# \#access **URL:** https://forum.ecmwf.int/tag/access/65.md [Latest](https://forum.ecmwf.int/latest.md) · [Categories](https://forum.ecmwf.int/categories.md) · [Tags](https://forum.ecmwf.int/tags.md) --- ## [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 … --- ## [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… --- ## [ECMWF Open Data Store slow since the 50vr1 upgrade](https://forum.ecmwf.int/t/ecmwf-open-data-store-slow-since-the-50vr1-upgrade/14973)
**Author:** [@Ross\_Ursino](https://forum.ecmwf.int/u/Ross_Ursino)\ **Replies:** 12\ **Last updated:** [20 May 2026 17:29 UTC](https://forum.ecmwf.int/t/ecmwf-open-data-store-slow-since-the-50vr1-upgrade/14973 "2026-05-20T17:29:48Z")
Hello, I’m just wondering if anyone else has also noticed that downloading IFS data directly from the ECMWF Data Store has been extremely slow ever since the v50r1 upgrade occurred on the 12th of May? I have continuall… --- ## [Download CDS ERA5 data using R](https://forum.ecmwf.int/t/download-cds-era5-data-using-r/1365)
**Author:** [@Kevin\_Marsh](https://forum.ecmwf.int/u/Kevin_Marsh)\ **Replies:** 12\ **Last updated:** [14 December 2025 18:38 UTC](https://forum.ecmwf.int/t/download-cds-era5-data-using-r/1365 "2025-12-14T18:38:49Z")
Users can download CDS data using the ecmwfr package in R with “cds” as the "service" although it is not supported by C3S. In the examples below, "KEY" and "UID" are your CDS API key and UID respectively. PLEASE NOTE THA… --- ## [403 Client Error when downloading ERA5-Land data from API](https://forum.ecmwf.int/t/403-client-error-when-downloading-era5-land-data-from-api/11022)
**Author:** [@Benjamin\_Rohrer](https://forum.ecmwf.int/u/Benjamin_Rohrer)\ **Replies:** 4\ **Last updated:** [27 January 2025 16:26 UTC](https://forum.ecmwf.int/t/403-client-error-when-downloading-era5-land-data-from-api/11022 "2025-01-27T16:26:29Z")
Hello everyone, I just got this error when downloading ERA5-Land data via the CDS API: ERROR: Could not fetch data from CDS API: 403 Client Error: Forbidden for url: https://cds.climate.copernicus.eu/api/retrieve/v1/pr… --- ## [Unable to ping ads-beta.atmosphere.copernicus.eu](https://forum.ecmwf.int/t/unable-to-ping-ads-beta-atmosphere-copernicus-eu/10149)
**Author:** [@user293](https://forum.ecmwf.int/u/user293)\ **Replies:** 0\ **Last updated:** [9 December 2024 09:23 UTC](https://forum.ecmwf.int/t/unable-to-ping-ads-beta-atmosphere-copernicus-eu/10149 "2024-12-09T09:23:13Z")
Unable to ping ads-beta.atmosphere.copernicus.eu, the display is as follows: Pinging ads-beta.atmosphere.copernicus.eu \[136.156.139.54\] with 32 bytes of data: Request timed out. Request timed out. Request timed out. --- ## [How to download the Tco319L137 (about 32 km) resolution data of ECMWF S2S (subseasonal to seasonal)?](https://forum.ecmwf.int/t/how-to-download-the-tco319l137-about-32-km-resolution-data-of-ecmwf-s2s-subseasonal-to-seasonal/7391)
**Author:** [@he\_wen](https://forum.ecmwf.int/u/he_wen)\ **Replies:** 0\ **Last updated:** [3 November 2024 04:04 UTC](https://forum.ecmwf.int/t/how-to-download-the-tco319l137-about-32-km-resolution-data-of-ecmwf-s2s-subseasonal-to-seasonal/7391 "2024-11-03T04:04:01Z")
Hi - I download the subseasonal forecast data from the website ECMWF | S2S, ECMWF, Reforecasts, Daily averaged through a Python script (an example is as follows). #!/usr/bin/env python from ecmwfapi import ECMWFDataSer… --- ## [Issues using the CDS API in Python](https://forum.ecmwf.int/t/issues-using-the-cds-api-in-python/6813)
**Author:** [@Christian\_Ankerstjerne](https://forum.ecmwf.int/u/Christian_Ankerstjerne)\ **Replies:** 2\ **Last updated:** [12 October 2024 12:10 UTC](https://forum.ecmwf.int/t/issues-using-the-cds-api-in-python/6813 "2024-10-12T12:10:51Z")
To whom it may concern. I am currently trying to access the CDS API via python and having issues. I am running the following code: dataset = "cams-global-atmospheric-composition-forecasts" request = { "variable": \[… --- ## [Issue creating a CDS account](https://forum.ecmwf.int/t/issue-creating-a-cds-account/2762)
**Author:** [@Aileen\_Robert](https://forum.ecmwf.int/u/Aileen_Robert)\ **Replies:** 1\ **Last updated:** [20 May 2024 11:43 UTC](https://forum.ecmwf.int/t/issue-creating-a-cds-account/2762 "2024-05-20T11:43:12Z")
I tried to create an account to download the datasets for FWI, unfortunately I am still waiting for the confirmation email for 3 days now and still have not received any :smiling\_face\_with\_tear:. Please help… --- ## [Unable to download ERA5 data due to time-out](https://forum.ecmwf.int/t/unable-to-download-era5-data-due-to-time-out/2725)
**Author:** [@Ezra\_Eisbrenner](https://forum.ecmwf.int/u/Ezra_Eisbrenner)\ **Replies:** 5\ **Last updated:** [17 May 2024 13:21 UTC](https://forum.ecmwf.int/t/unable-to-download-era5-data-due-to-time-out/2725 "2024-05-17T13:21:34Z")
Hi there, I have issues downloading data via the (python) cdsapi, I end up with time-outs. I have commented on an announcement last week, but I thought I better my chances of a timely answer by reposting this as a new p… --- ## [CAMS European air quality forecasts archive data not available on Wednesday 31st January](https://forum.ecmwf.int/t/cams-european-air-quality-forecasts-archive-data-not-available-on-wednesday-31st-january/1623)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [29 January 2024 15:17 UTC](https://forum.ecmwf.int/t/cams-european-air-quality-forecasts-archive-data-not-available-on-wednesday-31st-january/1623 "2024-01-29T15:17:15Z")
We would like to inform you that due to a maintenance on servers CAMS European air quality forecasts archive data will not be available on Wednesday 31st January between 7:00 am to 12:00 am UTC. We apologize in advance … --- ## [Radiative heating rate at model levels](https://forum.ecmwf.int/t/radiative-heating-rate-at-model-levels/1620)
**Author:** [@Kuan-Yun\_Wang](https://forum.ecmwf.int/u/Kuan-Yun_Wang)\ **Replies:** 0\ **Last updated:** [23 January 2024 18:10 UTC](https://forum.ecmwf.int/t/radiative-heating-rate-at-model-levels/1620 "2024-01-23T18:10:48Z")
Hi everyone, I downloaded the 0-step-forecast longwave radiative heating rate (paramID: 235002) at model levels, but found that all the values are 0. Is this normal? I also tried to download the analysis longwave radi… --- ## [Access to CDS selected ECV datasets restored](https://forum.ecmwf.int/t/access-to-cds-selected-ecv-datasets-restored/1573)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [8 January 2024 13:00 UTC](https://forum.ecmwf.int/t/access-to-cds-selected-ecv-datasets-restored/1573 "2024-01-08T13:00:55Z")
UPDATE on 11-JAN-2024: Access to all ECV datasets has now been restored. UPDATE on 10-JAN-2024: The following datasets are now available to download again: Earth's radiation budget from 1979 to present derived from s… --- ## [How to obtain the era5 data of the specified geometric height ? Are there any papers recommended?](https://forum.ecmwf.int/t/how-to-obtain-the-era5-data-of-the-specified-geometric-height-are-there-any-papers-recommended/1616)
**Author:** [@xin\_chen](https://forum.ecmwf.int/u/xin_chen)\ **Replies:** 0\ **Last updated:** [2 January 2024 14:30 UTC](https://forum.ecmwf.int/t/how-to-obtain-the-era5-data-of-the-specified-geometric-height-are-there-any-papers-recommended/1616 "2024-01-02T14:30:11Z")
Good day I already understand how to calculate geometric altitude through raw ERA5 data. ERA5: compute pressure and geopotential on model levels, geopotential height and geometric height - Copernicus Knowledge Base - EC… --- ## [Can Not Access Data](https://forum.ecmwf.int/t/can-not-access-data/1310)
**Author:** [@Jim\_Munley](https://forum.ecmwf.int/u/Jim_Munley)\ **Replies:** 0\ **Last updated:** [26 December 2023 17:17 UTC](https://forum.ecmwf.int/t/can-not-access-data/1310 "2023-12-26T17:17:37Z")
I get data not available on sites? --- ## [How to retrieve daily and 1.0°x1.0° ERA5 data using R](https://forum.ecmwf.int/t/how-to-retrieve-daily-and-1-0-x1-0-era5-data-using-r/1615)
**Author:** [@Diego\_Hernandez\_Neir](https://forum.ecmwf.int/u/Diego_Hernandez_Neir)\ **Replies:** 0\ **Last updated:** [4 December 2023 13:23 UTC](https://forum.ecmwf.int/t/how-to-retrieve-daily-and-1-0-x1-0-era5-data-using-r/1615 "2023-12-04T13:23:19Z")
Hello all. I'm trying to use the "Daily statistics calculated from ERA5 data" application through R instead of Python. Do you know if it is possible? In particular, I need coarser data in time (daily) and space (1.0°x1.0… --- ## [Report a data access error in ERA5 single-level dataset](https://forum.ecmwf.int/t/report-a-data-access-error-in-era5-single-level-dataset/1169)
**Author:** [@Qi\_Zhang](https://forum.ecmwf.int/u/Qi_Zhang)\ **Replies:** 1\ **Last updated:** [29 November 2023 01:09 UTC](https://forum.ecmwf.int/t/report-a-data-access-error-in-era5-single-level-dataset/1169 "2023-11-29T01:09:33Z")
Problem description: I downloaded three netcdf data files (each file contains swh and wind speed) around three regions in the same time range. The three regions are quite similar in space with merely 1.5 degree differenc… --- ## [How to download daily ERA5 pressure levels quickly?](https://forum.ecmwf.int/t/how-to-download-daily-era5-pressure-levels-quickly/1414)
**Author:** [@Hamin\_Koo](https://forum.ecmwf.int/u/Hamin_Koo)\ **Replies:** 2\ **Last updated:** [17 November 2023 13:51 UTC](https://forum.ecmwf.int/t/how-to-download-daily-era5-pressure-levels-quickly/1414 "2023-11-17T13:51:34Z")
Hi, all. I'm a new using cds tool. so I have been referring to several scripts on this site. But, the running time is too long. Is it most efficient to download each variable per level? I have to download all vari… --- ## [Atmosphere Data Store (ADS) service fully operational again](https://forum.ecmwf.int/t/atmosphere-data-store-ads-service-fully-operational-again/887)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [17 November 2023 10:14 UTC](https://forum.ecmwf.int/t/atmosphere-data-store-ads-service-fully-operational-again/887 "2023-11-17T10:14:48Z")
Update Nov. 20, 2023: All Atmosphere Data Store systems are fully operational again following the power outage of last Thursday. Following a major power outage yesterday, Thursday 16th November 2023, our Data Centre in… --- ## [CAMS European air quality forecasts archive data not available from Tuesday 10 October until Wednesday 11 October 2023](https://forum.ecmwf.int/t/cams-european-air-quality-forecasts-archive-data-not-available-from-tuesday-10-october-until-wednesday-11-october-2023/966)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [5 October 2023 15:53 UTC](https://forum.ecmwf.int/t/cams-european-air-quality-forecasts-archive-data-not-available-from-tuesday-10-october-until-wednesday-11-october-2023/966 "2023-10-05T15:53:33Z")
We would like to inform you that due to a maintenance session CAMS European air quality forecasts archive data will not be available from Tuesday 10 October 2pm UTC until Wednesday 11 October 5pm UTC. CAMS European air … --- ## [Still missing era5 hourly data t2m timestamps (2023-09-11 22:00 and 23:00) after 6 days](https://forum.ecmwf.int/t/still-missing-era5-hourly-data-t2m-timestamps-2023-09-11-22-00-and-23-00-after-6-days/1238)
**Author:** [@Philippe\_Malcorps](https://forum.ecmwf.int/u/Philippe_Malcorps)\ **Replies:** 6\ **Last updated:** [20 September 2023 17:08 UTC](https://forum.ecmwf.int/t/still-missing-era5-hourly-data-t2m-timestamps-2023-09-11-22-00-and-23-00-after-6-days/1238 "2023-09-20T17:08:42Z")
Dear all, I am running a daily pipeline to download specific variables from reanalysis-era5-single-levels using the CDS API, to retrieve the data from the date 7 days in the past. The today pipeline that corresponds to … --- ## [CAMS global greenhouse gas reanalasys (EGG4) (3-hourly) avaibility after 2020](https://forum.ecmwf.int/t/cams-global-greenhouse-gas-reanalasys-egg4-3-hourly-avaibility-after-2020/1292)
**Author:** [@Marine\_Claeys](https://forum.ecmwf.int/u/Marine_Claeys)\ **Replies:** 0\ **Last updated:** [15 September 2023 08:44 UTC](https://forum.ecmwf.int/t/cams-global-greenhouse-gas-reanalasys-egg4-3-hourly-avaibility-after-2020/1292 "2023-09-15T08:44:40Z")
Will EGG4 data be available for the year 2021 ? --- ## [No access to CAMS European forecast archive data on Tuesday 29 August](https://forum.ecmwf.int/t/no-access-to-cams-european-forecast-archive-data-on-tuesday-29-august/1530)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [25 August 2023 14:47 UTC](https://forum.ecmwf.int/t/no-access-to-cams-european-forecast-archive-data-on-tuesday-29-august/1530 "2023-08-25T14:47:21Z")
Due to essential maintenance work on Tuesday 29th August 2023 between 06:00 and 14:00 UTC, there will be no access to CAMS European forecast data for dates more than 4 days old. We are sorry for the inconvenience this ma… --- ## [Questions on downloading and processing ERA5 temperature tendencies](https://forum.ecmwf.int/t/questions-on-downloading-and-processing-era5-temperature-tendencies/1582)
**Author:** [@Bo\_Liu](https://forum.ecmwf.int/u/Bo_Liu)\ **Replies:** 0\ **Last updated:** [4 July 2023 12:17 UTC](https://forum.ecmwf.int/t/questions-on-downloading-and-processing-era5-temperature-tendencies/1582 "2023-07-04T12:17:02Z")
Questions on downloading and processing ERA5 temperature tendencies Hi there! The summary of my question is as follows. Overall, there are three questions. Q1. The speed of processing and downloading temperature tende… --- ## [Download ERA5 data for a specific location](https://forum.ecmwf.int/t/download-era5-data-for-a-specific-location/1274)
**Author:** [@Paul\_CUNILL\_CAMPRUBI](https://forum.ecmwf.int/u/Paul_CUNILL_CAMPRUBI)\ **Replies:** 5\ **Last updated:** [11 June 2023 11:38 UTC](https://forum.ecmwf.int/t/download-era5-data-for-a-specific-location/1274 "2023-06-11T11:38:26Z")
Hello everyone, I am interested in ERA5 reanalysis data (hourly on pressure levels) for one specific weather station, i.e. one specific grid cell, over 10 years in time. In theory, this should not result in too much dat… --- ## [Failing to retrieve data via cdsapi client](https://forum.ecmwf.int/t/failing-to-retrieve-data-via-cdsapi-client/1378)
**Author:** [@Tim\_Wessels](https://forum.ecmwf.int/u/Tim_Wessels)\ **Replies:** 3\ **Last updated:** [11 April 2023 12:21 UTC](https://forum.ecmwf.int/t/failing-to-retrieve-data-via-cdsapi-client/1378 "2023-04-11T12:21:11Z")
Hi, I am using the cdsapi python package to load era5 data. I am basically doing cds\_client = cdsapi.Client(quiet=False, url=url, key=key, verify=True) params = {'product\_type': 'reanalysis', 'time': \['… --- ## [Can i download more data simultaneously from ERA5-LAND?](https://forum.ecmwf.int/t/can-i-download-more-data-simultaneously-from-era5-land/1329)
**Author:** [@raul\_torres](https://forum.ecmwf.int/u/raul_torres)\ **Replies:** 1\ **Last updated:** [5 April 2023 15:30 UTC](https://forum.ecmwf.int/t/can-i-download-more-data-simultaneously-from-era5-land/1329 "2023-04-05T15:30:36Z")
need dowload "Volumetric Soil Water layer 1" but only can dowload 1 month at a time https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-land?tab=form. I need the hourly data, I know whit monthly data i… --- ## [When will CERRA become available?](https://forum.ecmwf.int/t/when-will-cerra-become-available/866)
**Author:** [@David\_Wang](https://forum.ecmwf.int/u/David_Wang)\ **Replies:** 3\ **Last updated:** [7 March 2023 14:54 UTC](https://forum.ecmwf.int/t/when-will-cerra-become-available/866 "2023-03-07T14:54:58Z")
It is said on https://climate.copernicus.eu/copernicus-regional-reanalysis-europe-cerra that the production was supposed to complete in 2021. Now it's already 2022. When can we expect to access the data from the C3S Clim… --- ## [Access to CAMS European air quality forecasts data temporally disrupted - Update](https://forum.ecmwf.int/t/access-to-cams-european-air-quality-forecasts-data-temporally-disrupted-update/1646)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [2 March 2023 17:49 UTC](https://forum.ecmwf.int/t/access-to-cams-european-air-quality-forecasts-data-temporally-disrupted-update/1646 "2023-03-02T17:49:00Z")
Update on 09-03-2023 Access to the data has been improved. However please be aware there may be intermittent issues with requests. There is currently an issue today, Friday 2th March 2023, with requests for a… --- ## [CAMS European air quality validated reanalysis 2020 data now available on the ADS](https://forum.ecmwf.int/t/cams-european-air-quality-validated-reanalysis-2020-data-now-available-on-the-ads/996)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [1 March 2023 10:03 UTC](https://forum.ecmwf.int/t/cams-european-air-quality-validated-reanalysis-2020-data-now-available-on-the-ads/996 "2023-03-01T10:03:24Z")
We would like to inform you that the CAMS European air quality validated reanalysis 2020 data are now available from the ADS at: https://ads.atmosphere.copernicus.eu/cdsapp#!/dataset/cams-europe-air-quality-reanalyses?t… [Next page](https://forum.ecmwf.int/tag/access/65.md?match_all_tags=true&page=1&tags%5B%5D=access)