t/wrf-vtable-for-ecmwf-10-days-open-data/1167 "2026-09-07T07:01:51Z")
I am trying to use ECMWF 10-days forecast data (https://data.ecmwf.int/forecasts/) as Initial & Boundary condition in WPS. Where can I find the Vtable.ECMWF for it? The default/given Vtable.ECMWF inside WRF doesn't wor… --- ## [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… --- ## [Help shape the future of ERA5 reanalysis data](https://forum.ecmwf.int/t/help-shape-the-future-of-era5-reanalysis-data/15164)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 1\ **Last updated:** [27 August 2026 11:16 UTC](https://forum.ecmwf.int/t/help-shape-the-future-of-era5-reanalysis-data/15164 "2026-08-27T11:16:42Z")
Do you use ERA5 for research, operational activities, decision-making, education or commercial applications? We would like to hear about your experience. This short survey aims to understand how ERA5 data are used in… --- ## [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 … --- ## [Survey: Your opinion matters! Help us shaping the future of C3S agro-climatic indicators and tools](https://forum.ecmwf.int/t/survey-your-opinion-matters-help-us-shaping-the-future-of-c3s-agro-climatic-indicators-and-tools/15143)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 2\ **Last updated:** [7 August 2026 15:37 UTC](https://forum.ecmwf.int/t/survey-your-opinion-matters-help-us-shaping-the-future-of-c3s-agro-climatic-indicators-and-tools/15143 "2026-08-07T15:37:44Z")
We re inviting users of C3S agro-climatic data and tools to take part in a short survey designed to improve how climate information supports agriculture. Your experience — whether you actively use climate data or not — c… --- ## [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… --- ## [Coming to ECMWF Dissemination for a fee: ERA5T and CAMS greenhouse gases](https://forum.ecmwf.int/t/coming-to-ecmwf-dissemination-for-a-fee-era5t-and-cams-greenhouse-gases/15205)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [30 July 2026 12:10 UTC](https://forum.ecmwf.int/t/coming-to-ecmwf-dissemination-for-a-fee-era5t-and-cams-greenhouse-gases/15205 "2026-07-30T12:10:00Z")
We are working on adding two new datasets to the ECMWF real-time catalogue and to dissemination via ECPDS for a fee. We expect these to become available from early Q4 2026. ERA5T (class=ea, expver=0005): the preliminary… --- ## [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… --- ## [About snowfall and snowmelt, how to caculate total monthly snowfall and snowmelt?](https://forum.ecmwf.int/t/about-snowfall-and-snowmelt-how-to-caculate-total-monthly-snowfall-and-snowmelt/1637)
**Author:** [@Dango\_Zhang](https://forum.ecmwf.int/u/Dango_Zhang)\ **Replies:** 4\ **Last updated:** [27 July 2026 11:19 UTC](https://forum.ecmwf.int/t/about-snowfall-and-snowmelt-how-to-caculate-total-monthly-snowfall-and-snowmelt/1637 "2026-07-27T11:19:44Z")
Dear all, I am using Snowfall and Snowmelt of ERA5-Land. First of all, I would like to ask, the document (ERA5-Land: data documentation, ERA5-Land: data documentation-Copernicus Knowledge Base-ECMWF Confluence Wiki) sa… --- ## [ERA5 HRES Reanalysis data request](https://forum.ecmwf.int/t/era5-hres-reanalysis-data-request/1280)
**Author:** [@Mohammad\_Mohseni\_Are](https://forum.ecmwf.int/u/Mohammad_Mohseni_Are)\ **Replies:** 5\ **Last updated:** [27 July 2026 07:09 UTC](https://forum.ecmwf.int/t/era5-hres-reanalysis-data-request/1280 "2026-07-27T07:09:10Z")
Dear all I am looking for ERA5 HRES Reanalysis data which is mentioned here. https://github.com/dbekaert/RAiDER/blob/dev/docs/WeatherModels.md Which can be downloaded using ECMWF API I was wondering how can i sign… --- ## [New dataset published in the CDS: Snow cover extent from 1982 to present derived from satellite observations](https://forum.ecmwf.int/t/new-dataset-published-in-the-cds-snow-cover-extent-from-1982-to-present-derived-from-satellite-observations/15033)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 2\ **Last updated:** [20 July 2026 09:08 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-the-cds-snow-cover-extent-from-1982-to-present-derived-from-satellite-observations/15033 "2026-07-20T09:08:52Z")
We are pleased to announce the publication of a new Essential Climate Variable (ECV) product from the Cryosphere domain, in the Climate Data Store (CDS) on 02 June 2026: Snow Cover Extent (SCE) provides daily global e… --- ## [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. … --- ## [Spatial subsetting of CORDEX data](https://forum.ecmwf.int/t/spatial-subsetting-of-cordex-data/1411)
**Author:** [@Patrick\_Van\_Laake](https://forum.ecmwf.int/u/Patrick_Van_Laake)\ **Replies:** 3\ **Last updated:** [10 July 2026 11:14 UTC](https://forum.ecmwf.int/t/spatial-subsetting-of-cordex-data/1411 "2026-07-10T11:14:46Z")
Hello all, I am trying to put together a simple subsetting operation on CORDEX data. It is effectively the simplest data retrieval command followed by ct.cube.select(data, extent=\[28., 42., -3., 0.\]). The app, however, … [Next page](https://forum.ecmwf.int/tag/c3s/18.md?match_all_tags=true&page=1&tags%5B%5D=c3s)