Re: 20040205:metar decode

On Thu, 5 Feb 2004, Unidata Support wrote:

>
> ------- Forwarded Message
>
> >To: address@hidden
> >From: address@hidden
> >Subject: metar decode
> >Organization: UCAR/Unidata
> >Keywords: 200402050558.i155wgp1020034
>
> Hi-
> Thanks for the help with radar processing and plotting (works great!)
> Can dcmetr decode metar with the remarks? In particular I am looking for
> the PRESFR, PRESRR, and PKWIND comments.
> I have tried using some perl scripts to run over the raw data, however the
> .sao files I have sometimes lack the equal sign that indicate the metar
> has ended.
> Thanks for the help!

James,

There's a Unidata decoders package that has a metar2nc perl script to
extract the information that you need. You might have to hack out the
netcdf code part, the purpose is to convert metars into a netCDF file.
At this point, I'm modifying the script and fixed the bug that you noted
but the code has not be releases yet. So you could change the code to
reflect the fix.

Change lines that splits bulletins into reports to:


        # Separate bulletins into reports
        if( /=\n/ ) {
                s#=\s+\n#=\n#g ;
                @reports = split( /=\n/ ) ;
        } else {
                s#\n# #g ;
                next if( /\d{4,6}Z.*\d{4,6}Z/ ) ;
                $reports[ 0 ] = $_ ;
        }

The url to the decoders page is:

http://my.unidata.ucar.edu/content/software/decoders/index.html

Robb...

>
> --
> James Correia Jr.
> Ph.D. Candidate in Agricultural Meteorology
> Dept. of Agronomy, Iowa State University
> *********************************************
> Email: address@hidden
> Phone: 515-294-5587
> Web: http://www.mesoscale.iastate.edu/jimmyc/
> *********************************************
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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/
===============================================================================