1. Overcrowding: There was an unusually high number of climbers on Everest in 1996, with several commercial expeditions operating simultaneously. This led to congestion on the mountain, particularly in the "death zone" above 8,000 meters, where climbers are more susceptible to altitude sickness and other health problems due to the extreme conditions.
2. Inexperience: Many of the climbers on the 1996 Everest expedition were inexperienced and had not properly trained or acclimatized to the high altitude. Some lacked the necessary skills and equipment to deal with the challenges of climbing at high altitudes.
3. Poor decision-making: Some expedition leaders made questionable decisions that put climbers at risk, including choosing to climb during a period of bad weather and pushing for the summit despite the known risks.
4. Lack of communication: There was a lack of effective communication between the different expeditions and with base camp, which made it difficult to coordinate rescue efforts and provide assistance to climbers in distress.
5. Weather: The weather conditions during the 1996 Everest expedition were particularly harsh, with high winds and snowstorms that made climbing even more dangerous.
6. Altitude sickness: Altitude sickness is a common problem for climbers at high altitudes and can cause a range of symptoms, including headaches, nausea, vomiting, and shortness of breath. In severe cases, altitude sickness can be fatal.
7. Exhaustion: The physical demands of climbing Everest, particularly in the "death zone," can lead to exhaustion and fatigue, which can cloud climbers' judgment and increase their susceptibility to accidents and altitude sickness.
8. Insufficient oxygen: Supplemental oxygen is essential for climbers at high altitudes, where there is less oxygen in the air. Running out of oxygen or having inadequate oxygen supply can be fatal.
The combination of these factors contributed to the tragic events of the 1996 Mount Everest expedition and highlighted the risks associated with climbing the world's highest mountain.