[gradsusr] reanalysis topographic masking

[Davide Sacchetti]

I dont' know anything about NARR, but to convert elevation to surface
pressure I use:
SP=MSLP'*exp(-9.81*elev/(287*(t2-0.0065/2*elev)))

bye bye
Davide

On Wed, 2011-09-21 at 12:09 -0700, Andrew Friedman wrote:
> Hi GrADS users,
> 
> I'm trying mask out topography below certain pressure levels when plotting North American Regional Reanalysis (NARR)  winds. Do any of you know where to find NARR elevation, or how to convert the elevation to pressure levels in GrADS?
> 
> Though I'm specifically interested in NARR, suggestions based on experience with other reanalysis products would be helpful too.
> 
> Thanks much,
> Andrew
> 
> 
> 
> 
> ----------------------------------------------------
> Andrew Friedman
> Graduate Student, Geography Department, UC Berkeley
> andfried at berkeley.edu
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> 

-- 
--> Attenzione cambio indirizzo: davide.sacchetti at arpal.gov.it
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Davide Sacchetti
Centro Funzionale Meteo Idrologico di Protezione Civile della Regione Liguria
ARPAL Unità Tecnica Complessa di livello Regionale
V.le Brigare Partigiane 2 16121 Genova (I)
tel: +39 010 6437535                    fax: +39 010 6437520
mail: davide.sacchetti at arpal.gov.it     web: www.meteoliguria.it