Dataset {
    Float32 S[S = 509];
    Float32 X[X = 56];
    Float32 Y[Y = 36];
    Grid {
     ARRAY:
        Float32 mu[S = 509][Y = 36][X = 56];
     MAPS:
        Float32 S[S = 509];
        Float32 Y[Y = 36];
        Float32 X[X = 56];
    } mu;
} Forecasts;