Re: which table to use?

thanks for the info,

robb...

On Mon, 20 Dec 2004, Keith Fielding wrote:

> Dear Robb,
>
> If you are working with raw GRIB data then as defined by WMO,
> in GRIB section 1
>
> Byte 4 is the code table number
> Byte 5 is the centre identifier and 98 is used for ECMWF data.
>
> Most ECMWF atmospheric data uses ECMWF local GRIB table 128 and
> wave data uses ECMWF local GRIB table 140. A few ERA-40 fields
> use other table as do some EPS, seasonal and monthly forecasts
> fields, but the table is always in section 1.
>
> I hope this helps.
>
> Regards
>
> Keith
>
> > hiya,
> >
> > my work includes decoding grib products to other formats such as netcdf,
> > etc. one model from ecmwf has me confused about what table to use in
> > decoding the parameters. the center, sub-center, and table version number
> > are 98 (ecmwf), 0 ( wmo ), 1 (?).  i assume 1 relates to version number
> > 128 but wanted to confirm this is true. according to your site
> > www.ecmwf.int there are table version numbers 128, 129, 130, 131, 140,
> > 150, 151, 160, 170, 180, and 190. are there others?  the model is the
> > composition of grid 1-12 from ecmwf. thanks for the information.
> >
> > robb...
>
>
>
> Regards
>
> Keith Fielding
>
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===============================================================================
Robb Kambic                                Unidata Program Center
Software Engineer III                      Univ. Corp for Atmospheric Research
address@hidden             WWW: http://www.unidata.ucar.edu/
===============================================================================