Using ERA5 for Initial Conditions and GFS for Boundary Conditions in WPS

S

seti

Member
Dear all,

I would like to use ERA5 data as the initial condition and GFS data as the lateral boundary condition for my WRF simulation.

I understand that this requires combining two meteorological data sources within WPS. However, I am unsure about the correct workflow and namelist configuration, especially regarding:

  • running ungrib separately for ERA5 and GFS,
  • configuring fg_name in metgrid,
  • handling different pressure levels between ERA5 and GFS,
  • and determining whether mod_levs.exe is necessary.
Could you please explain the correct procedure for setting up and running WPS in this case?

Thank you very much for your help.

Best regards,
 
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