the poster knows his stuff. and he has seen this before many times, so have i. i have been saying the ceiling around here has been about 6 in my lifetime for these kinds of events, however, nws seems convinced a wall of heavy snow is coming first, making this one different. i have seen a foot of snow pile up really fast a few times, jan 1987 comes to mind, a disaster on a weekday no one was ready for. hand over my heart i expect 5-6 out of this out here, but won't discount experts who think it could be more.