# \#cordex

**URL:** https://forum.ecmwf.int/tag/cordex/30.md

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## [Cordex-EUR11 data has band patterns in data values](https://forum.ecmwf.int/t/cordex-eur11-data-has-band-patterns-in-data-values/15363)

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**Author:** [@Merijn\_van\_den\_Bosch](https://forum.ecmwf.int/u/Merijn_van_den_Bosch)\
**Replies:** 4\
**Last updated:** [15 October 2026 13:02 UTC](https://forum.ecmwf.int/t/cordex-eur11-data-has-band-patterns-in-data-values/15363 "2026-10-15T13:02:17Z")

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Hello, I am currently working with both temperature and SPEI data from Cordex-EUR11. All is working well, but I’ve noticed some kind of unnatural splits in the data values which form longitudinal lines in the Eastern p…

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## [CORDEX Downloading - Slower after July update](https://forum.ecmwf.int/t/cordex-downloading-slower-after-july-update/15229)

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**Author:** [@Mattia\_Donato](https://forum.ecmwf.int/u/Mattia_Donato)\
**Replies:** 6\
**Last updated:** [6 August 2026 14:24 UTC](https://forum.ecmwf.int/t/cordex-downloading-slower-after-july-update/15229 "2026-08-06T14:24:45Z")

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Dear All, I have been downloading CORDEX data via API and it seems very slow recently. Has anyone encountered a similar issue? Thank you

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## [Spatial subsetting of CORDEX data](https://forum.ecmwf.int/t/spatial-subsetting-of-cordex-data/1411)

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**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")

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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, …

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## [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)

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**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")

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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 …

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## [How to view CORDEX data for Europe in QGIS together with other raster features?](https://forum.ecmwf.int/t/how-to-view-cordex-data-for-europe-in-qgis-together-with-other-raster-features/14436)

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**Author:** [@Steven\_Hoek](https://forum.ecmwf.int/u/Steven_Hoek)\
**Replies:** 0\
**Last updated:** [19 November 2025 10:08 UTC](https://forum.ecmwf.int/t/how-to-view-cordex-data-for-europe-in-qgis-together-with-other-raster-features/14436 "2025-11-19T10:08:49Z")

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It appears to be rather difficult to view NetCDF rasters with CORDEX data in QGIS. Why don’t these files come with an already defined CRS? I can actually view them somehow, but the grids don’t appear where they are suppo…

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## [Minimum selection for CORDEX Africa is beyond the data limit](https://forum.ecmwf.int/t/minimum-selection-for-cordex-africa-is-beyond-the-data-limit/14242)

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**Author:** [@Rasmus\_Benestad](https://forum.ecmwf.int/u/Rasmus_Benestad)\
**Replies:** 0\
**Last updated:** [8 October 2025 08:32 UTC](https://forum.ecmwf.int/t/minimum-selection-for-cordex-africa-is-beyond-the-data-limit/14242 "2025-10-08T08:32:20Z")

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I’m trying to download one RCM 0.22 degree CORDEX Africa run with 5 years of dailr precipitation, but the data size is larger than the maximum limit it seems. What do I do?

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## [Mismatch between CORDEX model data and DHMZ / ERA data for January vs February temperatures — possible time-coordinate misalignment](https://forum.ecmwf.int/t/mismatch-between-cordex-model-data-and-dhmz-era-data-for-january-vs-february-temperatures-possible-time-coordinate-misalignment/14202)

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**Author:** [@Terezija\_Go](https://forum.ecmwf.int/u/Terezija_Go)\
**Replies:** 1\
**Last updated:** [29 September 2025 10:12 UTC](https://forum.ecmwf.int/t/mismatch-between-cordex-model-data-and-dhmz-era-data-for-january-vs-february-temperatures-possible-time-coordinate-misalignment/14202 "2025-09-29T10:12:50Z")

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Hello, I am using CORDEX regional climate model data (“projections-Cordex single levels”) for the location Tounj over the historical period 1971-2000. My ensemble consists of 4 GCM-RCM combinations: • MPI-ESM-LR × REMO…

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## [\[Errno 2\] No such file or directory](https://forum.ecmwf.int/t/errno-2-no-such-file-or-directory/11219)

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**Author:** [@Costanza\_Guarducci](https://forum.ecmwf.int/u/Costanza_Guarducci)\
**Replies:** 0\
**Last updated:** [7 February 2025 09:34 UTC](https://forum.ecmwf.int/t/errno-2-no-such-file-or-directory/11219 "2025-02-07T09:34:34Z")

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Hi everyone! Does anyone know this error? \[Errno 2\] No such file or directory It occurs every time I try to access the earthkit library, installed inside an anaconda environment Thanks to anyone who can help me! CG

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## [ConnectionError requesting datasets](https://forum.ecmwf.int/t/connectionerror-requesting-datasets/10695)

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**Author:** [@Leonardo\_Gottardi](https://forum.ecmwf.int/u/Leonardo_Gottardi)\
**Replies:** 0\
**Last updated:** [9 January 2025 14:42 UTC](https://forum.ecmwf.int/t/connectionerror-requesting-datasets/10695 "2025-01-09T14:42:46Z")

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I’ve been trying to request datasets from “Gridded dataset underpinning the Copernicus Interactive Climate Atlas - CORDEX-EUR-11” since this morning and it keeps on failing returning the error “ConnectionError”. Is anybo…

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## [C3S regional climate projections: questions and answers?](https://forum.ecmwf.int/t/c3s-regional-climate-projections-questions-and-answers/2315)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [26 March 2024 15:34 UTC](https://forum.ecmwf.int/t/c3s-regional-climate-projections-questions-and-answers/2315 "2024-03-26T15:34:34Z")

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The questions below are originally written with the perspective of providing user guidance related to EURO-CORDEX results, however many questions are broad and applies in a more general sense. This could mean that they c…

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## [Cordex- cds api](https://forum.ecmwf.int/t/cordex-cds-api/921)

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**Author:** [@Mateo\_Carmona\_Carras](https://forum.ecmwf.int/u/Mateo_Carmona_Carras)\
**Replies:** 0\
**Last updated:** [21 December 2023 08:35 UTC](https://forum.ecmwf.int/t/cordex-cds-api/921 "2023-12-21T08:35:43Z")

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Dear all, My name is Mateo Carmona and I work in the Sustainable Finance department at Mazars Spain as a Data Analyst as well in the Barcelona office. Through a request to the CDS API, I have obtained data relevant…

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## [How to know the available combination of parameters to download CORDEX data via the CDS api?](https://forum.ecmwf.int/t/how-to-know-the-available-combination-of-parameters-to-download-cordex-data-via-the-cds-api/1082)

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**Author:** [@Suso\_Peiz](https://forum.ecmwf.int/u/Suso_Peiz)\
**Replies:** 3\
**Last updated:** [21 November 2022 22:32 UTC](https://forum.ecmwf.int/t/how-to-know-the-available-combination-of-parameters-to-download-cordex-data-via-the-cds-api/1082 "2022-11-21T22:32:47Z")

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Hi, I need to download a different combination of GCMs and RCMs from the CDS CORDEX catalogue entry via the CDS api but I don't know how I could automatically know which are the available combinations to download. Fo…

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## [\[Errno 110\] Connection timed out](https://forum.ecmwf.int/t/errno-110-connection-timed-out/1358)

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**Author:** [@Pluto\_Chui](https://forum.ecmwf.int/u/Pluto_Chui)\
**Replies:** 1\
**Last updated:** [21 December 2021 10:24 UTC](https://forum.ecmwf.int/t/errno-110-connection-timed-out/1358 "2021-12-21T10:24:11Z")

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Starting from 3 Dec 2021, I am not able to download Cordex (East Asia). The error message is Errno110 Connection time out. May anybody help? The following is the detailed error message: raise Exception( Excepti…

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## [Questions related to CMIP and CORDEX](https://forum.ecmwf.int/t/questions-related-to-cmip-and-cordex/1441)

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**Author:** [@Andras\_Horanyi](https://forum.ecmwf.int/u/Andras_Horanyi)\
**Replies:** 0\
**Last updated:** [10 September 2021 13:36 UTC](https://forum.ecmwf.int/t/questions-related-to-cmip-and-cordex/1441 "2021-09-10T13:36:38Z")

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Questions related to the existing networks of climate model cooperations and which climate model projections to use. What is CMIP? CMIP stands for the Coupled Model Intercomparison Project and is a joint …

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## [CORDEX catalogue entry extended to offer 8 additional geographical domains](https://forum.ecmwf.int/t/cordex-catalogue-entry-extended-to-offer-8-additional-geographical-domains/1419)

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**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\
**Replies:** 0\
**Last updated:** [27 May 2021 06:30 UTC](https://forum.ecmwf.int/t/cordex-catalogue-entry-extended-to-offer-8-additional-geographical-domains/1419 "2021-05-27T06:30:06Z")

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We are pleased to inform our users that CORDEX data from the Climate Data Store (CDS) has been extended to offer 8 additional geographical domains: Antarctica Australasia Central America Central Asia East Asia M…

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## [New CORDEX domains in the CDS](https://forum.ecmwf.int/t/new-cordex-domains-in-the-cds/1300)

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**Author:** [@Andras\_Horanyi](https://forum.ecmwf.int/u/Andras_Horanyi)\
**Replies:** 0\
**Last updated:** [4 March 2021 08:50 UTC](https://forum.ecmwf.int/t/new-cordex-domains-in-the-cds/1300 "2021-03-04T08:50:49Z")

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We are pleased to announce that new geographical domains have been added to the CORDEX regional climate model data on single levels dataset in the Climate Data Store (CDS). This now includes the following regions: - Eur…

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## [CORDEX data from the Climate Data Store (CDS) has been extended to offer new features!](https://forum.ecmwf.int/t/cordex-data-from-the-climate-data-store-cds-has-been-extended-to-offer-new-features/882)

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**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\
**Replies:** 0\
**Last updated:** [13 November 2020 11:20 UTC](https://forum.ecmwf.int/t/cordex-data-from-the-climate-data-store-cds-has-been-extended-to-offer-new-features/882 "2020-11-13T11:20:32Z")

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We are pleased to inform you that in response to user demand, CORDEX data from the Climate Data Store (CDS) has been extended to offer the following new features: Additional geographical domains available: North Ameri…

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## [CORDEX regional climate model data on single levels for Europe downloads available again](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-on-single-levels-for-europe-downloads-available-again/1201)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [5 March 2020 09:05 UTC](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-on-single-levels-for-europe-downloads-available-again/1201 "2020-03-05T09:05:12Z")

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On 05-3-2020 we announced that due to a technical issue on the CORDEX, access to download CORDEX regional climate model data on single levels for Europe from the Climate Data Store was temporally disabled. Now the the d…

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## [CORDEX regional climate model data on single levels for Europe now reopened for downloads](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-on-single-levels-for-europe-now-reopened-for-downloads/884)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 1\
**Last updated:** [24 February 2020 09:45 UTC](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-on-single-levels-for-europe-now-reopened-for-downloads/884 "2020-02-24T09:45:15Z")

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On 24-02-2020 we announced that due to a technical issue on the CORDEX, access to download CORDEX regional climate model data on single levels for Europe from the Climate Data Store was temporally disabled. We received …

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## [CORDEX regional climate model data on single levels for Europe downloads available again!](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-on-single-levels-for-europe-downloads-available-again/995)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [28 January 2020 15:25 UTC](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-on-single-levels-for-europe-downloads-available-again/995 "2020-01-28T15:25:25Z")

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On January 28th, we announced that due to a technical issue on the CORDEX, access to download CORDEX regional climate model data on single levels for Europe from the Climate Data Store was temporally disabled. We are pl…

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## [CORDEX regional climate model data on single levels for Europe data downloads available again!](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-on-single-levels-for-europe-data-downloads-available-again/1200)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [17 January 2020 10:14 UTC](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-on-single-levels-for-europe-data-downloads-available-again/1200 "2020-01-17T10:14:06Z")

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On January 17th, we announced that due to a technical issue on the CORDEX data provider side, access to download CORDEX regional climate model data on single levels for Europe from the Climate Data Store was temporall…

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## [Clarifications about the projection of the grid of the MESCAN-SURFEX outputs](https://forum.ecmwf.int/t/clarifications-about-the-projection-of-the-grid-of-the-mescan-surfex-outputs/1342)

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**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\
**Replies:** 0\
**Last updated:** [4 November 2019 10:53 UTC](https://forum.ecmwf.int/t/clarifications-about-the-projection-of-the-grid-of-the-mescan-surfex-outputs/1342 "2019-11-04T10:53:58Z")

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1- Regarding geodetic datum and ellipsoid: the used ellipsoid is a sphere with radius 6371229 m. Using ArcGIS to open a MESCAN-SURFEX grib file, the datum information are: Datum: D\_unknown Spheroid: Sphere Semimajo…

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## [CORDEX regional climate model data for Europe has been released](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-for-europe-has-been-released/1123)

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**Author:** [@Edward\_Comyn-Platt](https://forum.ecmwf.int/u/Edward_Comyn-Platt)\
**Replies:** 0\
**Last updated:** [27 August 2019 08:48 UTC](https://forum.ecmwf.int/t/cordex-regional-climate-model-data-for-europe-has-been-released/1123 "2019-08-27T08:48:41Z")

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We are pleased to inform you that the Copernicus Climate Change Service (C3S) at ECMWF has made the CORDEX regional climate model data over Europe available through the Climate Data Store (CDS). This dataset provides d…
