Dataset {
  Grid {
    ARRAY:
      Float32 v[time = 120][lev = 54][lat = 1500][lon = 3600];
    MAPS:
      Float64 time[time = 120];
      Float64 lev[lev = 54];
      Float64 lat[lat = 1500];
      Float64 lon[lon = 3600];
  } v;
  Float64 time[time = 120];
  Float64 lev[lev = 54];
  Float64 lat[lat = 1500];
  Float64 lon[lon = 3600];
} OFES/OFES_CLM/MONTHLY_3D/v_vel;