User Documentation

ECMWF will update the default versions of its software packages and libraries used across on Atos HPCF, ECS and AG as part of the regular update cycle. The changes will take place on Wednesday 18 November 2026 10:00 UTC We strongly recommend you test that your programs, scripts and suites work with the new versions of any software or library affected before the change happens. Table of contents Highlights Software stack ready for GRIB2 migration With the upcoming Migration to GRIB2,…

2026-10-21 Maintenance of SCRATCH and HPCPERM and responsible use

ECMWF updated the default versions of its software packages and libraries used on Atos HPCF, AG and ECS as part of the regular update cycle. The changes took place on Wednesday 17 June 2025 09:00 UTC We strongly recommend you test that your programs, scripts and suites work with the new versions of any software or library affected before the change happens. Table of contents Highlights Python 3.13 becomes default, with Earthkit 1.0 For our Python users,…

As part of our commitment to maintaining up-to-date and secure access to ECMWF's computing services, we are pleased to announce the launch of a new Teleport jump host: jump-18.ecmwf.int http://jump-18.ecmwf.int. This new jump host runs Teleport version 18 and will run in parallel to the existing jump-17.ecmwf.int http://jump-17.ecmwf.int until February 2026, after which jump-17.ecmwf.int http://jump-17.ecmwf.int will be decommissioned.…

ECMWF updated the default versions of its software packages and libraries used across on Atos HPCF and ECS as part of the regular update cycle. The changes took place on Wednesday 19 November 2025 10:00 UTC We strongly recommend you test that your programs, scripts and suites work with the new versions of any software or library affected before the change happens.…