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

[Ivan Toman]

Jennifer,

This is on concatenated grib2 files (1 hour total time, 10min intervals):

descriptor file created by lastest g2ctl:
https://pastebin.com/QHQt4bS4

gribmap output:
https://pastebin.com/J6yCAVMW

GrADS veersion is OpenGrads 2.0.1.oga.1 64bit on linux.

Thank you
Ivan

P.S.
I still need to get some time to try Wesley's and Jeff's suggestions.




On 11/08/2017 12:49 AM, Jennifer M Adams wrote:
> Ivan,
> 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?
> —Jennifer
>
>> 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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