They handle all right and in the deep stuff they handle like BFGs do and as with anything tire you need to leave enough room to stop but they do get going fine and the rear end is easy to control as in it the Nittos don't seem to have a tendancy to keep the rear end where it belongs.
Last year did get a little rediculous since we had several storms in a few weeks top at least a foot and a half each time and this lasted from just before Christmas til the middle of January. We got something like 55" in that time period which is quite rare for Denver.