Welcome to the ICON Model documentation#

It’s the job that’s never started as takes longest to finish - J.R.R. Tolkien

The website docs.icon-model.org contains a collection of ICON documentation including references to documentation available at other places. We do not claim that this documentation is complete, but we hope you will still find it helpful.

Release Information

You can find the latest ICON release here. It is planned to publish at least two major ICON open source releases per year, in April and October. Here are some highlights of the upcoming ICON Release 2025.04:

  • Changes to AES and NWP Physics

  • Diagnostics for ICON Ocean

  • Further QUINCY development

  • Update of iconmath: version 1.1.1 for math-support and math-interpolation

  • Update of Comin (support additional datatypes; automatic halo synchronization; various refactoring).