Be aware of how your body feels and if you start to get cold, take actions immediately to stay warm and dry. Also, be aware of how your climbing partners are doing. Any strange behavior or inability to walk a straight line should alert you to a person's deteriorating condition and the need for immediate action. Above all, do NOT eat snow to keep hydrated. It decreases your body's core temperature and requires heat energy to melt the snow.
Symptoms are fits of shivering, slurred speech, memory lapses, drowsiness, lurching walk.
Results from lowering of the body's inner temperature. Caused by exposure to cold, wind, wet, and over exertion. Keep the victim dry, warm, and out of the wind, giving them warm fluids unless internally injured. Death can result from hypothermia. Disorientation due to ground level clouds and zero visibility.