[gradsusr] gribmap with GRIB2

[Wesley Ebisuzaki - NOAA Federal]

Christoph,

Instructions:
http://www.cpc.ncep.noaa.gov/products/wesley/alt_g2ctl_gmp.html
programs: http://www.ftp.cpc.ncep.noaa.gov/wd51we/alt_gmp/

Wesley



On Mon, Oct 13, 2014 at 3:42 AM, Gebhardt Christoph <
Christoph.Gebhardt at dwd.de> wrote:

>  Wesley,
>
>
>
> I didn't find alt_g2ctl and alt_gmp in our standard GraDS installation.
>
> Where can I get it?
>
>
>
> Christoph.
>
>
>
> *Von:* gradsusr-bounces at gradsusr.org [mailto:gradsusr-bounces at gradsusr.org]
> *Im Auftrag von *Wesley Ebisuzaki - NOAA Federal
> *Gesendet:* Donnerstag, 9. Oktober 2014 17:00
> *An:* GrADS Users Forum
> *Betreff:* Re: [gradsusr] gribmap with GRIB2
>
>
>
> Christoph,
>
>    Was alt_g2ctl and alt_gmp able to handle template 4.10?
>
> Wesley
>
>
>
> On Thu, 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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>
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>
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>
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>
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>
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