Dataset {
    Float32 L[L = 1];
    String C[C = 3];
    Grid {
     ARRAY:
        Float64 PROB_FCST[L = 1][C = 3];
     MAPS:
        Float32 L[L = 1];
        String C[C = 3];
    } PROB_FCST;
} PROB_FCST;