CESM Models

The Community Earth System Model (CESM) is a fully-coupled, global climate model that provides state-of-the-art computer simulations of the Earth's past, present, and future climate states.

CESM2 is the most current release and contains support for CMIP6 experiment configurations.

CESM Distance Learning Course

Free lectures & practical sessions on simulating the climate system and running the Community Earth System Model on your desktop

Based on the CESM Tutorial held annually at NCAR in Boulder, Colorado. This course consists of 12 lectures and 4 practical sessions on simulating the climate system and practical sessions on running CESM, modifying components, and analyzing data.

CESM Model Version Naming Conventions

CESM X.Y.Z - CESM model release versions include three numbers separated by a dot (.) where:

  • X - corresponds to the major release number indicating significant science changes.
  • Y - corresponds to the addition of new infrastructure and new science capabilities for targeted components.
  • Z - corresponds to release bug fixes and machine updates.