[gradsusr] combining GRIB fiiles

Tue Aug 3 03:59:20 EDT 2010

we can try again by ftp if you can put there your files

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

> Hi Teresa,
> I have tried with the extension .grb too and with giving complete path for
> grib2ctl.
> tsunami>/user1/sujata/grib2ctl/grib2ctl.pl -verf big_file.grb
> >big_file.ctl
> could not open file: big_file.grb
> Big problem:
>   either big_file.grb is missing or not a grib file
>
>   or wgrib is not on your path
> Still same problem is coming.
>
> With regards,
> Sujata
>
>
> On Tue, Aug 3, 2010 at 12:32 PM, Sujata Pattanayak <sujata05 at gmail.com>wrote:
>
>> Hi Teresa,
>>     Thanks for your email. I am not using .grb extension for less than 24
>> files too and I am not getting any error message.
>> Also, there is no path error, because grib2ctl.pl is there, where I am
>> running. Also, I checked all the files, its working well.
>> So, there is no error in grib file too.
>>
>> regards,
>> Sujata
>>
>>
>> On Tue, Aug 3, 2010 at 12:06 PM, teresa tiberi <crancyfera at gmail.com>wrote:
>>
>>> 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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>>>>>>>>>>>>>>
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