On Tuesday 7th December 2021, due to a system session to upgrade Confluence, there will be a short at-risk period from 12:00 UTC to 14:00 UTC during which the Copernicus Knowledge Base and the User Support Forum (both Confluence based) may be unavailable for some short periods of time.
To monitor progress of this particular WEB-SERVICES session, please check the ECMWF systems status page at https://www.ecmwf.int/en/service-status
We apologise for the inconvenience this disruption may cause.
ECMWF Support