GEM: Global Environmental Multiscale Model
August 18, 2026 ยท View on GitHub
The Global Environmental Multiscale Model (GEM) is an integrated forecasting and data assimilation system developed by the Atmospheric Numerical Prediction Research Section, Meteorological Research Division, of Environment and Climate Change Canada.
Branches
There are several branches in this repository: please make sure you use the proper branch and its corresponding README file, according to your needs:
- master branch: current stable version of GEM, presently 5.2, README-install.md
- 5.1 branch: previous stable version, README.md
- 5.2 branch: stable version, README.md
- 5.3 branch: current development version, README.md
- benchmark-5.3 branch: for benchmarks README.md