Just do it, ahhbiously it way better with over knee deep snow, but if its like a couple inches, just get a nice steep landing and don't catch tips and you'll at worse slide out on your tails to your back, but it shouldn't be too hard to stomp if the landing is decent.
Fire-Spitting Winged Triceratops: Bad
Armada Skis: Good
Buy Smith, and my stuff! http://newschoolers.com/web/forums/readthread/thread_id/290457/