[gradsusr] combining GRIB fiiles

Sujata Pattanayak sujata05 at gmail.com
Mon Aug 2 05:02:25 EDT 2010


Hi Teresa,
Thanks a lot for your kind suggestion.
I have downloaded the latest version of grib2ctl.pl, But still in .ctl file
only one time is written.
In .ctl file, time is defined as follows.
tdef 1 linear 00Z28apr2008 1mo

Also I am attaching my  .ctl file for your reference.
Please suggest me something in this regard.

regards,
Sujata

On Mon, Aug 2, 2010 at 1:51 PM, teresa tiberi <crancyfera at gmail.com> wrote:

> you can see in this two rows that your file is ok:
>
> 333:6969460:d=08042800:WTMP:kpds5=80:kpds6=1:kpds7=0:TR=0:P1=0:P2=0:TimeU=1:sfc:anl:NAve=0
> 334:7002466:d=08042800:PRMSL:kpds5=2:kpds6=102:kpds7=0:TR=0:P1=3:P2=0:TimeU=1:MSL:3hr
> fcst:NAve=0
>
> you have 1-333 records of anl and 334-666 of 3hr fcst
> So you big_file.grb is ok
> for ctl try to download last version of grib2ctl.pl
> I use 0.9.12.5p46
>
> I hope this solve the problems,otherwise I'm here ;)
>
> regards
> Teresa
>
>
> 2010/8/2 Sujata Pattanayak <sujata05 at gmail.com>
>
>> Hi Teresa,
>>  Thanks for your suggestion.
>> But, wrfprs files are not empty.
>> The output from
>> grib2ctl.pl -verf new.grb >new.ctl
>>
>> Undefined parameter table (center 7-0 table 129), using NCEP-opn
>>
>> Also, I am enclosing the output from wgrib "grib_file_name" as wgrib_out.
>> But, I looked into this output, and only one time is available.
>> Can I send my two grib files.
>>
>> regards,
>> Sujata
>>
>>
>>
>> On Mon, Aug 2, 2010 at 1:13 PM, teresa tiberi <crancyfera at gmail.com>wrote:
>>
>>> Hi Sujata ,
>>>
>>> are you sure both of your wrfprs files aren't empty?
>>>
>>> make and other test:
>>> please write
>>> grib2ctl.pl -verf big_file.grb > big_file.ctl
>>> please copy here your big_file.ctl and  the output of command:
>>> wgrib big_file.grb
>>>
>>> thanks
>>> Teresa
>>>
>>> 2010/8/2 Sujata Pattanayak <sujata05 at gmail.com>
>>>
>>> Hi Teresa,
>>>>     I have appended the files and then create the .ctl & .idx files.
>>>> But, in .ctl file, only one time (first time) data is there.
>>>> Still it is not taking all time data.
>>>> Please suggest me in this regard.
>>>>
>>>> Regards,
>>>> Sujata
>>>>
>>>>
>>>> On Mon, Aug 2, 2010 at 11:45 AM, teresa tiberi <crancyfera at gmail.com>wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> maybe you didn't append files?I don't know.
>>>>> you can write as follow
>>>>>
>>>>> cat        wrfprs_d01.000 > big_grib_file.grb
>>>>> cat        wrfprs_d01.003 >> big_grib_file.grb
>>>>>
>>>>> then create .ctl and .idx files.
>>>>> Let me know if you have the same problem
>>>>>
>>>>> regards
>>>>> Teresa
>>>>>
>>>>> 2010/7/31 Sujata Pattanayak <sujata05 at gmail.com>
>>>>>
>>>>>> Dear Sir,
>>>>>> I need help regarding combining multiple grib files in to a single
>>>>>> grib file.
>>>>>> I have the model output as follows.
>>>>>>
>>>>>>        wrfprs_d01.000
>>>>>>        wrfprs_d01.000.idx
>>>>>>        wrfprs_d01_000.ctl
>>>>>>        wrfprs_d01.003
>>>>>>        wrfprs_d01.003.idx
>>>>>>        wrfprs_d01_003.ctl
>>>>>>        ---
>>>>>> I had tried with 'CAT' command, but while creating the .ctl file, it
>>>>>> is taking only first time data .
>>>>>> Can anybody please help me in this regard.
>>>>>>
>>>>>> With regards,
>>>>>> Sujata
>>>>>>
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>>>>>> http://gradsusr.org/mailman/listinfo/gradsusr
>>>>>>
>>>>>>
>>>>>
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>>>>>
>>>>
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