CDO

Hi,

I am using the COSMO-REA6 temperature data, which are in rotated longitude-latitude grid with a shifted pole (ftp://opendata.dwd.de/climate_environment/REA/COSMO_REA6/daily/2D/T_2M/).
As a newbie of cdo, I projected the rotated .grb files (see the attachment) to regular .grb files and then converted them to .nc files according to the 'COSMO_REA6_Starting_example' (see the attachment). However, when I opened the produced .nc files in arcGIS and R, all temperature values became NAs. Could someone know why?

Here is my code:

cdo remapcon,test_grid.txt T_2M.2D.201904.DayMean.grb remap_T_2M.2D.201904.DayMean.grb
cdo -f nc copy remap_T_2M.2D.201904.DayMean.grb remap_T_2M.2D.201904.DayMean.nc

Thanks in advance,

Qi