Dataset {
    Float32 Y[Y = 270];
    Float32 T[T = 12];
    Grid {
     ARRAY:
        Float64 rfe_merged[T = 12][Y = 270];
     MAPS:
        Float32 T[T = 12];
        Float32 Y[Y = 270];
    } rfe_merged;
} rfe_merged;