[gradsusr] combining GRIB fiiles

teresa tiberi crancyfera at gmail.com
Mon Aug 2 04:21:05 EDT 2010


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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>
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