The OpenIFS model is available as tarfiles from an ECMWF download site along with example initial experiment data and additional software.

In order to access the download site prospective model users need to:

  (1) be affiliated with an institution that has signed the OpenIFS licence agreement,
  (2) have created their own personal ECMWF web user account,
  (3) and contact OpenIFS support to have their account added to the OpenIFS user group. 

Note:  Access to the download site is only granted after the personal ECMWF web user account was activated for added to the OpenIFS user group.