Dataset {
  Grid {
    ARRAY:
      Float32 ssta[time = 600][lat = 181][lon = 360];
    MAPS:
      Float64 time[time = 600];
      Float64 lat[lat = 181];
      Float64 lon[lon = 360];
  } ssta;
  Float64 time[time = 600];
  Float64 lat[lat = 181];
  Float64 lon[lon = 360];
} ssta;