[gradsusr] converting omega to vertical velocity

[Alireza Azargoun]

thnx Tereza

but I don't understand it. did you mean that my answer [W=0.00912 (m/s)]
is not (m/s) and it's in (cm/sec)!? supposing that isn't a 0.912 cm/sec a
low speed vertical velocity airflow!? if there's any reference on this
subject I'll be glad if you anyone notify me about it.

On Wed, Nov 16, 2011 at 4:18 AM, <tcavazos at cicese.mx> wrote:

> Hi
>
> The usual unit (magnitude) of vertical velocity is in cm/seg.
> So, it is fine.
>
> Cheers,
> Tereza
>
> > Dear GrADS users
> > Hi
> >
> > I'm recently working on a project about the vertical speed of air in
> > different elevations. I'm using CFSR data in grb2 format. these data sets
> > have omega (Pa/s) instead . I tried to convert them to vertical velocity
> > (m/s) using this equation:
> > omega=  - rho * g * w  ( or omega=- (P/RT) *g * w )
> > but the results in (m/s ) are in the order of 10^-3. I know it's not a
> > Grads problem. but I'm an aerospace student and I need to find out if
> > anything is wrong with this equation or the results or not. ( I'm not
> > really familiar with meteorology!)
> >
> > for example:
> > if  omega= 0.10595
> > & g=9.807
> > & R=287
> > & P= 100000 Pa
> > & T=294.27
> > resulted value is W=0.00912 (m/s)
> >
> >
> > Thanks in advance,
> > Alireza
> > _______________________________________________
> > gradsusr mailing list
> > gradsusr at gradsusr.org
> > http://gradsusr.org/mailman/listinfo/gradsusr
> >
>
>
> --
> Tereza Cavazos
> Departamento de Oceanografia Fisica
> CICESE
> Ensenada, Baja California, MEXICO
> http://usuario.cicese.mx/~tcavazos/
>
> _______________________________________________
> gradsusr mailing list
> gradsusr at gradsusr.org
> http://gradsusr.org/mailman/listinfo/gradsusr
>



-- 
Alireza Azargoun
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://gradsusr.org/pipermail/gradsusr/attachments/20111116/038fd70c/attachment-0003.html