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Creating LBCS using MPAS global simulation output

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I am wondering if there is a simple way of creating LBCS using MPAS global simulation output, e.g., from Or we have to use WPS to create ungrib intermediate file? If the latter is the only option, is there a tutorial/description for generating intermediate file from MPAS output using WPS?

We do have some experimental code for interpolating LBCs for a regional MPAS simulation from global MPAS output. However, we don't have any tools for interpolating ICs for regional MPAS simulations from global MPAS output, as this requires a bit more work to handle masked land-surface fields. I'll try to clean up and document the LBC interpolation code soon, and once I've done that, I'll make it available on GitHub and follow-up here. Thanks for your interest in this!