MPAS Version 2.1
The bugfix release addresses two issues in MPAS-Atmosphere:
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The double-precision RRTMG long-wave table, RRTMG_LW_DATA.DBL, was inconsistent with the version of the RRTMG code that was included in MPAS-Atmosphere. The RRTMG_LW_DATA.DBL has been updated in the MPAS-Data repository, and the source code includes changes in the data checkout script to download the latest version of all WRF physics tables from this repository.
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In two places in the MPAS-Atmosphere solver, the upwinding coefficient for the 3rd-order advection scheme, config_coef_3rd_order, was incorrectly declared as an integer rather than a real. The bug affects the diagnosis of the covariant vertical velocity omega, resulting in the use of a fourth-order diagnosis as opposed to the third-order diagnosis consistent with the horizontal transport.