Dataset {
    Float32 S[S = 33];
    Float32 L[L = 1];
    Float32 X[X = 8];
    Float32 Y[Y = 8];
    Grid {
     ARRAY:
        Float32 PredErrorVars[L = 1][S = 33][Y = 8][X = 8];
     MAPS:
        Float32 L[L = 1];
        Float32 S[S = 33];
        Float32 Y[Y = 8];
        Float32 X[X = 8];
    } PredErrorVars;
} Forecast;