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

Jennifer M Adams jadams21 at gmu.edu
Tue Nov 7 18:49:29 EST 2017

Could you please send your descriptor file and the output when you run "gribmap -v"on it? Also, which version of GrADS are you running? 

> On Nov 7, 2017, at 11:12 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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Jennifer Miletta Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
George Mason University

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