Dataset {
  Grid {
    ARRAY:
      Float32 pv[time = 24800][lev = 18][lat = 145][lon = 288];
    MAPS:
      Float64 time[time = 24800];
      Float64 lev[lev = 18];
      Float64 lat[lat = 145];
      Float64 lon[lon = 288];
  } pv;
  Float64 time[time = 24800];
  Float64 lev[lev = 18];
  Float64 lat[lat = 145];
  Float64 lon[lon = 288];
} alera2/stream2010/plev/anal/sprd/yyyymmddhh_pv;