TEMPO Microphysics for NCAR MPAS#1393
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AndersJensen-NOAA wants to merge 16 commits intoMPAS-Dev:masterfrom
Open
TEMPO Microphysics for NCAR MPAS#1393AndersJensen-NOAA wants to merge 16 commits intoMPAS-Dev:masterfrom
AndersJensen-NOAA wants to merge 16 commits intoMPAS-Dev:masterfrom
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- adds TEMPO registry - adds include flags and module use statements to connect tempo to microphysics driver
- adds substepping to tempo microphysics when dt > 90s - adds tempo and aerosolaware options to interface
- adds initialization routines for tempo with aerosolaware option
weiwangncar
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Feb 12, 2026
TYPE: new feature KEYWORDS: Microphysics, Operational models SOURCE: Anders Jensen NOAA/GSL DESCRIPTION OF CHANGES: Problem: Microphysics development of a Thompson-Eidhammer based scheme for operational applications has advanced to a submodule, TEMPO. This new development should be made available to WRF users. Solution: Connect TEMPO to WRF. A cleaned and refactored version of TEMPO is being tested in the UFS community's MPAS. Additionally, a PR, MPAS-Dev/MPAS-Model#1393, to add TEMPO to NCAR's MPAS is in progress. This current PR will allow the community to use this same microphysics across the UFS, MPAS, and WRF. LIST OF MODIFIED FILES: M .gitmodules M main/depends.common M Makefile M clean M phys/Makefile M phys/module_physics_init.F M phys/module_microphysics_driver.F M Registry.EM_COMMON M dyn_em/module_initialize_real.F TESTS CONDUCTED: 1. compiled and ran em_quarter_ss 2. restart test with em_quarter_ss 3. bit-for-bit with different number of processes using em_quarter_ss. 4. Passed regression tests. RELEASE NOTE: TEMPO is the Thompson-Eidhammer Microphysics Parameterization for Operations. TEMPO lives here: https://github.com/NCAR/TEMPO and technical documentation lives here: https://ncar.github.io/TEMPO/. TEMPO specific release notes are here: https://github.com/NCAR/TEMPO/releases/tag/tempo_v3.0.0 TEMPO version 3.0.0 is the current release version. TEMPO is being tested in the ufs-community fork of MPAS for next-generation convection-allowing forecast systems (https://github.com/ufs-community/MPAS-Model). Thus, TEMPO is being continually evaluated for improvement. Additionally, there is a PR in progress to connect TEMPO (v3.0.0) to NCAR's MPAS (MPAS-Dev/MPAS-Model#1393). The version of TEMPO currently in the CCPP (https://github.com/ufs-community/ccpp-physics) will be updated to v3.0.0 soonish. TEMPO is connected to WRF, MPAS, and CCPP as a submodule, and the same v3.0.0 code will be connected to WRF (this PR), MPAS, and CCPP. In WRF, supported namelist options include `tempo_aerosolaware==1` to use the aerosol-aware version, and `tempo_hailaware==1` to use the hail-aware version. Both options are on by default. Key improvements include: - TEMPO is in a submodule that allows for flexibility when connecting TEMPO to dynamical cores - Code modularity was been improved and technical documentation has been added - Bux fix for cloud droplet number concentration during evaporation - Surface emissions of water-friendly aerosols have been reduced based on a sensitivity simulation that aimed to better constrain water-friendly aerosol concentrations over 24-36 hour forecast periods and reduce the accumulation of aerosols in the atmosphere - A few modifications were made to graupel number concentration tendencies (when using the hail-aware option) for processes that cause rain to freeze to increase reflectivity in deep convective storms - Added simple sedimentation tests - Added unit tests - Added a program to build lookup tables with MPI capability - Lookup tables have been unified
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This PR connects TEMPO microphysics to MPAS.