The occurrence of an avalanche depends on the conditions. There is a risk of avalanche at the slope of 25°-60°, and a snow avalanche is most likely to occur at the slope of 30°-45°. In addition, the snow slopes in sunny areas are prone to snow avalanche due to the tendency to melt snow. Avalanches are also likely to occur on smooth, non-vegetated, or hillside slopes. In general, it is sunny on the next day after the snowfall, and it is prone to avalanches at 9:00 am to 10:00 am.
Usually the avalanche erupts from the top of the mountain, whizzing down from heights at a very high speed as it moves down the hill, sweeping it away with great force, until its strength on the vast plains. disappear. Once it happens, its potential is unstoppable. This "white death" can weigh up to millions of tons. Some avalanches also carry a lot of air, and this kind of avalanche is more fluid. Sometimes it can even go through the canyon and reach the hillside opposite.
The avalanche does not all fall like a snow dragon, but it also falls like a fluffy snow sheet. This is often a precursor to the collapse of whole snow blocks or massive ice blocks. If it is not avoided, it is very dangerous! An airborne avalanche will fall in a powder snowflake at a speed of 90 meters per second, sweeping away all that has passed.
Among the dangers encountered in high mountain adventures, the damage caused by avalanches is the most frequent and tragic, and often results in “all annihilation.†The people killed in the avalanche account for 1/2-1/3 of all the deaths in the mountains. However, the adventurers encounter different avalanche locations and the dangers are different. If the avalanche is in the area where the avalanche passes, the risk is smaller. If it is brought to the accumulation area by avalanche, the chance of survival is small.
How did the avalanche escape?
1. First of all, don’t panic anyway, be sure to keep calm and clear thinking, and immediately mobilize everything you know to come from, because the next second you make an escape choice often determines your fate and destiny. .
2. Then, we must refrain from the urge to escape from the mountain to escape. At the same time, please only accelerate and flee on both sides of the avalanche path.
3, do not use the ski evacuation, only when you just happen to be on the edge of the avalanche path, can use the ski way to escape quickly.
4. If the avalanche is too large to escape its path, look for a bunker or an object that can be grasped. For example, a prominent rock, please hide it against one side of the avalanche, or hold it firmly until the avalanche stops.
5. If there is nothing that you can rely on and you cannot escape, please lean forward and tighten your nose and mouth with your hands to avoid the suffocation caused by snow burial.
6. If you are unlucky to be buried in snow, the first time is to judge your own up and down position. Immediately after you confirm it, open up and block the snow that you have passed to the outside world, and you must rush to escape before the snow solidifies.
7. Regardless of whether you have escaped an avalanche, if you are injured and cannot move and you do not have a nearby partner, please do not use it as a useless struggle. Instead, you should try to reduce the loss of your own calories and wait patiently for the rescue, and always remind yourself not to fall asleep.
8. When you are escaping, do not forget about the items you carry. If necessary, we must quickly abandon the backpacks that drag your own escape speed. Because the most important thing at the moment is to save yourself.
Expert Tip: In some specific periods, snowfall, heavy fog, warm wind, earthquake and the next two or three days, it is best not to enter the avalanche danger zone. Whenever you enter the avalanche danger zone, you must not act alone.
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