[Wrf-users] interpolating to height above ground

Craig Mattocks mattocks at mac.com
Tue Nov 23 15:32:45 MST 2010

You can try this WRF utility:


It has namelist options for linear in p, linear in log(p), and underground/aloft extrapolation.

Just be aware that it is lacking robustness in some of its calculations, so you may have to set range limits in certain places to prevent overflows/underflows.


On Mon, 22 Nov 2010 at 11:20:48 +0000 Sam Hawkins <s.hawkins at ed.ac.uk> 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.
> -- 
> The University of Edinburgh is a charitable body, registered in
> Scotland, with registration number SC005336.

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