mosaic provides the functionality to visualize unstructured MPAS
mesh data on it's native grid within matplotlib. Currently MPAS meshes are the
only unstructured meshes used in E3SM that mosaic supports, but future work
will add support for others.
The latest mosaic documentation can be found here:
If you have any trouble with mosaic, especially problems plotting your MPAS
mesh of choice, please reach out via GitHub discussions
under the "Q&A" category.