[gradsusr] Problem with Ensemble Files

[Tom Hultquist]

Jennifer,

Ok, I tried the latest g2ctl.pl, but ended up with the same issue. Also,
just an FYI, I'm using wgrib2 version 1.9.7a

tom


On Sun, Jan 19, 2014 at 8:39 PM, Jennifer Adams <jma at cola.iges.org> wrote:

> Tom,
> Can you please provide the source of your grib files, and the descriptor
> file that doesn't work? I can't resolve a problem that can't be reproduced.
> It would also be useful to know the version of GrADS and g2ctl you're using.
> --Jennifer
>
> On Jan 19, 2014, at 3:12 PM, Tom Hultquist wrote:
>
> I have a set of files with different initial times, whose forecast times
> overlap so that I can use them as an ensemble dataset. I am using g2ctl.pl with
> the -ens option, and it is creating a proper ctl file. I thought everything
> was working fine, but then noticed some oddities in a few calculations I
> was doing. So, I decided to view data from each member interactively in
> GrADS, using the ctl file which was created by g2ctl.pl. For some reason,
> it would not display anything from the third ensemble member (entire grid
> undefined). There was, however, nothing wrong with the file, since it
> worked fine if viewed individually outside of the ensemble set. In
> addition, when a new ctl is created later, and that member 3 became member
> 4, it no longer caused a problem. However, the "new" member 3 (which was
> previously member 2) had the same issue. When looking at the gribmap
> feedback (with -v turned on), I can see it runs into issues with valid
> times being outside of file limits (which indeed is true, since the files
> overlap, but don't cover the exact same time frame as member 1). When
> gribmap has this error, it shows it= (e.g. it=10) vs t= for the valid time
> conflict. I couldn't find any info on what it= references. The same error
> happens with subsequent files (members 4-20), but gribmap appears to scan
> those files twice and they display properly for me.
>
> Has anyone experienced anything like this, and/or have any suggestions?
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> Jennifer M. Adams
> Center for Ocean-Land-Atmosphere Studies (COLA)
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