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Reference to Latitude



Ferreters!  

In an expression like below, how would I extract and
use the latitude of the current gridpoint (in place of
"LAT"?

let wca=((VWND[d=2,x=@SHF:1] -
VWND[d=2,x=@SHF:-1])/(2*2.77875e05*cos(LAT)))

The data I'm using is COARDS convention netCDF data
(from CDC) with lon and lat defined within.

Any assistance would be appreciated!

Bruce

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