Procedure for new users

(!) If you are only interested in snowtools, the set of tools for pre- and post-processing of Crocus simulations, please visit the new repository
This page is only intended to users interested in SURFEX/Crocus modelling.

Users interested by snow modeling with SURFEX/Crocus model must register on this website (top right of the window).
Please always fill in the "comments" field asking for an access to SURFEX project. If you have never been in contact with the Crocus team before your request, please explain briefly your interest in this model.

Once you have received a confirmation of your account creation, you will have to send a public ssh key to operator at meteo dot fr. This ssh key have to be created with :

ssh-keygen -t rsa

Let the default key name (id_rsa), and it is easier to not provide any passphrase. The public key is available under ~/.ssh/

Then, you will be able to install the codes following the procedures given on the snowtools repository :

For users which need scientific advices about the relevance of using Crocus for their application, please contact crocus at

For users which meet technical difficulties during the installation or the execution of the codes, we only provide support through the dedicated interface on :
We will try to answer as soon as possible although we can not guarantee a fixed response time.

Note that the access to tickets is limited to known users of the SURFEX-Crocus or snowtools. If you do not already have an access, please ask for access by email to crocus at meteo dot fr.

Developers are advised to turn on notifications by watching the repository in order to get informed of updates on tickets. You can also change preferences on notifications in your account settings (