[Met_help] Running point stat

John Halley Gotway johnhg at rap.ucar.edu
Thu May 7 10:55:42 MDT 2009


Good news.  I found the problem.  It's just a typo in the message type that you're using for your point observations.  You're using "APSFC" as the message type, when it should be "ADPSFC".  Try
correcting that typo and rerunning.  Hopefully that'll fix the problem.


Gurer, Kemal at ARB wrote:
> Hi John,
> Since you have the input GRIB and netcdf data, if you could try to
> replicate the problem, that would be really big help. I would appreciate
> any help that you could give since I am only at the beginning of my MET
> experience. 
> Thank you for your consideration of my request for help.
> Kemal.
> -----Original Message-----
> From: John Halley Gotway [mailto:johnhg at rap.ucar.edu] 
> Sent: Thursday, May 07, 2009 9:02 AM
> To: Gurer, Kemal at ARB
> Cc: met_help
> Subject: Re: [Met_help] Running point stat
> Kemal,
> Thank you very much for sending the details of the MM5 to GRIB
> conversion process.  I passed them along to the other MET user.
> Good luck debugging the date issue with the GRIB file.  While I wouldn't
> be able to help much in debugging the MM5 to GRIB conversion step, I'd
> be happy to answer any questions you may have about
> running those GRIB files in MET.
> Thanks,
> John
> Gurer, Kemal at ARB wrote:
>> Hello John,
>> Thank you for contacting me on this issue. In fact, let me give you a
>> new tar file in which there is one hour of MM5 data with all steps of
>> converting MM5 sigma levels to pressure, then into grib1 files, and
> then
>> running MET on the output files, including all source code, so other
>> user can go through the steps after we figure out what to do. I am
> also
>> including a README.1st file that I wrote to remember how I did all
> these
>> calculations in the future file within compare.with.MET subdirectory
>> which explains the process step by step. Most important step is
>> MM5toGRIB routine which was provided by scientists in Spain. 
>> I placed the new tar file to our anonymous site for you to retrieve:
>> ftp://eos.arb.ca.gov/pub/outgoing/kgurer/MET.error.tar.bz2
>> You can get the source code for MM5toGRIB module including many other
>> utilities from here:
>> http://www.mmm.ucar.edu/mm5/mm5v3/util.html
>> (in the middle of that web page, you will see the link for MM5toGRIB).
>> You will find compiled MM5toGRIB code in my tar file, as well.
>> As I was writing this e-mail, I got your next e-mail with your
>> suggestions to debug the problem. In fact, that is exactly what I
>> thought. I tried "FULL" in spatial comparisons. And, I checked the
> time
>> periods. Only thing that didn't quite make sense is the order of grib1
>> file based on the help given in README file in MM5toGRIB subdirectory:
>> http://www.ecmwf.int/publications/manuals/libraries/gribex/ksec1.html
>> It seems like the order of parameters (particularly the date) written
> in
>> grib1 file is not correct, based on the above link. I am still trying
> to
>> debug it.
>> Thank you very much for helping me on this issue. I will still follow
>> your suggestions one more time to find the problem. 
>> With regards,
>> Kemal.

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