Merging netcdf files

[Eric P. Salathe]

Hi all--       A common way to manage disk space with large WRF archives is to strip the time-invariant fields (XLAT XLONG HGT P00 PB etc) from the wrfouts and store as a separate file (eg grid.nc). However, the resulting stripped files are not recognized by wrf-python. Is there a way to merge the time-invariant (ie no time dimension) file with the wrf data file? Thanks!

-Eric

[Dileepkumar R]

Yes, I am using CDO commands for this purpose.

Here is the commands... 

export SKIP_SAME_TIME=1

cdo mergetime ncfile1 ncfile2 ncfile3 Combined_nc_FileName

But you should check the dates once you merged.

On Wed, 17 Jul, 2024, 05:35 Eric P. Salathe, <sal...@uw.edu> wrote:

Hi all--       A common way to manage disk space with large WRF archives is to strip the time-invariant fields (XLAT XLONG HGT P00 PB etc) from the wrfouts and store as a separate file (eg grid.nc). However, the resulting stripped files are not recognized by wrf-python. Is there a way to merge the time-invariant (ie no time dimension) file with the wrf data file? Thanks!

-Eric

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