European Weather Cloud Knowledge Base

ewc-background.jpg Dear EWC user, This is a reminder to join us for the European Weather Cloud (EWC) User Workshop 2026, hybrid again and this time at EUMETSAT in Darmstadt on 22 September 2026. This full-day event, co-organised by EUMETSAT and ECMWF, will provide an opportunity to explore the latest developments, share experiences, and shape the future of the EWC. Although this workshop is primarily designed as an in‑person event,…

Kal_Framework.png Dear all,   We are pleased to announce that a new use case has been published on the EWC website:   KAL (Kernel Atmospheric Learner): A Hybrid MSG SEVIRI and Machine Learning Framework for Quantitative Precipitation Estimation in Radar-Absent Regions https://europeanweather.cloud/use-cases/kal-kernel-atmospheric-learner-hybrid-msg-seviri-and-machine-learning-framework We will share more updates in the future. In the meantime,…

Dear EWC user, Following buckets are accessible from the new endpoint:  era5.ecmwf.analyses-eo-subset.grib mviri.meteosat-0-degree.level-15.native cmsaf-cloud-type.meteosat-0-degree.level-2.netcdf-4 Users currently accessing the mentioned buckets should update their configuration to use the new S3 endpoint: https://s3.r1.cloud.eumetsat.int https://s3.r1.cloud.eumetsat.int/ The previous endpoint will be disabled by 24/07/2026. No service interruption is expected,…

As part of essential infrastructure maintenance, all hypervisors underpinning the CCI/EWC platform will require a reboot. This session will take place on Monday 20 July 2026 from 8:00 to 11:00 UTC. During this maintenance window: All user virtual machines will be rebooted and will be unreachable for the duration of the maintenance. The Nova API will be unavailable. Users should expect any running workloads, sessions, or processes on their VMs to be interrupted.…

Dear all, We would like to inform you about an upcoming scheduled maintenance window on the EUMETSAT side of the EWC on the legacy/old infrastructure. The maintenance will take place on 9 July 2026, from 07:00 to 12:00 UTC. This intervention is required to perform network‑related maintenance on the legacy/old infrastructure. No service interruption is expected, and all existing virtual machines and services should continue to operate normally throughout the maintenance window.…