Re: ECMWF GRIB parameter tables in PyNIO

From: David Ian Brown <dbrown_at_nyahnyahspammersnyahnyah>
Date: Thu, 16 Nov 2006 12:28:55 -0700

Hi Jesper,
If it is standard usage for the Danish Meterological Institute to use
one or more of
the ECMWF tables then we could internally account for this in the next
release of
PyNIO making the use of an external table unnecessary. Is there a web
site or
another source that documents Danish GRIB table
usage? What is the center number used in these files? Is it 94?

Thanks for letting us know your experience.

On Nov 16, 2006, at 2:08 AM, Jesper Larsen wrote:

> Thanks David and Dennis
> As a newcomer to PyNCL and PyNIO I really appreciate that you have
> taken the
> time to answer my question.
>> It is also possible to create a text version of your own parameter
>> table and have PyNIO
>> read it if you set the environment variable NCL_GRIB_PTABLE_PATH to
>> the
>> location of
>> the table. See the information under the heading "User-defined GRIB
>> parameter tables"
> The grib files I am working with use a standard grib table from ECMWF
> but with
> a modified center number (Danish Meteorological Institute). I have now
> set
> the NCL_GRIB_PTABLE_PATH to point to a version of this table with our
> center
> number instead of the ECMWF. It works fine.
> Kind regards,
> Jesper
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Received on Thu Nov 16 2006 - 12:28:55 MST

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