Well, Chuck, I think the avy danger chart up there assumes a backcountry traveler to have atleast rudimentary knowledge of avalanches and avalanche terrain and to perhaps (oh my god) use some of their own judgment in determining such things, incorporating such factors as how much one is personally willing to risk, recent weather, line of ascent, ski ability, etc.
For some slopes, I don't think ANWAC is going be able to tell you specifically whether to ski it or not. You need to use their data and information and decide for yourself.