[gradsusr] Cannot Contour Grid - all undefined values error

[William Rasch - NOAA Federal]

Hi Jennifer,

Thanks for helping.  I'm very much a GrADS novice so I apologize.

I grabbed one of the files, only one, then cat'ed that to the efi.master

Ran:  g2ctl  efi.master.ctl

Then, did a gribmap -v efi.master.ctl

It then prompted me the "descriptor file", and I entered:  efi.master.ctl

The feedback from that was this:

[image: Inline image 1]

I then tried to display tmp2m and got the same error.

Thanks for any additional help and again, sorry for my incompetence with
this.

Bill

On Mon, Jun 5, 2017 at 6:20 PM, Jennifer M Adams <jadams21 at gmu.edu> wrote:

> Hi, Bill -
> I find that the g2ctl output often needs a few tweaks to get evertyhing
> right and some variables need a fourth grib code in the units field in
> order to match properly. You also appear to be concatenating files with
> different time stamps and this may be confusing the issue. Try setting up
> your descriptor with only one file, and run gribmap in verbose mode (with
> the -v) and look at what is matching/not matching. If records don’t match
> what’s in your descriptor, gribmap will show you what the entry should
> contain. Once you are matching all the records in one file, then add the
> templating for multiple time steps. If it’s still not working please send
> your descriptor and the gribmap verbose output.
> —Jennifer
>
>
>
> On Jun 5, 2017, at 11:33 AM, William Rasch - NOAA Federal <
> william.rasch at noaa.gov> wrote:
>
> > Hi,
> >
> > I have what would seem to be a very simple data-set and "variable" I'm
> trying to plot wiht GrADS.
> >
> > The grib files are located here...
> >
> > ftp://ftp.cdc.noaa.gov/Public/gbates/reforecast2/efi_grib2/
> pctile.2017060500.000_to_024hrs.grib2
> >
> > I am simply downloading several of these files, then do this:
> >
> > cat * > efi.master
> > g2ctl efi.master > efi.master.ctl
> > gribmap -i efi.master.ctl
> >
> > I'm simply trying to plot either:
> >
> > temp2m
> > wind10m
> > apcpsfc
> >
> > When I try to display the data, I get the error:
> >
> > Cannot Contour Grid - all undefined values
> >
> > Thanks for any help....
> >
> > Bill
> > _______________________________________________
> > gradsusr mailing list
> > gradsusr at gradsusr.org
> > http://gradsusr.org/mailman/listinfo/gradsusr
>
> --
> Jennifer Miletta Adams
> Center for Ocean-Land-Atmosphere Studies (COLA)
> George Mason University
>
>
>
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>



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William Rasch
Science and Operations Officer
Weather Forecast Office
Sacramento, CA
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