netcdf omega {
dimensions:
	time = UNLIMITED ; // (18 currently)
	lev = 26 ;
	lat = 6 ;
	lon = 3 ;
variables:
	float omega_ASSIM(time, lev, lat, lon) ;
		omega_ASSIM:NMO = 6 ;
	double lev(lev) ;
		lev:long_name = "sigma level at midpoints (1000*(A+B))" ;
		lev:units = "level" ;
		lev:positive = "down" ;
		lev:standard_name = "atmosphere_sigma_coordinate" ;
	double lat(lat) ;
		lat:long_name = "latitude" ;
		lat:units = "degrees_north" ;
	double lon(lon) ;
		lon:long_name = "longitude" ;
		lon:units = "degrees_east" ;
	float omega_CTRL(time, lev, lat, lon) ;
		omega_CTRL:NMO = 6 ;
}