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A. Still have to prepare for an avalanche
First study the route of your choice, identify possible hazards, judge the overall weather, maps, and locals' advice, try to do a snow layer stability test on the route, compare the advantages and disadvantages of the second choice, and if any usefulness is missed. Information. Look for detailed weather information to increase the accuracy of the judgment. Snowfall, time, speed, wind direction, clouds... If there is local weather forecast, it will be more helpful.
Understand the team members’ ability to make sure that everyone can follow the plan and not to disassemble the team. Trapping the team often causes tragedy; the number of teams is the best around 4 people, and more than 6 people are not easy to make decisions. Easy to take care of each other. The team should have search and rescue and first-aid capabilities. Should the avalanche take away teammates, other team members should immediately launch an emergency rescue plan.
When you plan a trip, you should set aside a few more days for bad weather so that you do not get caught in a dangerous situation. In many cases, it is because the schedule of the plan forced the team to make unreasonable wrong decisions and lead to mountain hardship.
B. Utilize terrain advantages and avoid dangerous areas
There are many kinds of terrain advantages. For example, choose the route that faces the wind surface instead of the lee surface, the valley that is far from the four sides of the mountain, and pay attention to the gradient change of the slope.
The common mistakes in route selection are:
Ignoring the subtle changes in the slope of the snow slope, the same slope has been reduced from steep to steep, and its danger has gradually increased. Sometimes the slope is only a few degrees, and the danger is very different.
The route is on dangerous ridges (snow sloughs), snow slopes (song snow, snow avalanche), valleys (avalanche accumulation areas), and glaciers below. It is dangerous not to know.
The route passed through the edge of the avalanche zone, and the small collapse caused a large avalanche and involved the team.
How to choose a safe route
Careful selection of a route can greatly reduce the risk of avalanches; if you have to go through a dangerous area and choose the right road training, it may still take you through the crisis. When no one climbs, the route is straight forward. We always go back and search for the best route. Sometimes the route is a few meters away and there is a big difference. The difference between steps is the difference between safety and danger. There are three principles to follow when choosing a route: a. Still to prepare for an avalanche, b. Use topographical advantages, c. Minimize exposure to hazardous areas, and take corrective actions.