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Introduction to ESMValTool: a tool for evaluation of climate model data - Webinar and Workshop

Jun 13, 2022 from 10:00 AM to 11:30 AM (Europe/Vienna / UTC200)
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  • Webinar: June 13th 10:00-11:30 CEST
  • Workshop: June 27th afternoon 13:00-17:00 CEST


The Earth System Model Evaluation Tool (ESMValTool; is a tool developed for evaluation of Earth System Models in CMIP (Climate Model Intercomparison Projects). It allows for routine comparison of single or multiple models, either against predecessor versions or against observations. 

It was developed especially to support climate model researchers, however, results from ESMValTool may also be useful for a broader range of users, especially those working on climate impacts and climate adaptation. E.g. results of already performed evaluations could be helpful to check which climate models have a relatively large change in climate and which not, or to determine which climate models have a relatively small bias for the climate variables of interest, in the relevant region of interest. 



In order to make the ESMValTool results known to a broader public, a webinar is organized on the 13th of June 2022 from 10:00-11:30 AM. During this webinar Klaus Zimmermann from SMHI will give an introduction to the ESMValTool: history of the tool, how it works, where results of the evaluations can be found, and how the results could be used, also by a wider range of users. This introduction will be followed by a session dedicated to questions. 

The deadline for registration is 12th June 24:00 CEST.


Online workshop

For those interested to learn how to do evaluations themselves, an online workshop will be organized in the afternoon of the 27th of June from 13:00-17:00 CEST. If you do not join the webinar, you can stillregister for this workshop. Remi Kazeroni (DLR), Manuel Schlund (DLR), Valeriu Predoi (UREAD-NCAS) and Klaus Zimmerman (SMHI) will give support on installing and running ESMValTool. In this workshop, we will guide you through the official ESMValTool Tutorial, which consists of a mix of lessons and exercises. You will get temporary accounts to access Levante, an HPC supercomputer at DKRZ, Hamburg, Germany. The ESMValTool is installed for these accounts and all necessary data sets are available. We will use Jupyterhub and Jupyterlab to conveniently access Levante through your browser. No additional preparation is necessary; just make sure that your browser supports Jupyterlab.

The deadline for registration for the workshop is the 15th of June 24:00 CEST. A maximum number of 25 participants can participate.

Requirements for the workshop: personal computer/laptop with an up-to-date browser (Firefox, Chrome, or Safari).


The webinar and workshop are separate activities for which you have to register separately:

Register here for the webinar on June 13th (before 12.06.2021)

Register here for the online workshop on June 27th (before 15.06.2022)


EGU Session

There will also be a short course on how to use ESMValTool within a Jupyter notebook on May 25th at EGU2022, which can be found at session SC5.14.






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