Dataset {
    Float32 S[S = 7];
    Float32 X[X = 64];
    Float32 Y[Y = 46];
    Grid {
     ARRAY:
        Float32 PredErrorVars[S = 7][Y = 46][X = 64];
     MAPS:
        Float32 S[S = 7];
        Float32 Y[Y = 46];
        Float32 X[X = 64];
    } PredErrorVars;
} Forecasts;