# \#ecmwf-updates **URL:** https://forum.ecmwf.int/tag/ecmwf-updates/211.md [Latest](https://forum.ecmwf.int/latest.md) · [Categories](https://forum.ecmwf.int/categories.md) · [Tags](https://forum.ecmwf.int/tags.md) --- ## [Migration of ECMWF forecast data to GRIB2 format: Static sample dataset available in MARS archive](https://forum.ecmwf.int/t/migration-of-ecmwf-forecast-data-to-grib2-format-static-sample-dataset-available-in-mars-archive/15328)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 2\ **Last updated:** [24 September 2026 07:39 UTC](https://forum.ecmwf.int/t/migration-of-ecmwf-forecast-data-to-grib2-format-static-sample-dataset-available-in-mars-archive/15328 "2026-09-24T07:39:24Z")
We are happy to announce that the first test dataset in full GRIB2 format is now available in MARS archive. The dataset is provided so that you can start updating and testing your MARS retrieval requests and post-proces… --- ## [Schedule your publications in the PREd](https://forum.ecmwf.int/t/schedule-your-publications-in-the-pred/15204)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [30 July 2026 12:10 UTC](https://forum.ecmwf.int/t/schedule-your-publications-in-the-pred/15204 "2026-07-30T12:10:00Z")
It’s summer, and nobody wants to be melting in the office just to publish a data request. You can now schedule it instead. The Product Requirements Editor (PREd) has a new Schedule publication feature. When you use the … --- ## [Meet us at EMS 2026 in Utrecht](https://forum.ecmwf.int/t/meet-us-at-ems-2026-in-utrecht/15206)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [30 July 2026 12:10 UTC](https://forum.ecmwf.int/t/meet-us-at-ems-2026-in-utrecht/15206 "2026-07-30T12:10:00Z")
Several ECMWF colleagues will be at the EMS Annual Meeting 2026, and this year that includes someone from Data Support, so if you have ever wanted to put a face to the ticket queue, here is your chance. What: EMS Annua… --- ## [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… --- ## [Upcoming migration to GRIB2 data format](https://forum.ecmwf.int/t/upcoming-migration-to-grib2-data-format/15034)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [30 July 2026 12:09 UTC](https://forum.ecmwf.int/t/upcoming-migration-to-grib2-data-format/15034 "2026-07-30T12:09:42Z")
Following the previous announcement, to give users an update on the progress and timeline for the migration to GRIB2 data format, ECMWF organised a session at the Using ECMWF’s Forecasts Event (UEF2026) next week on Thur… --- ## [End of LEGACY filenaming](https://forum.ecmwf.int/t/end-of-legacy-filenaming/15030)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [30 July 2026 09:47 UTC](https://forum.ecmwf.int/t/end-of-legacy-filenaming/15030 "2026-07-30T09:47:49Z")
With the implementation of IFS Cycle 50r2 (currently scheduled for Q1 2027), use of the LEGACY filenaming convention for IFS real-time products delivery via the ECMWF Production Data Store (ECPDS) will be discontinued. … --- ## [ECMWF launches earthkit 1.0 for next-generation weather and climate workflows](https://forum.ecmwf.int/t/ecmwf-launches-earthkit-1-0-for-next-generation-weather-and-climate-workflows/15158)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [21 July 2026 10:00 UTC](https://forum.ecmwf.int/t/ecmwf-launches-earthkit-1-0-for-next-generation-weather-and-climate-workflows/15158 "2026-07-21T10:00:07Z")
We are pleased to announce the release of earthkit 1.0, a major milestone for ECMWF’s open-source Python ecosystem for weather, climate, and Earth system data workflows. The release provides users with a stable and inter… --- ## [Disruption to ECMWF services due to power outage](https://forum.ecmwf.int/t/disruption-to-ecmwf-services-due-to-power-outage/15120)
**Author:** [@Kevin\_Marsh](https://forum.ecmwf.int/u/Kevin_Marsh)\ **Replies:** 0\ **Last updated:** [29 June 2026 09:57 UTC](https://forum.ecmwf.int/t/disruption-to-ecmwf-services-due-to-power-outage/15120 "2026-06-29T09:57:32Z")
Yesterday (28/06/2026) there was a power outage at our Bologna site which has affected a number of ECMWF services, including Dissemination, MARS (WebAPI) and the Data Stores. As of 29/06/2026, the majority of services h… --- ## [Open Data download options](https://forum.ecmwf.int/t/open-data-download-options/15029)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [29 May 2026 11:00 UTC](https://forum.ecmwf.int/t/open-data-download-options/15029 "2026-05-29T11:00:38Z")
With the implementation of IFS Cycle 50r1 and AIFS v2, there was a significant increase in requests for Open and Free Data from ECMWF. While usage quickly returned to normal, we remind users that those data are also avai… --- ## [Pre-schedule delivery updates after IFS Cycle 50r1 implementation](https://forum.ecmwf.int/t/pre-schedule-delivery-updates-after-ifs-cycle-50r1-implementation/15028)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [29 May 2026 11:00 UTC](https://forum.ecmwf.int/t/pre-schedule-delivery-updates-after-ifs-cycle-50r1-implementation/15028 "2026-05-29T11:00:38Z")
During the implementation of the models’ upgrade, we updated the production chain to incorporate new parameters and observations. This has increased the overall model run time and the subsequent processing required to ge… --- ## [Upcoming changes to ECMWF interfaces](https://forum.ecmwf.int/t/upcoming-changes-to-ecmwf-interfaces/15027)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [28 May 2026 15:19 UTC](https://forum.ecmwf.int/t/upcoming-changes-to-ecmwf-interfaces/15027 "2026-05-28T15:19:48Z")
ECMWF has implemented an updated ECPDS user interface. Many of you will have seen this during the past few weeks as an optional test interface. ECMWF Support is working on updating all documentation and support informati… --- ## [UEF 2026: Extreme Temperature Theme](https://forum.ecmwf.int/t/uef-2026-extreme-temperature-theme/14819)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [27 May 2026 15:09 UTC](https://forum.ecmwf.int/t/uef-2026-extreme-temperature-theme/14819 "2026-05-27T15:09:34Z")
We would love to see more of our users at this year’s Using ECMWF’s Forecasts (UEF) workshop — and there’s still time to get involved! UEF2026 takes place in person at ECMWF’s Reading site from 1–4 June 2026. The event … --- ## [IFS Cycle 50r1 and AIFS v2 - Implementation planned for 12 May 2026](https://forum.ecmwf.int/t/ifs-cycle-50r1-and-aifs-v2-implementation-planned-for-12-may-2026/14781)
**Author:** [@Milana\_Vuckovic](https://forum.ecmwf.int/u/Milana_Vuckovic)\ **Replies:** 22\ **Last updated:** [22 May 2026 15:32 UTC](https://forum.ecmwf.int/t/ifs-cycle-50r1-and-aifs-v2-implementation-planned-for-12-may-2026/14781 "2026-05-22T15:32:21Z")
We are pleased to confirm that good progress is being made towards the joint operational implementation of IFS Cycle 50r1, AIFS Single v2 and AIFS ENS v2, and the implementation is planned for 12 May 2026. The date will … --- ## [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… --- ## [Freeze period over Easter and before joint models implementation affecting Product Requirements Editor (PREd)](https://forum.ecmwf.int/t/freeze-period-over-easter-and-before-joint-models-implementation-affecting-product-requirements-editor-pred/14838)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [1 April 2026 12:26 UTC](https://forum.ecmwf.int/t/freeze-period-over-easter-and-before-joint-models-implementation-affecting-product-requirements-editor-pred/14838 "2026-04-01T12:26:26Z")
Dear user, Please be aware of two upcoming freeze periods affecting access to the Product Requirements Editor (PREd): Easter freeze period Operational PREd will be disabled from 1 April 2026 at 17:00 UTC and is schedu… --- ## [PREd and TPREd snippets expanded to include all real-time data catalogue products](https://forum.ecmwf.int/t/pred-and-tpred-snippets-expanded-to-include-all-real-time-data-catalogue-products/14820)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [26 March 2026 11:41 UTC](https://forum.ecmwf.int/t/pred-and-tpred-snippets-expanded-to-include-all-real-time-data-catalogue-products/14820 "2026-03-26T11:41:33Z")
For those with access to the Product Requirements Editor (PREd) or the test PREd, snippets have been updated to include all products from the real-time data catalogue, making it easier to build new data requirements usin… --- ## [Code for Earth - Don't miss the Call for Participation!](https://forum.ecmwf.int/t/code-for-earth-dont-miss-the-call-for-participation/14821)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [26 March 2026 11:41 UTC](https://forum.ecmwf.int/t/code-for-earth-dont-miss-the-call-for-participation/14821 "2026-03-26T11:41:33Z")
Are you passionate about data, software development, or interested in machine learning? Then don’t miss Code for Earth, an exciting innovation activity led by the European Centre for Medium-Range Weather Forecasts (ECMW… --- ## [IFS Cycle 50r1 enters the Release Candidate Phase](https://forum.ecmwf.int/t/ifs-cycle-50r1-enters-the-release-candidate-phase/14736)
**Author:** [@Milana\_Vuckovic](https://forum.ecmwf.int/u/Milana_Vuckovic)\ **Replies:** 0\ **Last updated:** [20 February 2026 14:17 UTC](https://forum.ecmwf.int/t/ifs-cycle-50r1-enters-the-release-candidate-phase/14736 "2026-02-20T14:17:34Z")
We are pleased to confirm that good progress is being made with the forthcoming implementation of IFS Cycle 50r1 in operations, and it has now entered the Release Candidate test phase (RCP). Forecast production using th… --- ## [Upcoming IFS and AIFS changes with user impacts](https://forum.ecmwf.int/t/upcoming-ifs-and-aifs-changes-with-user-impacts/14637)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 2\ **Last updated:** [12 February 2026 19:43 UTC](https://forum.ecmwf.int/t/upcoming-ifs-and-aifs-changes-with-user-impacts/14637 "2026-02-12T19:43:41Z")
2026 will be a big year for ECMWF, with two IFS model cycle upgrades (50r1 and 50r2) and the update of both AIFS Single and AIFS Ensemble. The test data for IFS Cycle 50r1 is expected to be released very soon, and we en… --- ## [SEAS5: Extended installation and delivery options](https://forum.ecmwf.int/t/seas5-extended-installation-and-delivery-options/14635)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [23 January 2026 14:00 UTC](https://forum.ecmwf.int/t/seas5-extended-installation-and-delivery-options/14635 "2026-01-23T14:00:11Z")
We are please to announce that the seasonal range forecast products from the SEAS5 system will be extended to 13 months once per quarter, with next production in February. Please note that the extension data (months 8-1… --- ## [ECMWF at AMS 2026](https://forum.ecmwf.int/t/ecmwf-at-ams-2026/14636)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [23 January 2026 14:00 UTC](https://forum.ecmwf.int/t/ecmwf-at-ams-2026/14636 "2026-01-23T14:00:11Z")
ECMWF colleagues, Emma Pidduck, Cihan Sahin, Jakob Schloer and Baudouin Raoult, will be attending AMS 2026 in person in Houston, Texas from 23-29 January 2026. Together we can cover topics including ECMWF products and s… --- ## [Earlier Subseasonal Forecast Delivery in Dissemination](https://forum.ecmwf.int/t/earlier-subseasonal-forecast-delivery-in-dissemination/14481)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [5 December 2025 09:25 UTC](https://forum.ecmwf.int/t/earlier-subseasonal-forecast-delivery-in-dissemination/14481 "2025-12-05T09:25:18Z")
We would like to inform users that we are working towards releasing the subseasonal forecast slightly earlier in the day. A new pre-schedule system is under preparation for those who are eligible for pre-schedule delive… --- ## [Attribution Reminder under CC-BY-4 for ECMWF Products from the Real-time Catalogue](https://forum.ecmwf.int/t/attribution-reminder-under-cc-by-4-for-ecmwf-products-from-the-real-time-catalogue/14480)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [5 December 2025 09:25 UTC](https://forum.ecmwf.int/t/attribution-reminder-under-cc-by-4-for-ecmwf-products-from-the-real-time-catalogue/14480 "2025-12-05T09:25:17Z")
We would like to inform users that all ECMWF Products from the Real-time Catalogue now fall under the CC-BY-4 licence. A clear attribution is legally required when using or sharing the data, whether accessed from our fr… --- ## [IFS Cycle 50r1 Release Candidate Phase](https://forum.ecmwf.int/t/ifs-cycle-50r1-release-candidate-phase/14475)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [5 December 2025 09:25 UTC](https://forum.ecmwf.int/t/ifs-cycle-50r1-release-candidate-phase/14475 "2025-12-05T09:25:16Z")
The introduction of the Release Candidate Phase (RCP) for IFS Cycle 50r1 is planned for January 2026. From January 2026, Cycle 50r1 forecast production will run in parallel with the operational system, giving users time… --- ## [Final Invoice Date for 2025](https://forum.ecmwf.int/t/final-invoice-date-for-2025/14479)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [5 December 2025 09:25 UTC](https://forum.ecmwf.int/t/final-invoice-date-for-2025/14479 "2025-12-05T09:25:16Z")
We would like to inform users that the final date for issuing invoices in 2025 will be: 11 December 2025. If users require an invoice in the coming weeks, please raise a ticket in the ECMWF Support Portal by 10 December… --- ## [Seasonal Forecast - SEAS Model Extension](https://forum.ecmwf.int/t/seasonal-forecast-seas-model-extension/14477)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [5 December 2025 09:25 UTC](https://forum.ecmwf.int/t/seasonal-forecast-seas-model-extension/14477 "2025-12-05T09:25:16Z")
We are pleased to announce that ECMWF will soon extend the dissemination of the Seasonal Forecast system (SEAS5) to include 13 months of forecast data once per quarter (February, May, August and November). The first deli… --- ## [Support Availability & Product Requirements Editor (PREd) Year-End Freeze (2025/2026)](https://forum.ecmwf.int/t/support-availability-product-requirements-editor-pred-year-end-freeze-2025-2026/14476)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [5 December 2025 09:25 UTC](https://forum.ecmwf.int/t/support-availability-product-requirements-editor-pred-year-end-freeze-2025-2026/14476 "2025-12-05T09:25:16Z")
As per previous years, we would like to inform users that the Product Requirements Editor (PREd) will enter a read-only mode from 18 December 2025 to 5 January 2026. ECPDS will remain accessible to those with existing a… --- ## [Open Data Transition - Early Success](https://forum.ecmwf.int/t/open-data-transition-early-success/14478)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [5 December 2025 09:25 UTC](https://forum.ecmwf.int/t/open-data-transition-early-success/14478 "2025-12-05T09:25:16Z")
Following the removal of the Information Cost on 1 October 2025, the transition to Open Data continues to progress well. Users report smoother ordering workflows, and ECMWF has observed increased adoption of the IFS and… --- ## [Open Data Transition on 01 October 2025](https://forum.ecmwf.int/t/open-data-transition-on-01-october-2025/14121)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [6 October 2025 12:27 UTC](https://forum.ecmwf.int/t/open-data-transition-on-01-october-2025/14121 "2025-10-06T12:27:41Z")
We’re now 1 month away from the big moment! So what happens on 01 October 2025? From 00:00 on 01 October 2025, the current restrictions around redistribution will be abolished for all Products in the ECMWF Real-time Ca… --- ## [ECMWF at EMS 2025](https://forum.ecmwf.int/t/ecmwf-at-ems-2025/14118)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 0\ **Last updated:** [27 August 2025 16:23 UTC](https://forum.ecmwf.int/t/ecmwf-at-ems-2025/14118 "2025-08-27T16:23:04Z")
Many ECMWF colleagues will be attending European Meteorological Society (EMS) 2025 in Ljubljana, Slovenia, and we’d like to offer the opportunity for users to meet our team. For those attending, please feel free to rais… [Next page](https://forum.ecmwf.int/tag/ecmwf-updates/211.md?match_all_tags=true&page=1&tags%5B%5D=ecmwf-updates)