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 Post subject: Canadian CMC Grib Data
PostPosted: Thu Jun 16, 2005 11:17 pm 
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Joined: Thu Jun 16, 2005 11:12 pm
Posts: 2
I noticed that the CMC outputs its grib data in multiple files instead of one and this is causing me headaches. Every field, level and time are in a separate file (i.e. CMC_reg_TMP_TGL_2_ps60km_2005061400_P000.grib). Is there a way to combine or merge grib files together so that I can graph temperature over time at a certain location. Right now the only thing i can graph is temperature over map for one time and one level. Thanks.


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 Post subject: CMC Grib
PostPosted: Mon Jun 20, 2005 11:39 pm 
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Joined: Sat Aug 07, 2004 12:57 am
Posts: 128
Location: North Carolina
Not sure why it would be causing you headaches. If you download all the grib files for all the times and levels you want to work with and then run Ngrb2pcg32 it will create one file in the "GRIDDATA" folder for that model run for all grib parameters, levels and times that you have downloaded. Here is a time section I created using CMC grib data for temperature for most but not all levels.

Image

Kevin


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 Post subject:
PostPosted: Tue Jun 21, 2005 3:02 am 
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Joined: Thu Jun 16, 2005 11:12 pm
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oh, thanks, I am used to working with GrADS and I was sure I had to manually do that step. Thanks a lot.


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