Dataset {
    Float32 Sh[Sh = 360];
    Float32 L[L = 1];
    Grid {
     ARRAY:
        Float32 hindcast_length[L = 1][Sh = 360];
     MAPS:
        Float32 L[L = 1];
        Float32 Sh[Sh = 360];
    } hindcast_length;
} hindcast_length;