The main enemy of the person in distress in the winter in the North, — cold, from the first minutes. Fighting the cold — the main task and the problem of autonomous human existence in the Arctic.
Of course, of great importance is clothing. Warmer than it is, the longer people will be able to withstand the polar cold.
Possible emergency situations:
accident snowmobiles, ATVs, helicopters;
forced landing or a plane crash;
drop while riding a sled dog or reindeer (if
dog or deer with sledges escaped), etc.
In all these cases, except the last, of the victim or victims have at least some items, equipment and minimal emergency supplies, not to mention the possibility of communication (radio, rocket launcher, etc.). In addition, in any case, need to hold a few hours to a few days — until rescuers come.
Thus, in the foreground building a temporary shelter from the cold and wind.