Re: grib to netcdf conversion question

Mr. Ross,

Are you dealing with GRIB or GRIB2 GFS files?

Sincerely,
John Kelley
NOAA/National Ocean Service


> Hello all,
>
>  
>
> I'm trying to convert model grib files into GFE/IFPS compatible file 
> formats using the Unidata Converter suite.  So far I'm having no luck 
> and am seeking input from anyone who may be able to help.
>
>  
>
> Here's what I've done so far...
>
>  
>
> 1.  I'm using a GFS grib file for input.
>
>  
>
> 2.  Create a .cdl file:
>
>         $ gribtocdl -v -g awips.tbl  2007021212_gfs.grib > 
> gfs_2007021212.cdl
>
>  
>
>         * I'm using a awips.tbl file that I found while browsing the 
> unidata archives
>
>  
>
> 3.  Create the nc file:
>
>         $ gribtonc -l - -g awips.tbl gfs_2007021212.cdl awips.nc < 
> 2007021212_gfs.grib
>
>  
>
>         My output here is interesting and may be problematic.  Here is 
> a sample:
>
>  
>
>         -------------
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD99 KWBC 121200, awips.nc nav. 
> mismatch Nx: 129 != 65
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD99 KWBC 121200, awips.nc nav. 
> mismatch Ny: 85 != 65
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD99 KWBC 121200, awips.nc nav. 
> mismatch La1: 7.838 != -20.826
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD99 KWBC 121200, awips.nc nav. 
> mismatch Lo1: -141.028 != -150
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD99 KWBC 121200, awips.nc nav. 
> mismatch Dx: 95250 != 381000
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD99 KWBC 121200, awips.nc nav. 
> mismatch Dy: 95250 != 381000
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD30 KWBC 121200, awips.nc nav. 
> mismatch Nx: 129 != 65
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD30 KWBC 121200, awips.nc nav. 
> mismatch Ny: 85 != 65
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD30 KWBC 121200, awips.nc nav. 
> mismatch La1: 7.838 != -20.826
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD30 KWBC 121200, awips.nc nav. 
> mismatch Lo1: -141.028 != -150
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD30 KWBC 121200, awips.nc nav. 
> mismatch Dx: 95250 != 381000
>
> Feb 12 21:37:59 gribtonc[13996]: YHHD30 KWBC 121200, awips.nc nav. 
> mismatch Dy: 95250 != 381000
>
> Feb 12 21:37:59 gribtonc[13996]: YUHD85 KWBC 121200, awips.nc nav. 
> mismatch Nx: 129 != 65
>
>  
>
> -------------
>
>  
>
> 4.  Even though I'm getting hundreds (thousands) of mismatch 
> statements I do get a large .nc file.
>
>  
>
> From there I'm tried to put it into my designated input directory in 
> the GFE/IFPS but do not see it available when I run the program.
>
>  
>
> Obviously I'm doing something wrong.
>
>  
>
> Can anyone out there help me?   Thanks in advance for any 
> comments/suggestions, etc, I really appreciate it!
>
>  
>
> -Charles
>
>  
>
> -------------------
>
>  
>
> Charles Ross
>
> Meteorologist
>
> Bonneville Power Administration
>
> 905 NE 11th Ave.
> Portland , OR 97232
>
>  
>
> 503-230-3159
>
>  
>
> address@hidden

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