The primary output of the PSC Detectability model is the PSC probability forecast, reported daily for the wintertime polar region (latitudes poleward of roughly 50°) at 150, 100, 50, 25, 15, and 10 mb, derived in part from MM5 temperature forecasts. The latest forecast is displayed here (click to see forecast on all six pressure levels), and an archive for the past 90 days is shown below.