[gradsusr] Problem reading sub-hourly WRF grib files (NCEP code table for 15/30 min records)

[Jeff Duda]

What is your time interval? If it's not fixed, that's one problem. If it is
fixed, then I don't see why regular templating wouldn't work unless the
time being written to the grib2 file is not right. But there are ways to
fix that.

Jeff Duda

On Tue, Nov 7, 2017 at 10:12 AM, Ivan Toman <ivtoman at inet.hr> wrote:

> Hello,
>
> I'm having difficulties reading sub-hourly time records from WRF grib
> files in GrADS.
>
> UPP follows NCEP code table for timing grib records - for 15 and 30
> minute records use codes 13 and 14 respectively instead of simple
> minutes. This seems to confuse GrADS (or g2ctl/gribmap, I'm not sure).
>
> What I get as result is that I can read any sub-hourly record as long as
> it is not 15 or 30 minute record. For those, I get undefined grid
> instead of data.
>
> I use this workflow for postprocessing: wfrout >(UPP)> grib1 >(cnvgrib)>
> grib2 >(g2ctl,gribmap)> GrADS
>
> Does anybody know what is going on there?
>
> Thank you in advance
>
> Ivan Toman
>
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-- 
Jeff Duda
Post-doctoral research fellow
University of Oklahoma School of Meteorology
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