Hazards
Whiteout conditions pose threats to mountain climbers, skiers, aviation, and mobile ground traffic. Motorists, especially those on large high speed routes are also at risk. There have been many major multiple-vehicle collisions associated with whiteout conditions. One motorist may come to a complete stop when he or she cannot see the road, while the motorist behind is still moving.
Read more about this topic: Whiteout (weather)