netcdf foo { // example netCDF specification in CDL

dimensions:
lat = 10, lon = 5, time = unlimited;

variables:
  int    lat(lat), lon(lon), time(time);
  float  z(time,lat,lon), t(time,lat,lon);
  double p(time,lat,lon);
  int    rh(time,lat,lon);

  lat:units = "degrees_north";
  lon:units = "degrees_east";
  time:units = "seconds";
  z:units = "meters";
  z:valid_range = 0., 5000.;
  p:_FillValue = -999.;
  rh:_FillValue = -1;

data:
  lat   = 0, 10, 20, 30, 40, 50, 60, 70, 80, 90;
  lon   = -140, -118, -96, -84, -52;
}