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19990701: stability calculations considering elevation

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  • Subject: 19990701: stability calculations considering elevation
  • Date: Thu, 01 Jul 1999 16:09:24 -0600
>From: Matt Fearon <address@hidden>
>Organization: .
>Keywords: 199907011855.MAA22598

>I am attempting to calculate stability or temperature lapse
>rate in layer intervals from the surface up to 500mb for
>individual grid points at each forecast hour using the
>eta model.
>
>The layer sections would be:
>sfc to 900mb, 900mb to 800mb, 800mb to 700mb etc.. up to
>500mb
>However the region I am considering is over California
>so elevation issues arise. At some grid points the surface
>may be 1000mb and at others it could be as high as 820 mb.
>I guess my overall question is: how can I calculate stab(tmpc)
>in layer sections for individual grid points at each forecast hour
>over CA considering elevation?
>
>I have been tinkering with the gdlist program and trying to use
>hagl coordinates, but I have been unsuccessful in calculating layer
>sections with hagl. It seems pressure coordinates work, but
>considering the surface becomes a problem that way.
>I would greatly appreciate any advice.
>
>Thank you,
>Matt Fearon
>address@hidden
>
>
>

Mat,

I replied to your previous question using GDPROF to plot and list out the
profile at a point. The gddiag calculations compute the STAB at each layer
in a script. 

Steve Chiswell
Unidata User Support