You may find that some data are restricted and you are not able to access it.

You can only access data that you have been given access rights to. Access is controlled through your user account. See access to ECMWF products and services.

If you try to access datasets that you have no access rights for, your request will fail. 

ECMWF members

National meteorological services (NMHS) of ECMWF Member and Co-operating States and their authorised users are granted full access to ECMWF products and services. Find out how to set up access for ECMWF members.

Other users

The products and services available to you depend on who you are and the type of licence/agreement you have with ECMWF.

Find out how to order ECMWF products and services.

Free data

Some ECMWF data are free and accessible to all. You get a better service if your register as an ECMWF user.