European Weather Cloud Knowledge Base

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.…

We are pleased to announce the availability of new updated images at both ECMWF and EUMETSAT for: Rocky Linux 8.10 Rocky Linux 9.7 (replacing 9.6) Ubuntu 22.04 LTS Ubuntu 24.04 LTS image-2026-7-2_16-39-50.png GPU images have also been updated, on both ECMWF and EUMETSAT sides. You can already deploy the new images from Morpheus using the usual instance types, or in Openstack using the new image names.  The details on these images are on this page: EWC Virtual Images Available https://confluence.…

image-2026-6-29_15-21-10.png Dear European Weather Cloud user, The European Weather Cloud (EWC) teams at ECMWF and EUMETSAT are pleased to welcome you to the new EWC Identity and Access Management System (IAM) https://confluence.ecmwf.int/x/Z4kzGg. This is an important step toward a unified and seamless experience across te EWC, as it will be used for authentication and access to all the available EWC services https://confluence.ecmwf.int/display/EWCLOUDKB/EWC+Services+Login.…

Dear EWC user, Following buckets are accessible from the new endpoint:  seviri-meteosat-41-5-degree.fcdr.level15.netcdf seviri-meteosat-45-5-degree.fcdr.level15.netcdf 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 03/07/2026. No service interruption is expected,…