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OpenIFS is licensed software and using the model requires your affiliation with an institute which has signed the ECMWF OpenIFS software licence agreement.

In order to access the model sources and other required data packages, you need to have a peronsal personal ECMWF account which you can create on the ECMWF web site or by clicking here.

If you are a new model user then you should in the first instance contact OpenIFS support , (by emailing openifs-support@ecmwf.int, ) requesting access to OpenIFS by stating providing the following information: your full name, your affiliation and related institutional email address, and your ECMWF account user name. OpenIFS staff will then then activate OpenIFS user policies for your personal ECMWF account. We may In some cases we may need to request additional verification of your affiliation with your licensed institute prior to giving you access. 

Extract the OpenIFS package

Create your local installation of OpenIFS 48R1.1 by downloading and extracting the tarball containing the model source package.

The tarball can be downloaded from this web site: https://sites.ecmwf.int/openifs/openifs-data/src/48r1/openifs-48r1.tar.gz. Please note that access to this web site is restricted to registered OpenIFS users with valid ECMWF login credentials, i.e. your personal ECMWF account must have been added to the OpenIFS user policy.

In the example below we assume that the OpenIFS model shall be installed in the user's HOME directory, and that the wget utility is available for convenient download: 

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