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How do I convert a.GRB2 file to a nc file?


Replies (6)

RE: How do I convert a.GRB2 file to a nc file? - Added by Karin Meier-Fleischer over 1 year ago

Hi Jiang,

searching the internet would be faster but here comes the answer.

In your case the file contains only one variable.

cdo -f nc -copy infile.grb2 outfile.nc

BTW, due to the fact that I don't have the appropriate parameter table the variable has lost its attributes and name (now param8.1.0).

RE: How do I convert a.GRB2 file to a nc file? - Added by jiayan yang over 1 year ago

hi,Karin:
Thanks for your patient answer.I've tried this before, but it didn't work,there is a error:
cdo copy: Open failed on >Z_SURF_C_BABJ_20210719091421_P_CMPA_FRT_CHN_0P05_HOR-PRE-2021071909.GRB2<
Unsupported file type

I'm guessing it's this file that starts with '.GRB2' ends, it's a little bit different than '.grb2'. Can you take a look at it again?

RE: How do I convert a.GRB2 file to a nc file? - Added by Karin Meier-Fleischer over 1 year ago

I cannot reproduce your problem. Which cdo version ('cdo -V') do you use?

cdo -f nc -copy Z_SURF_C_BABJ_20210719001400_P_CMPA_FRT_CHN_0P05_HOR-PRE-2021071900.GRB2  o.nc 
cdo    copy: Processed 1682601 values from 1 variable over 1 timestep [0.27s 48MB].

RE: How do I convert a.GRB2 file to a nc file? - Added by Karin Meier-Fleischer over 1 year ago

Uh, this is very old. The current version is 2.1.0.

RE: How do I convert a.GRB2 file to a nc file? - Added by jiayan yang over 1 year ago

Ok, thank you very much for your answer!I'll go update it!

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