For anyone here interested, the NAM "parallel" run is available for use. There are graphics for both the operational NAM, the new NAM coming in July, and a comparison of the two. Just loooking at the latest runs today, the new NAM (parallel) seems closer to global guidance (CMC, GFS, ECMWF) near the end of the period than the operational NAM, especially with the strong PV anomaly rotating the base of the mean western trough into Alberta after 60 hrs. Notice how much deeper the parallel run is