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Weather Research and Forecasting (WRF) model is a well-known atmospheric modeling system developed by NCAR. It is suitable for both meteorological research and operational weather prediction.

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1.3 To run the WRF model, the namelist.input is required. A concise description of the essential parameters can be found here, while the full description is available in chapter 5 of the WRF user's guide.

Info

Two complete examples are available at /project/common/WRF/. To run it within a directory, use cp /project/common/WRF/Example1/* . or cp /project/common/WRF/Example2/* . and follow the instructions inside the README file.

2. Job submission script

Below is an example of a WRF submission script (submitWRF.sh). It can be created using vi submitWRF.sh.

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Info

Additional information about regarding ThaiSC support commands for WPS (link_wps, unlink_wps) and WRF (link_emreal, unlink_emreal) can be found by using commands such as link_wps xxx --help, link_xxx --description or man link_emreal or module help WRF.

Note

Some options do not support hybrid run (such as running WRF-Chem). If this is the case, do xxx, after loading the modules.

Some physics/dynamics options DO NOT support hybrid (DM+SM) run. If it is stuck at the beginning. try the following:

  1. Use #SBATCH --cpus-per-task=1 and export OMP_NUM_THREADS=1,

  2. Increase the total number of tasks, for example, #SBATCH --ntasks-per-node=128

  3. Specify the number of tasks for each executable explicitly; for instance, use
    srun -n16 ./real.exe
    srun -n128 -c1 ./wrf.exe

3. Job submission

To submit jobs to the SLURM queuing system on LANTA, execute

Code Block
languagebash
sbatch submitWRF.sh

Two complete examples are available at /project/common/WRF/. To run it within a directory, use cp /project/common/WRF/Example1/* . or cp /project/common/WRF/Example2/* . and follow the instructions in the README file.

Note

Users should check the slurm-xxxx.out file regularly because an abnormal exit from an MPI task/process may NOT cause the entire job to terminate.

Setting an appropriate job runtime limit -t HH:MM:SS is also helpful.

4. Post-processing

NCL, NCO, CDO, Ncview, ecCodes, netcdf4-python, Ncview, wrf-python, pyngl, pynio, cartopy and cartopy others are available for processing NetCDF files. They are installed in Conda environment netcdf-py39 of Miniconda3/22.11.1-1.

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Contact Us
ThaiSC support service : thaisc-support@nstda.or.th