[gradsusr] Cannot Contour Grid - all undefined values error

Tue Jun 6 16:07:50 EDT 2017

Hi Jennifer,

I don't know what my descriptor file is.

Sorry again.

Bill

On Tue, Jun 6, 2017 at 8:50 AM, Jennifer M Adams <jadams21 at gmu.edu> wrote:

> There is no need to apologize for being a novice. You may find this doc
> page on how GrADS deals with GRIB data useful:
> http://cola.gmu.edu/grads/gadoc/grib.html
> Please see more comments inline.
>
>
> > On Jun 6, 2017, at 11:34 AM, William Rasch - NOAA Federal <
> william.rasch at noaa.gov> wrote:
> > I grabbed one of the files, only one, then cat'ed that to the efi.master
>
> I would haved run g2ctl on just the one file, before cat’ing it to
> 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:
>
> In general, it would be better to send the actual text instead of an image
> of it.
>
> >
> > <image.png>
> It doesn’t look you got a MATCH for any of the records in your file.
> What is in your descriptor file?
>
> —Jennifer
>
> >
> > 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
> >
> >
> >
> > --
> >
> > William Rasch
> > Science and Operations Officer
> > Weather Forecast Office
> > Sacramento, CA
> > _______________________________________________
> > 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
>
>
>
>
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>

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