The Technique of Travel : Page 135
If it becomes essential to travel in storm, the following precautions should be taken:
Set up an "autocratic" leadership. Choose a competent leader and adhere to his decisions. Keep together.When the route is in doubt, no good will result if theparty scatters in all directions looking for it. Confusionfollows, sometimes chaos; at best, much time is lost. Ifsearch for the route requires separation, members ofthe party should keep within calling distance of eachother—and keep calling.
Analyze the route of escape, the dangers of new-snow avalanches. Develop some plan, with alternatives,for using that route.