Dataset {
    Float32 lag[lag = 30];
    Float32 Y[Y = 73];
    Float32 S[S = 4899];
    Float32 X[X = 144];
    Float32 members[members = 15];
    Grid {
     ARRAY:
        Int16 apcp[S = 4899][members = 15][lag = 30][Y = 73][X = 144];
     MAPS:
        Float32 S[S = 4899];
        Float32 members[members = 15];
        Float32 lag[lag = 30];
        Float32 Y[Y = 73];
        Float32 X[X = 144];
    } apcp;
    Grid {
     ARRAY:
        Int16 ensemble_member[S = 4899][members = 15];
     MAPS:
        Float32 S[S = 4899];
        Float32 members[members = 15];
    } ensemble_member;
} ensemble15;