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I was able to interpolate by specifying gvcord=hybl:10/pres rather than
sgma:10/pres. But I did not encounter the grid size problem that you're
reporting. For that, I need to know what version of GEMPAK you're using,
and if it was built from source or install from RPM.
GDFILE = data/gempak/model/rap/2017011216_rap130.gem
GDOUTF = out.grid
GDATTIM = first
GVCORD = hybl:10/pres
GLEVEL = 100-1000-50
MAXGRD = 5000
GAREA = 16.2810;-126.1380;55.4814;-57.3806
VCOORD = hght
GEMPAK-GDVINT> 11 Parameters found.
PRES found.
TMPK found.
HGHT found.
CWTR found.
CICE found.
RNMX found.
SNMR found.
GRMR found.
SPFH found.
UREL found.
VREL found.
11 Parameters used.
Interpolation is done. No errors.
Parameters requested: GDFILE,GDOUTF,GDATTIM,GVCORD,GLEVEL,MAXGRD,GAREA,
VCOORD.
GEMPAK-GDVINT> GEMPAK-GDVINT> GDFILE Grid file
data/gempak/model/rap/2017011216_rap130.gem
LSTALL Full list flag YES
OUTPUT Output device/filename t
GDATTIM Grid date/time first
GLEVEL Grid level 100-1000-50
GVCORD Grid vertical coordinate hybl:10/pres
GFUNC Scalar grid all
Parameters requested: GDFILE,LSTALL,OUTPUT,GDATTIM,GLEVEL,GVCORD,GFUNC.
GEMPAK-GDINFO> GEMPAK-GDINFO> GEMPAK-GDINFO> GEMPAK-GDINFO> GEMPAK-GDINFO>
GEMPAK-GDINFO> GEMPAK-GDINFO> GEMPAK-GDINFO>
GRID FILE: out.grid
GRID NAVIGATION:
PROJECTION: LCC
ANGLES: 25.0 -95.0 25.0
GRID SIZE: 451 337
LL CORNER: 16.2810 -126.1380
UR CORNER: 55.4814 -57.3806
GRID ANALYSIS BLOCK:
UNKNOWN ANALYSIS TYPE
Number of grids in file: 209
Maximum number of grids in file: 5000
NUM TIME1 TIME2 LEVL1 LEVL2 VCORD PARM
1 170112/1600F000 0 PRES PRES
2 170112/1600F000 0 PRES TMPK
3 170112/1600F000 0 PRES HGHT
4 170112/1600F000 0 PRES CWTR
5 170112/1600F000 0 PRES CICE
6 170112/1600F000 0 PRES RNMX
7 170112/1600F000 0 PRES SNMR
Michael James
Unidata Program Center
Boulder, CO
On Thu, Jan 12, 2017 at 10:58 AM, Ryan Connelly <
support-gempak@xxxxxxxxxxxxxxxx> wrote:
> New Client Reply: GDVINT: [GDVINT -15] Grid size is too large.
>
> Hi Michael,
>
> Yes, VCORD displays as HYBL (hybrid levels?) but the RAP FAQ from ESRL says
> that the model is run using sigma levels with a ptop of 10 hPa (
> http://ruc.noaa.gov/faq/RR.faq.html). I was just assuming that HYBL was a
> stand-in for sigma. If not, then what is it? Does GDVINT's GVCORD accept
> whatever HYBL is?
>
> Ryan
>
> On Thu, Jan 12, 2017 at 12:48 PM, Michael James <mjamesis@xxxxxxxxx>
> wrote:
>
> > I'm unable to find sgma vertical coordinate levels in the RAP file you're
> > using:
> >
> > 1) wget http://soostrc.comet.ucar.edu/data/grib/rap/20170112/hybrid/
> > 17011216.rap.t16z.awp130bgrbf00.grib2
> >
> > 2) cat 17011216.rap.t16z.awp130bgrbf00.grib2 |dcgrib2
> > [14630] 170112/1045[DCINIT 3] Version 7.3.1
> > [14630] 170112/1045[DCINIT -11]
> > [14630] 170112/1045[GB 1] No GEMPAK parameter name defined for this
> grid.
> > [14630] 170112/1045[DECODE_GRIB2 -34] Could not determine parameter name
> 2
> > 0 13 0 [5]
> > [14630] 170112/1045[DC 5] Normal termination.
> > [14630] 170112/1045[DC 2] Number of bulletins read and processed: 584
> > [14630] 170112/1045[DC 6] Shutting down.
> >
> > 3)
> >
> > GDFILE = data/gempak/model/rap/2017011216
> <(201)%20701-1216>_rap130.gem
> > LSTALL = YES
> > OUTPUT = t
> > GDATTIM = all
> > GLEVEL = all
> > GVCORD = sgma
> > GFUNC = all
> > r
> >
> > GRID FILE: data/gempak/model/rap/2017011216
> <(201)%20701-1216>_rap130.gem
> >
> > GRID NAVIGATION:
> > PROJECTION: LCC
> > ANGLES: 25.0 -95.0 25.0
> > GRID SIZE: 451 337
> > LL CORNER: 16.2810 -126.1380
> > UR CORNER: 55.4814 -57.3806
> > GRID ANALYSIS BLOCK:
> > UNKNOWN ANALYSIS TYPE
> >
> > Number of grids in file: 583
> > Maximum number of grids in file: 15000
> >
> > [GDU 2] Did not find any matching grids.
> >
> >
>
>
> --
> Ryan Connelly
> M.S. Student in Atmospheric Sciences, Stony Brook University
> B.S. in Meteorology with Minors in Mathematics and GIS, Valparaiso
> University
> rconne01@xxxxxxxxx
> ryan.connelly@xxxxxxxxxxxxxx
>
>
>
> Ticket Details
> ===================
> Ticket ID: MGD-944158
> Department: Support GEMPAK
> Priority: Normal
> Status: Open
> Link: https://andy.unidata.ucar.edu/esupport/staff/index.php?_m=
> tickets&_a=viewticket&ticketid=27845
>
>
Ticket Details
===================
Ticket ID: MGD-944158
Department: Support GEMPAK
Priority: Normal
Status: Open
===================
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