[gradsusr] How to calculate the pressure gradient

[Djordje Romanic]

Davide,

Thanks. Do you know is it possible to show the results in the vector form?

Thanks,
--
Djordje

On Wed, Aug 8, 2012 at 5:05 PM, Davide Sacchetti <
davide.sacchetti at arpal.gov.it> wrote:

> gradient:
>
> component X: cdiff(press,x)/(2*"_resX")
>
> component Y: cdiff(press,y)/(2*"_resY")
>
> being:
>   _resX='(cdiff(lon,x)/2*3.1416/180*cos(lat*3.1416/180)*6.37e6)'
>   _resY='(cdiff(lat,y)/2*3.1416/180*6.37e6)'
>
> bye bye
>
> Davide
>
> On Wed, 2012-08-08 at 10:46 +0200, Djordje Romanic wrote:
> > Dear Users,
> >
> > I have to calculate the pressure gradient in a given area (Southeast
> > Europe) and I have a pressure date at 2.5 x 2.5 degrees (reanalysis
> > data). Does anyone know how to calculate it in GrADS and how to show
> > the results in the vector form?
> >
> > Thanks in advance.
> >
> > Regards,
> > Djordje Romanic
> > _______________________________________________
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> > gradsusr at gradsusr.org
> > http://gradsusr.org/mailman/listinfo/gradsusr
>
> --
> --> Attenzione cambio indirizzo: davide.sacchetti at arpal.gov.it
> --
> 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
>
>
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