# \#regional\_reanalysis **URL:** https://forum.ecmwf.int/tag/regional-reanalysis/23.md [Latest](https://forum.ecmwf.int/latest.md) · [Categories](https://forum.ecmwf.int/categories.md) · [Tags](https://forum.ecmwf.int/tags.md) --- ## [CARRA User Workshop - 10-11 June 2026 - Copenhagen, Denmark](https://forum.ecmwf.int/t/carra-user-workshop-10-11-june-2026-copenhagen-denmark/14803)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 1\ **Last updated:** [3 July 2026 10:42 UTC](https://forum.ecmwf.int/t/carra-user-workshop-10-11-june-2026-copenhagen-denmark/14803 "2026-07-03T10:42:08Z")
To the attention of C3S regional reanalysis users, Upcoming user workshop on the Copernicus pan-Arctic Regional Reanalysis (CARRA2) Event date: 10-11 June 2026 Location: Copenhagen (livestreaming will be also avail… --- ## [CERRA hybrid sigma levels](https://forum.ecmwf.int/t/cerra-hybrid-sigma-levels/1370)
**Author:** [@Edward\_Carroll](https://forum.ecmwf.int/u/Edward_Carroll)\ **Replies:** 4\ **Last updated:** [10 March 2026 13:55 UTC](https://forum.ecmwf.int/t/cerra-hybrid-sigma-levels/1370 "2026-03-10T13:55:35Z")
I'm accessing model level data and have found the list of A and B values along with level and half-level pressures in a standard atmosphere for each level number - using this information I can construct a converter to ge… --- ## [CERRA data from July 2024 to April 2025 now available on the CDS](https://forum.ecmwf.int/t/cerra-data-from-july-2024-to-april-2025-now-available-on-the-cds/14235)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [7 October 2025 16:18 UTC](https://forum.ecmwf.int/t/cerra-data-from-july-2024-to-april-2025-now-available-on-the-cds/14235 "2025-10-07T16:18:15Z")
We would like to inform you that CERRA data from July 2024 to April 2025 are now available from the following Climate Data Store (CDS) entries: CERRA sub-daily regional reanalysis data for Europe on single levels from … --- ## [New dataset published in CDS: Arctic regional reanalysis daily and monthly data from 1991 to present](https://forum.ecmwf.int/t/new-dataset-published-in-cds-arctic-regional-reanalysis-daily-and-monthly-data-from-1991-to-present/14206)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [2 October 2025 09:15 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-cds-arctic-regional-reanalysis-daily-and-monthly-data-from-1991-to-present/14206 "2025-10-02T09:15:00Z")
We are pleased to announce that a new dataset of the Copernicus Arctic Regional Reanalysis (CARRA) family has been published on 02 October 2025, in the Climate Data Store (CDS): Arctic regional reanalysis daily and mont… --- ## [CARRA East - grid change in 2023 and after](https://forum.ecmwf.int/t/carra-east-grid-change-in-2023-and-after/10133)
**Author:** [@jules\_boulard](https://forum.ecmwf.int/u/jules_boulard)\ **Replies:** 9\ **Last updated:** [19 February 2025 08:44 UTC](https://forum.ecmwf.int/t/carra-east-grid-change-in-2023-and-after/10133 "2025-02-19T08:44:19Z")
Hi, After getting errors while concatenating geographical subsets from CARRA-East domain, I noticed the grid has changed for gribfiles in 2023 and after, compared to 2022 and before. This seems to coincide with the … --- ## [Additional CERRA data for the period from July 2021 to July 2022 now available on the CDS](https://forum.ecmwf.int/t/additional-cerra-data-for-the-period-from-july-2021-to-july-2022-now-available-on-the-cds/10954)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [23 January 2025 10:27 UTC](https://forum.ecmwf.int/t/additional-cerra-data-for-the-period-from-july-2021-to-july-2022-now-available-on-the-cds/10954 "2025-01-23T10:27:37Z")
We would like to inform you that CERRA reanalysis data for the period from 1 July 2021 to 31 July 2022 are now available from all the CDS entries: CERRA sub-daily regional reanalysis data for Europe on single levels fr… --- ## [Downloading 3h total precipitation and 3h 10m wind gust since previous post-processing of CERRA](https://forum.ecmwf.int/t/downloading-3h-total-precipitation-and-3h-10m-wind-gust-since-previous-post-processing-of-cerra/3096)
**Author:** [@Coquart\_Laure](https://forum.ecmwf.int/u/Coquart_Laure)\ **Replies:** 1\ **Last updated:** [22 June 2024 19:12 UTC](https://forum.ecmwf.int/t/downloading-3h-total-precipitation-and-3h-10m-wind-gust-since-previous-post-processing-of-cerra/3096 "2024-06-22T19:12:36Z")
Hi, I am not familiar with forecast data. I read the documentation about Time resolution but I do not understand how I can get the 3h precipitation (or 10m wind gust) from the forecasts. Do I have to select all leadtim… --- ## [Subset a CARRA region](https://forum.ecmwf.int/t/subset-a-carra-region/1041)
**Author:** [@Halldor\_Bjornsson](https://forum.ecmwf.int/u/Halldor_Bjornsson)\ **Replies:** 2\ **Last updated:** [30 January 2024 17:30 UTC](https://forum.ecmwf.int/t/subset-a-carra-region/1041 "2024-01-30T17:30:46Z")
I am have used both the API and the toolbox to fetch data from CARRA. When I try to get a subsample of the data (a smaller area within the domain) I get an error. Is this something that cannot be done as part of the r… --- ## [WRF WPS CERRA Vtable and variables transformation](https://forum.ecmwf.int/t/wrf-wps-cerra-vtable-and-variables-transformation/1367)
**Author:** [@Jordi\_Barcons\_Roca](https://forum.ecmwf.int/u/Jordi_Barcons_Roca)\ **Replies:** 1\ **Last updated:** [21 December 2023 21:35 UTC](https://forum.ecmwf.int/t/wrf-wps-cerra-vtable-and-variables-transformation/1367 "2023-12-21T21:35:50Z")
Good morning, I'm wondering if there is foreseen to release any documentation or guidelines and Vtable to feed WRF with CERRA IC and BC. Thanks --- ## [Carra West Orography](https://forum.ecmwf.int/t/carra-west-orography/1178)
**Author:** [@Axel\_Schweiger](https://forum.ecmwf.int/u/Axel_Schweiger)\ **Replies:** 1\ **Last updated:** [1 December 2023 09:46 UTC](https://forum.ecmwf.int/t/carra-west-orography/1178 "2023-12-01T09:46:59Z")
Anyone know how I can download the static orography field for the CARRA West Domain. The field is greyed out in the CDS. Thanks --- ## [CARRA User Workshop - 21 September 2023 - registration is open](https://forum.ecmwf.int/t/carra-user-workshop-21-september-2023-registration-is-open/969)
**Author:** [@Andras\_Horanyi](https://forum.ecmwf.int/u/Andras_Horanyi)\ **Replies:** 0\ **Last updated:** [16 June 2023 15:07 UTC](https://forum.ecmwf.int/t/carra-user-workshop-21-september-2023-registration-is-open/969 "2023-06-16T15:07:13Z")
We are happy to inform you that we are organising an online CARRA User Workshop. This event will happen on the 21st of September 2023. More details can be found at https://climate.copernicus.eu/copernicus-arctic-regional… --- ## [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… --- ## [CARRA - start of Timely Update service](https://forum.ecmwf.int/t/carra-start-of-timely-update-service/1402)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [28 February 2023 10:14 UTC](https://forum.ecmwf.int/t/carra-start-of-timely-update-service/1402 "2023-02-28T10:14:28Z")
We are pleased to inform you that the Copernicus Climate Change Service (C3S) at ECMWF has today, Tuesday 28th February 2023, started the Timely Update service for the Copernicus Artic Regional Reanalysis (CARRA) dataset… --- ## [New datasets published in the CDS: CERRA sub-daily regional reanalysis data for Europe from 1984 to present](https://forum.ecmwf.int/t/new-datasets-published-in-the-cds-cerra-sub-daily-regional-reanalysis-data-for-europe-from-1984-to-present/1323)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 4\ **Last updated:** [6 December 2022 14:11 UTC](https://forum.ecmwf.int/t/new-datasets-published-in-the-cds-cerra-sub-daily-regional-reanalysis-data-for-europe-from-1984-to-present/1323 "2022-12-06T14:11:20Z")
We are pleased to announce that a new dataset have been published in the Climate Data Store (CDS): CERRA sub-daily regional reanalysis data for Europe on height levels from 1984 to present CERRA sub-daily regional re… --- ## [New dataset published in the CDS: CERRA-Land sub-daily regional reanalysis data for Europe from 1984 to present](https://forum.ecmwf.int/t/new-dataset-published-in-the-cds-cerra-land-sub-daily-regional-reanalysis-data-for-europe-from-1984-to-present/1297)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [15 November 2022 09:59 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-the-cds-cerra-land-sub-daily-regional-reanalysis-data-for-europe-from-1984-to-present/1297 "2022-11-15T09:59:07Z")
We are pleased to announce that a new dataset have been published today, 15th November 2022, in the Climate Data Store (CDS): CERRA-Land sub-daily regional reanalysis data for Europe from 1984 to present The Cope… --- ## [CARRA time coverage extended](https://forum.ecmwf.int/t/carra-time-coverage-extended/1106)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [23 November 2021 09:51 UTC](https://forum.ecmwf.int/t/carra-time-coverage-extended/1106 "2021-11-23T09:51:46Z")
We are pleased to inform you that the Copernicus Climate Change Service (C3S) at ECMWF has released the Copernicus Arctic Regional Reanalysis (CARRA) extension to the @WMO’s 30-year climate reference period (1991-2020). … --- ## [Data warning for Arctic Regional Reanalysis on single levels catalogue entry](https://forum.ecmwf.int/t/data-warning-for-arctic-regional-reanalysis-on-single-levels-catalogue-entry/1001)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [29 April 2021 08:49 UTC](https://forum.ecmwf.int/t/data-warning-for-arctic-regional-reanalysis-on-single-levels-catalogue-entry/1001 "2021-04-29T08:49:02Z")
The variable "surface roughness" at https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-carra-single-levels?tab=overview is incorrect and should not be used, Yours sincerely, CDS team --- ## [New dataset published in the CDS: Arctic regional reanalysis (CARRA) from 1998 to 2019](https://forum.ecmwf.int/t/new-dataset-published-in-the-cds-arctic-regional-reanalysis-carra-from-1998-to-2019/1302)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 0\ **Last updated:** [10 March 2021 08:55 UTC](https://forum.ecmwf.int/t/new-dataset-published-in-the-cds-arctic-regional-reanalysis-carra-from-1998-to-2019/1302 "2021-03-10T08:55:33Z")
We are pleased to announce that the Copernicus Arctic Regional Reanalysis (CARRA) data has been published in the Climate Data Store (CDS). CARRA is a very high resolution (2.5 km) reanalysis system for two domains of th… --- ## [A very nice 'Reanalysis' video has been published](https://forum.ecmwf.int/t/a-very-nice-reanalysis-video-has-been-published/1657)
**Author:** [@Xiaobo\_Yang](https://forum.ecmwf.int/u/Xiaobo_Yang)\ **Replies:** 0\ **Last updated:** [30 October 2019 09:36 UTC](https://forum.ecmwf.int/t/a-very-nice-reanalysis-video-has-been-published/1657 "2019-10-30T09:36:18Z")
Played at the 3rd C3S General Assembly in Warsaw, the 'Reanalysis' video gives a very good introduction about reanalysis (C3S ERA5, UERRA... and CAMS Reanalysis). See this page. --- ## [Where to find daily diabatic heating rates in C3S reanalysis data](https://forum.ecmwf.int/t/where-to-find-daily-diabatic-heating-rates-in-c3s-reanalysis-data/1589)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [24 October 2019 15:11 UTC](https://forum.ecmwf.int/t/where-to-find-daily-diabatic-heating-rates-in-c3s-reanalysis-data/1589 "2019-10-24T15:11:13Z")
In ERA-Interim: The net temperature tendency from the parametrised processes (accumulated from the beginning of the forecast) is available on model levels from the twice daily forecasts at forecast steps 3, 6, 9, 12 hou…