Dataset {
    Float32 L[L = 3];
    Float32 T[T = 3];
    Grid {
     ARRAY:
        Float64 hindcast_date[L = 3][T = 3];
     MAPS:
        Float32 L[L = 3];
        Float32 T[T = 3];
    } hindcast_date;
} hindcast_date;