Array dimension reduction

All-
I am running the wrf regional climate model and I am trying to create
monthly average wind speed and wind vectors at 850 hPa.

I am using the wrf_PressureLevel1.ncl script with some modifications. I am
trying to do this:
savg = dim_avg(sped(level,:,:,:)) ; this works
ss = savg(0,:,:) ; this does not work error=number of subscripts do not
match

ss is a 2d variable and savg is a 3d variable. The Array Dimension
Reduction page says that is you specify the first element, then the array
size reduces by 1. What is the simplest way to take a 3d array and make it
2d (for the rightmost 2 dimensions)?

-- 
James Correia, Jr. PhD.
Email: jimmyc @ iastate.edu
Email: jimmyc42 @ gmail.com
Web: http://bruce.agron.iastate.edu/jimmyc/
*********************************************
"Wisdom. Strength. Courage. Generosity. Each of us are born with one of
these. We must find the other three inside of us."
from "Into the West"
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