
Over six months, Craig Craig developed and integrated advanced atmospheric physics features in the ESCOMP/atmospheric_physics repository, focusing on model fidelity and maintainability. He converted the Zhang McFarlane physics package to the CCPP framework, standardized variable naming, and implemented conservation-focused schemes such as DME_adjust and momentum-conserving gravity wave simulations. Craig managed external dependencies using git submodules and improved CI reliability through configuration and metadata updates. His work, primarily in Fortran and CMake, emphasized modular code organization, robust memory management, and thorough testing, resulting in more accurate, stable, and maintainable atmospheric models suitable for long-running scientific simulations.

December 2025 monthly summary for ESCOMP/atmospheric_physics: Delivered momentum-conserving simulations for moving mountain gravity waves, improving numerical accuracy and stability in atmospheric gravity-wave modeling. Integrated a bugfix for moving mountain (#342) as part of the momentum-conserving update, enhancing reliability of long-run simulations. This work strengthens forecast fidelity and conservation properties across production workloads.
December 2025 monthly summary for ESCOMP/atmospheric_physics: Delivered momentum-conserving simulations for moving mountain gravity waves, improving numerical accuracy and stability in atmospheric gravity-wave modeling. Integrated a bugfix for moving mountain (#342) as part of the momentum-conserving update, enhancing reliability of long-run simulations. This work strengthens forecast fidelity and conservation properties across production workloads.
October 2025 monthly summary: Delivered a memory-management hardening for the coords1d type by adding a finalize subroutine to ensure proper deallocation and prevent memory leaks, including whitespace cleanup in coords_1d.F90. All automated tests passed, with no behavioral changes. This work improves long-running simulation stability, reduces memory pressure, and enhances maintainability. Key commit: 4d809872fd8062d96efbfc44036aba3d47769574.
October 2025 monthly summary: Delivered a memory-management hardening for the coords1d type by adding a finalize subroutine to ensure proper deallocation and prevent memory leaks, including whitespace cleanup in coords_1d.F90. All automated tests passed, with no behavioral changes. This work improves long-running simulation stability, reduces memory pressure, and enhances maintainability. Key commit: 4d809872fd8062d96efbfc44036aba3d47769574.
Concise monthly summary for 2025-08: Delivered two major items for ESCOMP/atmospheric_physics: (1) PUMAS external model integration as a submodule with .gitmodules wiring to reference the PUMAS repository, enabling clean external dependency management; (2) MT configuration support and related bug fix for RRTMGP to correct MT processing errors (MPAS and L93 mid-top) by updating input handling and calculations. These changes improve modularity, reduce build complexity, and increase runtime reliability for external models and MT configurations.
Concise monthly summary for 2025-08: Delivered two major items for ESCOMP/atmospheric_physics: (1) PUMAS external model integration as a submodule with .gitmodules wiring to reference the PUMAS repository, enabling clean external dependency management; (2) MT configuration support and related bug fix for RRTMGP to correct MT processing errors (MPAS and L93 mid-top) by updating input handling and calculations. These changes improve modularity, reduce build complexity, and increase runtime reliability for external models and MT configurations.
July 2025 ESCOMP/atmospheric_physics: Focused on standardizing cam_in/out variable names across physics schemes and updating related metadata. No functional changes to physics schemes; changes are naming and metadata only. This refactor improves consistency, reduces downstream integration errors, and lays groundwork for automated naming enforcement and future tooling.
July 2025 ESCOMP/atmospheric_physics: Focused on standardizing cam_in/out variable names across physics schemes and updating related metadata. No functional changes to physics schemes; changes are naming and metadata only. This refactor improves consistency, reduces downstream integration errors, and lays groundwork for automated naming enforcement and future tooling.
April 2025 (2025-04) — ESCOMP/atmospheric_physics monthly summary focusing on business value and technical achievements. Delivered a conservation-focused DME_adjust dry mass adjustment scheme with full CCPP integration, stabilized tests, and improved CI reliability. Updated repository configurations and metadata to align with evolving standards, enhancing model fidelity and development hygiene.
April 2025 (2025-04) — ESCOMP/atmospheric_physics monthly summary focusing on business value and technical achievements. Delivered a conservation-focused DME_adjust dry mass adjustment scheme with full CCPP integration, stabilized tests, and improved CI reliability. Updated repository configurations and metadata to align with evolving standards, enhancing model fidelity and development hygiene.
January 2025 monthly summary for ESCOMP/atmospheric_physics focused on delivering the Zhang McFarlane (ZM) physics package integration into the CCPP framework. This effort completed the conversion of the ZM physics package, integrating cloud fraction, diagnostics, and tendency calculations within the CCPP infrastructure. The update included the addition of new Fortran sources and metadata files, as well as test and suite updates to accommodate the CCPP-ized ZM package.
January 2025 monthly summary for ESCOMP/atmospheric_physics focused on delivering the Zhang McFarlane (ZM) physics package integration into the CCPP framework. This effort completed the conversion of the ZM physics package, integrating cloud fraction, diagnostics, and tendency calculations within the CCPP infrastructure. The update included the addition of new Fortran sources and metadata files, as well as test and suite updates to accommodate the CCPP-ized ZM package.
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