[gradsusr] gribmap with GRIB2

[Jennifer Adams]

Support for PDT 4.10 will probably require some additional grib codes, something similar to the handling of the probability forecasts (templates 4.5 and 4.9). Can you point me to a data sample? 
—Jennifer

On Oct 9, 2014, at 3:42 AM, Gebhardt Christoph <Christoph.Gebhardt at dwd.de> wrote:

> Dear all,
>  
> just an information:
>  
> I tried to use gribmap with GRIB2 input and Product definition template 4.10 (Percentile forecasts at a horizontal level or in a horizontal layer on a continuous or non-continuous time interval).
> The template 4.10 was not accepted by gribmap.
>  
> It seems to me that the current implementation in GrADS versions 2.0.2 and 2.1.a2 (I did not check 2.1.a1) is only partially prepared for PDT 4.10.
> I could make it running with a simple change of source code in gagmap.c
>  
> When setting the reference time in the section
> /* For fields that are statistically processed over a time interval
>        e.g. averages, accumulations, extremes, et al. */
> I changed the 'else if'-line by adding gfld->ipdtnum==10 to
>  
> else if (gfld->ipdtnum == 8 || gfld->ipdtnum==9 || gfld->ipdtnum==10 || gfld->ipdtnum==11 || gfld->ipdtnum==12)  {
>  
> and added the line
>  
> else if (gfld->ipdtnum==10)  endyr_idx=16;
>  
> Later on in the source code in gaint g2sp (Gets the statistical process used to derive a variable.), the PDT 4.10 has been correctly take into account in the standard source code of gagmap.c
>  
> Best regards,
> Christoph.
>  
>  
>  
>  
> =============================================================
> Dr. Christoph Gebhardt
> Forschung & Entwicklung // Research & Development
> Referat Vorhersagbarkeit und Verifikation // Section Predictability & Verification
> christoph.gebhardt at dwd.de
> Tel: ++49-69-8062 2743
> Fax: ++49-69-8062 3721
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--
Jennifer M. Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
111 Research Hall, Mail Stop 2B3
George Mason University
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