[ncl-talk] reading ECMWF grib2 files

[Dave Allured - NOAA Affiliate]

Jaromir,

No, NCL does not write grib2 format, it only reads it.  This is in the
documentation for supported file formats.

http://www.ncl.ucar.edu/Document/Manuals/Ref_Manual/NclFormatSupport.shtml#GRIB

--Dave


On Sun, Feb 28, 2016 at 3:27 PM, Jaromir Jakacki <jjakacki at iopan.gda.pl>
wrote:

> Hi,
> I do not have answer for this question - so sorry for that - i do not
> any experience with ncl. But i would like to create grib2 file from
> netcdf. Is it possible to do it using ncl?
> thanks,
> Jaromir
>
>
>
>
> On 28/02/16 11:10, R Phani wrote:
> > The file prate_ecmwrf_2000_2015_reforecast_04-02_720hrs_0.5x0.5.grb has
> been placed on the ucar ftp server.
> >
> > ncl_convert2nc also doesn't work with this file.
> >
> > ------------
> > $ ncl_convert2nc
> prate_ecmwrf_2000_2015_reforecast_04-02_720hrs_0.5x0.5.grb
> > Processing file:
> prate_ecmwrf_2000_2015_reforecast_04-02_720hrs_0.5x0.5.grb...
> >   Copyright (C) 1995-2013 - All Rights Reserved
> >   University Corporation for Atmospheric Research
> >   NCAR Command Language Version 6.1.2
> >   The use of this software is governed by a License Agreement.
> >   See http://www.ncl.ucar.edu/ for more details.
> > getpdstemplate: PDS Template 4.61 not defined.
> > warning:Error unpacking GRIB record section 4.
> > fatal:Could not open
> (prate_ecmwrf_2000_2015_reforecast_04-02_720hrs_0.5x0.5.grb)
> > Segmentation fault (core dumped)
> > -------------
> >
> > Why ncl_convert2nc fails for ECMWF grb2 files?
> >
> > Phani.
> >
> > ----- Original Message -----
> > From: "R Phani" <rphani at tropmet.res.in>
> > To: "NCL" <ncl-talk at ucar.edu>
> > Sent: Saturday, February 27, 2016 11:06:57 AM
> > Subject: reading ECMWF grib2 files
> >
> > Hi,
> >
> > I am having problems in opening the S2S ECMWF files with NCL.
> >
> > $ module load GNU-ncl/6.3.0
> > $ ncl
> >   Copyright (C) 1995-2015 - All Rights Reserved
> >   University Corporation for Atmospheric Research
> >   NCAR Command Language Version 6.3.0
> >   The use of this software is governed by a License Agreement.
> >   See http://www.ncl.ucar.edu/ for more details.
> > ncl 0>
> f=addfile("S2S/prate_ecmwrf_2000_2015_reforecast_04-02_720hrs_0.5x0.5.grb","r")
> > getpdstemplate: PDS Template 4.61 not defined.
> > warning:Error unpacking GRIB record section 4.
> > ncl 1> quit
> > $ module load GNU-ncl/6.2.0
> > $ ncl
> >   Copyright (C) 1995-2014 - All Rights Reserved
> >   University Corporation for Atmospheric Research
> >   NCAR Command Language Version 6.2.0
> >   The use of this software is governed by a License Agreement.
> >   See http://www.ncl.ucar.edu/ for more details.
> > ncl 0>
> f=addfile("S2S/prate_ecmwrf_2000_2015_reforecast_04-02_720hrs_0.5x0.5.grb","r")
> > getpdstemplate: PDS Template 4.61 not defined.
> > warning:Error unpacking GRIB record section 4.
> > fatal:Could not open
> (S2S/prate_ecmwrf_2000_2015_reforecast_04-02_720hrs_0.5x0.5.grb)
> >
> >
> > How to get/install PDS Template 4.61?
> > _______________________________________________
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