>>2246666Is it's blowing under and you have a super low pitch already, you start doing like
>>2246754 says with putting snow over the edges (you do this with large canvas tents too) or if you have more time build a sort of fence of snow outside around the tarp.
Many time if you're in snow you can dig down a bit too, build yourself a sort of tree well into to snow to put the tarp over. Then of course you want a thicker camp pad or use some pine branches or large sticks to build a bed.
