Dataset {
    Float32 T[T = 12];
    Float32 T2[T2 = 34];
    Grid {
     ARRAY:
        Float32 hindcast_date[T = 12][T2 = 34];
     MAPS:
        Float32 T[T = 12];
        Float32 T2[T2 = 34];
    } hindcast_date;
} hindcast_date;