[Wrf-users] interpolating to height above ground

[Keller Johannes]

Hi Sam,

I use the staggered geopotential in the WRF history file wrfout....  
Height in m asl is (PH+PHB) / 9.81. Subtract terrain height HGT to get height in m agl.

Regards

Hannes

 
On Nov 22, 2010, at 12:20 PM, Sam Hawkins wrote:

> Dear WRF users,
> 
> I want to interpolate WRF output from eta levels to heights above the
> model terrain height.  I need the code to be relatively fast, and
> ideally write to netcdf files. My eta levels are quite closely spaced,
> so I could probably get away with linear interpolation between levels.
> 
> Does anyone know whether there is any existing tool which will do this
> (it seems GEMpak might have this functionality), or (b) are there any
> tools, such as the netcdf operators or climate data operators which
> might be adaptable to do this.
> 
> Sam.
> 
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Dr.Johannes Keller 
Paul Scherrer Institut (PSI)
Laboratory of Atmospheric Chemistry (LAC) 
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