Calculating & displaying meridional stream function

[Charles Seman]

Tim,

Check out these links:

ftp://grads.iges.org/grads/sprite/udf/
ftp://grads.iges.org/grads/sprite/udf/README.psichig
ftp://grads.iges.org/grads/sprite/udf/psichig.tar

I hope this helps,
Chuck

Miller, Tim wrote:
> Hi all,
> I have global wind data at 1.25 degrees resolution and need to calculate
> and display a mean meridional wind stream function in GrADS.  I'm
> calculating a zonal mean meridional wind as vbar=ave(v,x=1,x=288) and can
> display it.  Then I want to calculate and display psi, where psi(z)=psi(z-
> 1)+vbar(times weighting factor).  I'm having trouble figuring out a way to
> structure this within GrADS.  Psi needs to be a 2-D array, but I want to
> calculate it one level at a time, referring to the result of the level
> below.  Any suggestions, or a script for me to use?  Thanks.
> Tim Miller
> NASA/MSFC
>

--

Please note that Charles.Seman at noaa.gov should be considered my NOAA
email address, not cjs at gfdl.noaa.gov.

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