[ncl-talk] Getting error while converting .grib file to netcdf format.

Wed Nov 2 08:10:05 MDT 2016

To clarify:

The 'cdo' are a **separate software product**. The cdo are created by Max
Planck Institute for Meteorology. The cdo and, another tool, the netCDF
Operators (NCO) are often used for assorted data handling and processing
tasks. Neither has any relation to NCL. Questions and usage of these tools
should be sent to the appropriate mailing lists.

https://code.zmaw.de/projects/cdo
http://nco.sourceforge.net/

On Wed, Nov 2, 2016 at 7:33 AM, Guido Cioni <guidocioni at gmail.com> wrote:

> The error is exactly telling what the problem is :) In order to work with
> grib2 files you have to configure and compile CDO (and any other command
> line tool) with grib2 libraries (--with-grib-api). However, I don't
> understand what the problem is: Dennis already provided you with a
> converted NETCDF file...
>
> Guido Cioni
> http://guidocioni.altervista.org
>
> On 02 Nov 2016, at 14:26, Arunima Singh <arunima at vassarlabs.com> wrote:
>
> Hi,
>
> Getting following error :
>
> cdo copy: Open failed on >_mars-atls18-95e2cf679cd58ee9b4db4dd119a05a
> 8d-azDkQn.grib<
> Unsupported file type (library support not compiled in)
> To create a CDO application with GRIB2 support use: ./configure
> --with-grib_api=<GRIB_API root directory> ...
>
> Regards.
> Arunima Singh
>
> On Wed, Nov 2, 2016 at 1:39 AM, Guido Cioni <guidocioni at gmail.com> wrote:
>
>> Or more simply cdo -f nc copy in.grb out.nc? :)
>>
>> Guido Cioni
>> http://guidocioni.altervista.org
>>
>>
>>
>>
>> Il giorno 01 nov 2016, alle ore 20:27, Dennis Shea <shea at ucar.edu> ha
>> scritto:
>>
>>
>> The 6.1.2 version 3.5 years old:   February 4, 2013
>> ===
>> NCL 6.3.0 does not read this file.
>> ===
>> However, the 6.4.0 version does ....
>>
>> %> ncl_filedump _mars-atls19-95e2cf679cd58ee9b4db4dd119a05a8d-ZU3Mkg.grib
>>
>>
>> yields
>>
>>
>> ====
>> Variable: f
>> Type: file
>> filename:       _mars-atls19-95e2cf679cd58ee9b4db4dd119a05a8d-ZU3Mkg
>> path:   _mars-atls19-95e2cf679cd58ee9b4db4dd119a05a8d-ZU3Mkg.grib
>>    file global attributes:
>>    dimensions:
>>       forecast_time0 = 61
>>       lat_0 = 361
>>       lon_0 = 720
>>    variables:
>>       float tp_P11_L1_GLL0_acc ( forecast_time0, lat_0, lon_0 )
>>          center :       European Center for Medium-Range Weather Forecasts
>>          production_status :    TIGGE Operational products
>>          long_name :    total precipitation
>>          units :        kg/m^2
>>          _FillValue :   1e+20
>>          grid_type :    Latitude/longitude
>>          parameter_discipline_and_category :    Meteorological products,
>> Moisture
>>          parameter_template_discipline_category_number :        ( 11, 0,
>> 1, 52 )
>>          level_type :   Ground or water surface
>>          type_of_statistical_processing :       Accumulation
>>          statistical_process_duration : initial time to forecast time
>>          initial_time : 10/29/2016 (00:00)
>>
>>       float lat_0 ( lat_0 )
>>          long_name :    latitude
>>          grid_type :    Latitude/Longitude
>>          units :        degrees_north
>>          Dj :   0.5
>>          Di :   0.5
>>          Lo2 :  359.5
>>          La2 :  -90
>>          Lo1 :   0
>>          La1 :  90
>>
>>       float lon_0 ( lon_0 )
>>          long_name :    longitude
>>          grid_type :    Latitude/Longitude
>>          units :        degrees_east
>>          Dj :   0.5
>>          Di :   0.5
>>          Lo2 :  359.5
>>          La2 :  -90
>>          Lo1 :   0
>>          La1 :  90
>>
>>       integer forecast_time0 ( forecast_time0 )
>>          long_name :    Forecast offset from initial time
>>          units :        hours
>>
>> ====
>> I used
>> ncl_convert2nc _mars-atls19-95e2cf679cd58ee9b4db4dd119a05a8d-ZU3Mkg.grib
>>
>> to create a netCDF
>> =====
>>
>> Maybe you can use it ...
>>
>> ftp ftp.cgd.ucar.edu
>> anonymous
>> your_email
>> cd pub/shea
>> prompt
>> ls
>> get _mars-atls19-95e2cf679cd58ee9b4db4dd119a05a8d-ZU3Mkg.nc
>> quit
>>
>> Good Luck
>>
>> On Tue, Nov 1, 2016 at 1:01 PM, Arunima Singh <arunima at vassarlabs.com>
>> wrote:
>>
>>> Hi,
>>>
>>> ncl version is 6.1.2.
>>>
>>> Thanks and Regards.
>>> Arunima Singh
>>>
>>> On Wed, Nov 2, 2016 at 12:27 AM, Arunima Singh <arunima at vassarlabs.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> I am trying to convert .grib file to nc format but i am getting
>>>> following error -
>>>>
>>>> fatal:NclGRIB2: Invalid Product Definition Template.
>>>> fatal:Could not open (./_mars-atls19-95e2cf679cd58e
>>>> e9b4db4dd119a05a8d-ZU3Mkg.grib)
>>>> Segmentation fault (core dumped)
>>>>
>>>> PFA
>>>> grib file ,
>>>> screenshot of - error , uname -a ,ncargpath root, ncargpath
>>>> grib2_codetables.
>>>>
>>>>
>>>> Thanks and Regards.
>>>> Arunima Singh
>>>>
>>>>
>>>> 
>>>>  _mars-atls19-95e2cf679cd58ee9b4db4dd119a05a8d-Z...
>>>> <https://drive.google.com/a/vassarlabs.com/file/d/0Bx7xJNSDBbVrN3ZXNWdRRnI1bmc/view?usp=drive_web>
>>>> 
>>>>
>>>>
>>>
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