Originally Posted By: AKSAR
... igloo, classic snow cave or any one of an infinate number of other improvised snow shelters will be a much warmer way to spend the night.

Talking about winter shelter building, I've been looking at adding a compact snow shovel (something like the Voilé XLM maybe) to my pack, even for day outings.
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Victory awaits him who has everything in order — luck, people call it. Defeat is certain for him who has neglected to take the necessary precautions in time; this is called bad luck. Roald Amundsen