[ncl-talk] Converting grb to netcdf (jra55 reanalysis): No time dimension created

[Lyndon Mark Olaguera]

Dear NCL experts,

I am trying to convert a grb file to netcdf using ncl_convert2nc.

Attached are the output of ncl_filedump and ncdump -h. The raw file can be
accessed
here:

https://www.dropbox.com/s/zcsik2tl8qpgjwi/fcst_phy2m125.1979010100?dl=0


I am converting the file using the following command:

*ncl_convert2nc fcst_phy2m125.1979010100.grb -u -U time*

This is weird because the ncl_filedump has the "initial_time" attibute.
Example:

      float ULWRF_GDS0_SFC_ave3h ( g0_lat_0, g0_lon_1 )
         sub_center : 241
         center : Japanese Meteorological Agency - Tokyo (RSMC)
         long_name : Upward long wave radiation flux
         units : W/m^2
         _FillValue : 1e+20
         level_indicator : 1
         gds_grid_type : 0
         parameter_table_version : 200
         parameter_number : 212
         forecast_time : 3
         forecast_time_units : hours
         initial_time : 01/01/1979 (00:00)

It does not give an error but no "unlimited time" dimension is created:

determining unlimited dimension dynamically
if   of
Processing file: fcst_phy2m125.1979010100.grb...
 Copyright (C) 1995-2017 - All Rights Reserved
 University Corporation for Atmospheric Research
 NCAR Command Language Version 6.4.0
 The use of this software is governed by a License Agreement.
 See http://www.ncl.ucar.edu/ for more details.

Any suggestion on how to do this correctly?

I'll appreciate any help.

Sincerely,

Lyndz
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