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[GEMPAK #CYW-235722]: gdcross question



I can confirm that the GDCROSS code is written to only draw surface elevation 
when GVCORD is PRES.  I'm trying to make it work for HGHT and THTA but so far 
it's not an easy task.  Not the news you wanted to hear, sorry.

Michael

> Hi Darren,
> 
> Without seeing the GDCROSS input I'm making a guess about how you went about 
> this.  Did you run GDVINT to interpolate to theta levels and then run this 
> new grid file through GDCROSS?
> 
> I see what you describe when I plot a linear cross-section of temperatures by 
> the HGHT coordinate, though there are only 6 HGHT levels for TMPK in the GFS, 
> so the scope is limited, but it does not show a surface elevation 
> cross-section at the bottom, like you say.
> 
> I'm guessing that surface elevation is only designed to show for GVCORD=PRES. 
>  I'm looking at the source code and will see if I can get it to work with 
> height.
> 
> -Michael
> 
> 
> 
> > Good day-
> > I am working on putting together an isentropic analysis in GDCROSS. 
> > However, when I am plotting a cross section from across the CONUS, all of 
> > the stations are showing data down to 1000 mb. Considering the elevation of 
> > the Intermountain West, I was hoping I could get a plot that resembles what 
> > is found on the GEMPAK tutorial page 
> > (http://www.unidata.ucar.edu/software/gempak/tutorial/vertical_plotting.html#12.2)
> >  where the surface elevation is easily seen.
> >
> > Any thoughts on what I can do?
> >
> > --
> > Darren R. Clabo
> > South Dakota State Fire Meteorologist
> > O: (605) 394-1996  M: (605) 381-9253
> > address@hidden
> > http://www.ias.sdsmt.edu/clabo/index.htm
> >
> >
> >
> 


Ticket Details
===================
Ticket ID: CYW-235722
Department: Support GEMPAK
Priority: Normal
Status: Open