[gradsusr] combining GRIB fiiles

teresa tiberi crancyfera at gmail.com
Tue Aug 3 02:36:46 EDT 2010 

Hi Sujata,

There is no limit on number of grib.
the problem may be you forgot extention of file in command line, may it be?
grib2ctl.pl -verf cymala_nest_2006042500.grb >cymala_nest_2006042500.ctl
otherwise grib2ctl.pl isn't in your path, or file isn't in the directory
where you run command line, may it be?
Sorry,maybe they are "little" errors that I made some time,so they are the
first than I check.
If they aren't let me know

Teresa


2010/8/3 Sujata Pattanayak <sujata05 at gmail.com>

> Hi Teresa,
>      Is there any limit on number of grib files to be concatenated? I have
> 33 output files (grib) from a single simulation.
> For 24 files, its working well. But, if I am adding more than that, then
> while generating the .ctl file
> following errors are coming.
> grib2ctl.pl -verf cymala_nest_2006042500 >cymala_nest_2006042500.ctl
> could not open file: cymala_nest_2006042500
> Big problem:
>   either cymala_nest_2006042500 is missing or not a grib file
>   or wgrib is not on your path
> Can you suggest me something in this regard.
>
> regards,
> Sujata
>
>
> On Mon, Aug 2, 2010 at 6:22 PM, teresa tiberi <crancyfera at gmail.com>wrote:
>
>> great!
>> you're welcome
>>
>> regards
>> Teresa
>>
>> 2010/8/2 Sujata Pattanayak <sujata05 at gmail.com>
>>
>>> Hi Teresa,
>>>      The problem is solved. I did a mistake in generating .idx file. I
>>> used -0 option while generating .idx file.
>>> Thanks for your kind help. Now it is working.
>>> With lots of thanks,
>>> regards,
>>> Sujata
>>>
>>>
>>> On Mon, Aug 2, 2010 at 4:53 PM, Sujata Pattanayak <sujata05 at gmail.com>wrote:
>>>
>>>> Hi Teresa,
>>>>      Thanks for your kind suggestion.
>>>> I tried with your option. Now I am getting
>>>> tdef 2 linear ... 3hr
>>>> But, when I am trying to plot through grads, for (t=2), entire Grid
>>>> Undefined message is coming.
>>>> I have uploaded two of my .grb files in the following ftp site.
>>>> Please have a look in to it and please suggest me something in this
>>>> regard.
>>>> ftp://ftp.rap.ucar.edu/incoming/irap/sujata
>>>>
>>>> With regards,
>>>> Sujata
>>>>
>>>>
>>>>
>>>> On Mon, Aug 2, 2010 at 2:57 PM, teresa tiberi <crancyfera at gmail.com>wrote:
>>>>
>>>>> ok,
>>>>> when you use grib2ctl.pl, did you write as follow?
>>>>>
>>>>> grib2ctl.pl -verf big_file.grb > big_file.ctl
>>>>>
>>>>> if you do and you don't obtain this row
>>>>> tdef 2 linear ... 3hr
>>>>>
>>>>> try to send me your wrfprs* file by mail or give me a ftp address where
>>>>> I can download your files
>>>>>
>>>>>
>>>>> regards
>>>>> Teresa
>>>>>
>>>>> 2010/8/2 Sujata Pattanayak <sujata05 at gmail.com>
>>>>>
>>>>>> 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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