# Workshops, competitions and events **URL:** https://forum.ecmwf.int/c/workshop-and-events/25.md?page=2 [Latest](https://forum.ecmwf.int/latest.md) · [Categories](https://forum.ecmwf.int/categories.md) · [Tags](https://forum.ecmwf.int/tags.md) **Page:** 3 --- ## [Successful submissions during the Testing Period](https://forum.ecmwf.int/t/successful-submissions-during-the-testing-period/13122)
**Author:** [@Olga\_Loegel](https://forum.ecmwf.int/u/Olga_Loegel)\ **Replies:** 0\ **Last updated:** [19 May 2025 08:21 UTC](https://forum.ecmwf.int/t/successful-submissions-during-the-testing-period/13122 "2025-05-19T08:21:46Z")
Thank you to all teams who have participated in the Testing Period! On this topic, we will update weekly the Excel file listing all successful submissions. Currently, the attached Excel file lists all successful submi… --- ## [Final submission of testing period complete](https://forum.ecmwf.int/t/final-submission-of-testing-period-complete/13998)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 0\ **Last updated:** [11 August 2025 10:39 UTC](https://forum.ecmwf.int/t/final-submission-of-testing-period-complete/13998 "2025-08-11T10:39:59Z")
:white\_check\_mark: We have now completed the final submission period within the testing period. :military\_medal: On Thursday the competition begins! In total, 25 teams submitted a forecast at some point of the testing… --- ## [Potential initialisation data](https://forum.ecmwf.int/t/potential-initialisation-data/13782)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 6\ **Last updated:** [11 August 2025 10:34 UTC](https://forum.ecmwf.int/t/potential-initialisation-data/13782 "2025-08-11T10:34:38Z")
Hi all, As we continue with the testing phase of the AI Weather Quest, we wanted to highlight ECMWF’s open data catalogue. Here you have access the most recent IFS and AIFS operational forecasts. Data is available for t… --- ## [Overwriting Previous Submission](https://forum.ecmwf.int/t/overwriting-previous-submission/13967)
**Author:** [@Asena\_Karolin\_Ozdemir](https://forum.ecmwf.int/u/Asena_Karolin_Ozdemir)\ **Replies:** 1\ **Last updated:** [7 August 2025 14:05 UTC](https://forum.ecmwf.int/t/overwriting-previous-submission/13967 "2025-08-07T14:05:19Z")
Hello Everyone! Quick question. If we submit for the same model, variable and lead time twice within a single submission window is the second submission going to overwrite the first one? Or is the first one locked in an… --- ## [Last week of the JJA testing period!](https://forum.ecmwf.int/t/last-week-of-the-jja-testing-period/13934)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 1\ **Last updated:** [7 August 2025 07:31 UTC](https://forum.ecmwf.int/t/last-week-of-the-jja-testing-period/13934 "2025-08-07T07:31:42Z")
We are now in the final week of the testing JJA period. 24 teams(:double\_exclamation\_mark:) have trialled submitting a forecast over the past twelve weeks ( Successful submissions during the Testing Period ). This Thur… --- ## [Suitable initialisation data](https://forum.ecmwf.int/t/suitable-initialisation-data/12015)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 7\ **Last updated:** [31 July 2025 00:27 UTC](https://forum.ecmwf.int/t/suitable-initialisation-data/12015 "2025-07-31T00:27:19Z")
A clarification has been posted on the website: Participants may use any data with a timestamp strictly prior or equal to Thursday 00 UTC to initialise their models, regardless of when the data becomes available . The f… --- ## [Checking for successful forecast submission](https://forum.ecmwf.int/t/checking-for-successful-forecast-submission/13862)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 9\ **Last updated:** [30 July 2025 08:39 UTC](https://forum.ecmwf.int/t/checking-for-successful-forecast-submission/13862 "2025-07-30T08:39:50Z")
Dear all, I have created a function that enables you to check whether your forecast has been successfully submitted. To use this function you must first upgrade the AI Weather Quest Python package: python3 -m pip insta… --- ## [Clarification on using daily climatological quintile boundaries for weekly forecasts](https://forum.ecmwf.int/t/clarification-on-using-daily-climatological-quintile-boundaries-for-weekly-forecasts/13829)
**Author:** [@yanyan\_tan](https://forum.ecmwf.int/u/yanyan_tan)\ **Replies:** 10\ **Last updated:** [29 July 2025 08:59 UTC](https://forum.ecmwf.int/t/clarification-on-using-daily-climatological-quintile-boundaries-for-weekly-forecasts/13829 "2025-07-29T08:59:46Z")
Dear ECMWF team, I am currently using the climatological quintile boundaries data available from the AI Weather Quest resources, and I would appreciate your guidance on two points regarding how to apply this data correc… --- ## [Forecast evaluation - masking of grid points where all quintile climatologies are equal to zero](https://forum.ecmwf.int/t/forecast-evaluation-masking-of-grid-points-where-all-quintile-climatologies-are-equal-to-zero/13897)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 0\ **Last updated:** [28 July 2025 14:22 UTC](https://forum.ecmwf.int/t/forecast-evaluation-masking-of-grid-points-where-all-quintile-climatologies-are-equal-to-zero/13897 "2025-07-28T14:22:05Z")
Hi all, To improve the evaluation of forecasts, I’ve made a small update to the way Ranked Probability Scores (RPS) are calculated for precipitation. Specifically, grid points where all quintile climatology values are … --- ## [Error in downloading retrieve\_evaluation\_data](https://forum.ecmwf.int/t/error-in-downloading-retrieve-evaluation-data/13841)
**Author:** [@Mengxuan\_Chen](https://forum.ecmwf.int/u/Mengxuan_Chen)\ **Replies:** 6\ **Last updated:** [21 July 2025 15:13 UTC](https://forum.ecmwf.int/t/error-in-downloading-retrieve-evaluation-data/13841 "2025-07-21T15:13:30Z")
Hi, I am using obs = retrieve\_evaluation\_data.retrieve\_weekly\_obs('20250519', variable, password) to download weekly observation data. The password is the given password in the registered email. however, I encountered f… --- ## [Question about RPSS Evaluation](https://forum.ecmwf.int/t/question-about-rpss-evaluation/13039)
**Author:** [@Peng\_Lu](https://forum.ecmwf.int/u/Peng_Lu)\ **Replies:** 7\ **Last updated:** [15 July 2025 18:16 UTC](https://forum.ecmwf.int/t/question-about-rpss-evaluation/13039 "2025-07-15T18:16:24Z")
Dear Josh When I simulate using the first-week forecast data initialized on 2025-03-06 to calculate the RPSS value, both the observation data and the climatology data are set to 2025-03-24. I test Probabilities predict… --- ## [Search for a teammate](https://forum.ecmwf.int/t/search-for-a-teammate/13685)
**Author:** [@Abhishek\_Maddineni](https://forum.ecmwf.int/u/Abhishek_Maddineni)\ **Replies:** 0\ **Last updated:** [1 July 2025 19:02 UTC](https://forum.ecmwf.int/t/search-for-a-teammate/13685 "2025-07-01T19:02:55Z")
Hello everyone, I am a data science graduate student. I am interested in competing in the AI Weather Quest. Anyone who is looking to collaborate can hit me up. I hope I’m not too late to look for teammates. --- ## [How will your results be Shared? Register for the 22nd July Pre-Competition Webinar!](https://forum.ecmwf.int/t/how-will-your-results-be-shared-register-for-the-22nd-july-pre-competition-webinar/13669)
**Author:** [@Olga\_Loegel](https://forum.ecmwf.int/u/Olga_Loegel)\ **Replies:** 0\ **Last updated:** [1 July 2025 07:39 UTC](https://forum.ecmwf.int/t/how-will-your-results-be-shared-register-for-the-22nd-july-pre-competition-webinar/13669 "2025-07-01T07:39:32Z")
Want to know how your team’s forecasts will be displayed and what the community will see? These short, interactive sessions will cover: :bar\_chart: The set up of public leaderboards and evolution graphs showing perform… --- ## [estimating probabilities using pre-calculated quantiles.](https://forum.ecmwf.int/t/estimating-probabilities-using-pre-calculated-quantiles/13605)
**Author:** [@Nachiketa\_Acharya](https://forum.ecmwf.int/u/Nachiketa_Acharya)\ **Replies:** 5\ **Last updated:** [30 June 2025 07:33 UTC](https://forum.ecmwf.int/t/estimating-probabilities-using-pre-calculated-quantiles/13605 "2025-06-30T07:33:01Z")
I wanted to estimate the probabilities for each quantiles using all the members of our model and pre-calculated quantiles in AI\_WQ\_package but need the guidance. Note that Climatological quintile boundaries are only avai… --- ## [Error found in forecast\_evaluation module](https://forum.ecmwf.int/t/error-found-in-forecast-evaluation-module/13077)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 0\ **Last updated:** [15 May 2025 09:15 UTC](https://forum.ecmwf.int/t/error-found-in-forecast-evaluation-module/13077 "2025-05-15T09:15:47Z")
Thanks @Peng\_Lu for discovering an error in the forecast\_evaluation module of the AI\_WQ\_package. Full details of the issue can be found in the thread titled Question about RPSS Evaluation. It get the latest calculation… --- ## [\[Participants gathering\] Take part in the 3-minute survey](https://forum.ecmwf.int/t/participants-gathering-take-part-in-the-3-minute-survey/13071)
**Author:** [@Olga\_Loegel](https://forum.ecmwf.int/u/Olga_Loegel)\ **Replies:** 0\ **Last updated:** [15 May 2025 07:49 UTC](https://forum.ecmwf.int/t/participants-gathering-take-part-in-the-3-minute-survey/13071 "2025-05-15T07:49:23Z")
Should we organise an in-person side gathering for participants to meet, exchange ideas, and connect with the organisers? Your reply will help us decide, let us know here! --- ## [Climatology quintiles timeout](https://forum.ecmwf.int/t/climatology-quintiles-timeout/13027)
**Author:** [@Peter\_Harrington](https://forum.ecmwf.int/u/Peter_Harrington)\ **Replies:** 7\ **Last updated:** [14 May 2025 13:47 UTC](https://forum.ecmwf.int/t/climatology-quintiles-timeout/13027 "2025-05-14T13:47:20Z")
I am trying to use the retrieve\_20yr\_quintile\_clim method from AI\_WQ\_package, but my script just hangs at that point and then times out with the following error: File "/usr/local/lib/python3.10/dist-packages/AI\_WQ\_pac… --- ## [The detail of Climatological quintile boundaries](https://forum.ecmwf.int/t/the-detail-of-climatological-quintile-boundaries/13025)
**Author:** [@Peng\_Lu](https://forum.ecmwf.int/u/Peng_Lu)\ **Replies:** 2\ **Last updated:** [14 May 2025 00:45 UTC](https://forum.ecmwf.int/t/the-detail-of-climatological-quintile-boundaries/13025 "2025-05-14T00:45:06Z")
We are very grateful to ECMWF for giving us this opportunity to participate in the competition, and we have a few small questions that we hope to get some clarification on. Regarding the explanation of “Climatological … --- ## [Version 2 of AI Weather Quest Python Package published](https://forum.ecmwf.int/t/version-2-of-ai-weather-quest-python-package-published/12972)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 0\ **Last updated:** [12 May 2025 07:19 UTC](https://forum.ecmwf.int/t/version-2-of-ai-weather-quest-python-package-published/12972 "2025-05-12T07:19:27Z")
Good morning, This week the testing period of the AI Weather Quest officially launches! I highly recommend all participants upgrade their version of the AI Weather Quest Python package. python3 -m pip install --upgrade… --- ## [Looking for team mates](https://forum.ecmwf.int/t/looking-for-team-mates/12904)
**Author:** [@warre\_verlinde](https://forum.ecmwf.int/u/warre_verlinde)\ **Replies:** 0\ **Last updated:** [7 May 2025 08:44 UTC](https://forum.ecmwf.int/t/looking-for-team-mates/12904 "2025-05-07T08:44:38Z")
Hi everyone, I’m a Data EngineerI’m currently looking to join a team where I can contribute my skills and grow. If your team is open to adding a new member, feel free to reach out—I’d be happy to discuss how I can supp… --- ## [Eighth C3S General Assembly 02 - 04 June 2025, Valencia, Spain](https://forum.ecmwf.int/t/eighth-c3s-general-assembly-02-04-june-2025-valencia-spain/11291)
**Author:** [@Anabelle](https://forum.ecmwf.int/u/Anabelle)\ **Replies:** 5\ **Last updated:** [16 April 2025 13:22 UTC](https://forum.ecmwf.int/t/eighth-c3s-general-assembly-02-04-june-2025-valencia-spain/11291 "2025-04-16T13:22:36Z")
ECMWF is holding its 8th General Assembly of the Copernicus Climate Change Service between 2-4 June in Valencia, Spain. The General Assembly will be an exciting moment to connect with your fellow C3S service providers a… --- ## [Capability of plotting forecast submissions](https://forum.ecmwf.int/t/capability-of-plotting-forecast-submissions/12503)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 0\ **Last updated:** [4 April 2025 08:57 UTC](https://forum.ecmwf.int/t/capability-of-plotting-forecast-submissions/12503 "2025-04-04T08:57:56Z")
We just added the capability to visualise forecast submissions in the AI WQ Python Package. Please upgrade the AI WQ Python Package (python3 -m pip install --upgrade AI-WQ-package) and follow the following instructions. … --- ## [1 August 2025 - Registration deadline](https://forum.ecmwf.int/t/1-august-2025-registration-deadline/12416)
**Author:** [@Olga\_Loegel](https://forum.ecmwf.int/u/Olga_Loegel)\ **Replies:** 0\ **Last updated:** [1 April 2025 10:20 UTC](https://forum.ecmwf.int/t/1-august-2025-registration-deadline/12416 "2025-04-01T10:20:07Z")
To take part in the first forecasting period of the AI Weather Quest (SON: September–November 2025), teams must register by 1 August 2025. Only teams registered by this deadline will be eligible for participation and co… --- ## [UEF2025: Registration and abstract submissions NOW OPEN!](https://forum.ecmwf.int/t/uef2025-registration-and-abstract-submissions-now-open/12008)
**Author:** [@Becky\_Hemingway](https://forum.ecmwf.int/u/Becky_Hemingway)\ **Replies:** 0\ **Last updated:** [21 March 2025 09:26 UTC](https://forum.ecmwf.int/t/uef2025-registration-and-abstract-submissions-now-open/12008 "2025-03-21T09:26:09Z")
Join us at Using ECMWF Forecasts (UEF2025) which will be held 15 - 18 September 2025 in Bologna, Italy! An exciting event aimed at ECMWF forecast users to exchange ideas, share experiences, and learn about and discuss t… --- ## [\[Evaluation System Update\] Use of ERA5 for evaluating precipitation forecasts](https://forum.ecmwf.int/t/evaluation-system-update-use-of-era5-for-evaluating-precipitation-forecasts/11767)
**Author:** [@Joshua\_Talib](https://forum.ecmwf.int/u/Joshua_Talib)\ **Replies:** 0\ **Last updated:** [8 March 2025 08:34 UTC](https://forum.ecmwf.int/t/evaluation-system-update-use-of-era5-for-evaluating-precipitation-forecasts/11767 "2025-03-08T08:34:15Z")
:exclamation: Effective immediately, all forecasts will be evaluated against initial ECMWF Reanalysis version 5 (ERA5) release data (ERA5T) :exclamation: This change is necessary due to restricted access to MSWEP data f… --- ## [Slides from the Climaax kick off for regions from 1st call](https://forum.ecmwf.int/t/slides-from-the-climaax-kick-off-for-regions-from-1st-call/11193)
**Author:** [@Martin\_Tuchyna](https://forum.ecmwf.int/u/Martin_Tuchyna)\ **Replies:** 2\ **Last updated:** [5 February 2025 20:38 UTC](https://forum.ecmwf.int/t/slides-from-the-climaax-kick-off-for-regions-from-1st-call/11193 "2025-02-05T20:38:56Z")
Dear all, any advice, where we could find the supporting slides and video recordings from the 3 Climaax kick off events with the regions from the 1st call?: CLIMAAX | What is expected from the Regions Friday 4/10/24… --- ## [Wekeo Hackathon 2024: Data-Driven solutions for Climate Change](https://forum.ecmwf.int/t/wekeo-hackathon-2024-data-driven-solutions-for-climate-change/7187)
**Author:** [@Michela](https://forum.ecmwf.int/u/Michela)\ **Replies:** 1\ **Last updated:** [27 December 2024 19:22 UTC](https://forum.ecmwf.int/t/wekeo-hackathon-2024-data-driven-solutions-for-climate-change/7187 "2024-12-27T19:22:22Z")
Event date: 12-14 December 2024 Location: Online Registration deadline: 01.12.2024 We are excited to let you know the above hackathon (Wekeo Hackathon 2024) event. It is a great opportunity to explore ways how weath… --- ## [Next Generation Challenges in Energy-Climate Modelling Workshop 2024 (online & Free)](https://forum.ecmwf.int/t/next-generation-challenges-in-energy-climate-modelling-workshop-2024-online-free/3456)
**Author:** [@Laurens\_Stoop](https://forum.ecmwf.int/u/Laurens_Stoop)\ **Replies:** 0\ **Last updated:** [25 July 2024 12:47 UTC](https://forum.ecmwf.int/t/next-generation-challenges-in-energy-climate-modelling-workshop-2024-online-free/3456 "2024-07-25T12:47:24Z")
Next Generation Challenges in Energy-Climate Modelling Workshop 2024 26th and 27th September 2024, 1400-1800 UTC (6-10am Denver, 1-5pm London, 2-6pm Berlin, 10pm-2am Sydney) Fully virtual/online; free to attend Websi… --- ## [CARRA User Workshop (last reminder) and Q&A page](https://forum.ecmwf.int/t/carra-user-workshop-last-reminder-and-q-a-page/828)
**Author:** [@Andras\_Horanyi](https://forum.ecmwf.int/u/Andras_Horanyi)\ **Replies:** 0\ **Last updated:** [19 September 2023 07:52 UTC](https://forum.ecmwf.int/t/carra-user-workshop-last-reminder-and-q-a-page/828 "2023-09-19T07:52:01Z")
It is the last reminder of the coming CARRA User Workshop (21 September), please check details at https://climate.copernicus.eu/copernicus-arctic-regional-reanalysis-carra-user-workshop. It is not late yet to register an… --- ## [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… [Previous page](https://forum.ecmwf.int/c/workshop-and-events/25.md?page=1) [Next page](https://forum.ecmwf.int/c/workshop-and-events/25.md?page=3)