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The official repository for the Weather Research and Forecasting (WRF) model

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In order to correctly implement IR microphysics and convection scheme fallowing changes are important to make in namelist.input: 1. To include IR microphysics scheme in the namelist.input: mp_physics = 150,...

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Because of the typo, WRF 4.5.X do not compile with AOCC. make[1]: [Makefile:34: em_real] Error 1 (ignored) ld.lld: error: -mllvm: ld.lld: Unknown command line argument '-vectorize-noncontigous-memory-aggressively'. Try: '/opt/npad/shared/spack-v.0.21.0/opt/spack/linux-rocky8-zen/aocc-4.0.0-e44fzvu2tzd5sxxgoi3ce25awgmledsf/bin/ld.lld --help' ld.lld:...

https://github.com/NCAR/hrldas/issues/114#issue-1931501060 The ground heat flux in Noah-MP is downwards positive from surface, but it is downwards negative from surface in Noah land surface model (LSM). To keep the same direction...

**Describe the bug** A clear and concise description of what the bug is. **To Reproduce** Steps to reproduce the behavior: 1. Use compiler and version '....' 2. Use namelist options...

**Describe the bug** When compiling WRF4.5.1, I was unable to complete the compilation normally. The issue indicated in the compile.log is in WRF/phys/module_mp_thompson.F The solution is as below: Replace "`end`"...

When attempting to run ndown it was failing with messages like the following: ```output ndown_em main: calling open_r_dataset for wrfout_d01_2023-08-02_00:00:00 NetCDF error: No such file or directory NetCDF error in...

Hello, I have a question regarding module_data_rrtmgaeropt. In module https://github.com/wrf-model/WRF/blob/3dd1546ba425b5e77d682dd92253738416b3cb0a/chem/module_data_rrtmgaeropt.F#L82, the LW bands are set as the 16 RRTMG bands, while the SW bands are not. Is such setup for...

**Describe the bug** I am working on ESMF/NUOPC interface for WRF to couple with regional ocean model (NEMO). At this point, I am in a stage to testing the development...

**Describe the bug** The link [https://www2.mmm.ucar.edu/wrf/users/public.html.]( https://www2.mmm.ucar.edu/wrf/users/public.html.) pointing to the public domain notice at the end of the README is broken.

While working with the MSKF/Morrison AA combo, I noticed that identical runs (same build, same arch, same number of MPI ranks, etc.) were not producing bit for bit results like...