[ncl-talk] reading s2s ecmwf forecast grib file

[ousmane ndiaye]

Thanks dave
for your answer and investigation
The size is actually :

-rwxrwxrwx   1 macbook  staff  1298838 Jul 20 16:36 1Sep2009.grib
I ftp it while changing the name to "file1Sep2009.grib"
Ousmane
thanks


On Thu, Aug 31, 2017 at 9:37 PM, David Brown <dbrown at ucar.edu> wrote:

> Hi Ousmane,
> The second error message is pretty minor. It simply indicates that the
> table used to give a value to the "production_status" attribute is not
> quite up-to-date. If it were up-to-date. you would see
>
>  production_status : S2S Operational Products
>
> instead of
>
> production_status : 6
>
> (6 is the code for "S2S Operational Products" in the table 1.6.table)
>
> The first error is more serious, but I am unable to duplicate it with
> any version of NCL that I have.  One possible reason for this is that
> the file you uploaded may be truncated. It only contains one complete
> GRIB record, but it also contains the beginning of a second record.
> The file as we received it is 24020 bytes:
> ls -l 1Sep2009.grib
> -rw-r--r-- 1 dbrown ncar 24020 Aug 31 15:15 1Sep2009.grib
>
> If your file is bigger than that, then the file was not successfully
> uploaded to the ftp site. Can you check the size of your file and if
> necessary upload it again? If it is the same size, then your file is
> incomplete and maybe you can retrieve it again from wherever it came
> from.
>
> I can tell you that this file uses a GRIB2 Product Definition Template
> number (see http://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_table4-0.
> shtml),
> 61, that NCL does not yet fully support. That means that the error you
> are seeing would not be surprising assuming the file is complete. We
> will be updating our code to handle this template as soon as possible.
>
> Thanks for your report and hopefully you can send a complete file to us.
>  -dave
>
>
>
> On Thu, Aug 31, 2017 at 6:50 AM, ousmane ndiaye <ondiaye70 at gmail.com>
> wrote:
> > Dear All,
> >
> > I downloaded forecast file from ecmwf s2s data base in grib2 format.
> >
> > When I try to read it I got this error :
> >
> > ncl 3> ff=addfile("1Sep2009.grib","r")
> >
> > warning:NclGRIB2: TPRATE_P61_L1 contains records that NCL cannot
> currently
> > differentiate. One or more records will be ignored.
> >
> > warning: Entry (6) not found in code table file
> > /Users/macbook/Downloads/ncl-6.4.0/lib/ncarg/grib2_
> codetables/ncep/1/1.3.table
> >
> >
> >
> > ==
> >
> > any help
> >
> > Ousmane
> >
> >
> >
> >
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