dset /data/clima/EBUDIR/output/ENS/upp850.gdat 
*indset /data/clima/oper/nmme4/grads/input_g 
undef 9.999e+20 
title avn model 
xdef  241  linear  -10.0 0.25 
ydef  101  linear   28.0  0.25 
tdef 860 linear 00Z01dec1981 06hr 
zdef 1 levels 850 
vars 1 
t  1 11,100,850   !130,t,na 850mb             
endvars