sdfopen /grove3/iesuw/ccm1/CCM1-CNTROLPI-MONE0510.nc
enable print hov.height-lon.prt
set grid off
set grads off
set t 1 
set z 1 12 
define uave=ave(u,lat=0,lat=90)
set y 1
set grads off
set cint 1 
d uave 
draw ylab height (sigma level) 
draw xlab longitude
draw title Meridional Cross-section of U (January, No. Hem)
print
disable print