Everyone should also have seen the news that 8 people in the Guangdong area had gone rafting and encountered flash floods. While we expressed a moment of silence for the victims, the issue concerning mountain torrents once again mentioned the desktop.
I remember the video of the five people who washed away in the Longyan Waterfall in Jieyang in the end of the year. In just a few tens of seconds, several ALICEs were washed away by flash floods. They were shocked by the scenes they were photographed. They were also suggested at that time. "The stream is muddy, only about 30 seconds can escape" argument, Xiao Bian is still aware of this topic, so he told everyone about the flash floods.
There is no problem with the saying that "the stream is muddy and it only takes about 30 seconds to escape," but it is difficult to say how strict it is in 30 seconds.
In different environments, the time from the discovery of changes in the stream to the arrival of the flood peak will also be different, but it will not exceed a few minutes.
There are generally several features:
1. The original clear stream becomes cloudy
2. The flow rate increases, the water level rises, but it is still not obvious
3. Along with the above phenomenon, there may be water bubbles, small leaves, etc.
4. Before the advent of mountain torrents, there will be a relatively obvious wind blowing from the upper reaches of the river. The wind is very humid.
5. The final is a roar. If you haven’t evacuated at this time, it will basically be finished.
This type of flash flood is generally caused by heavy rain in the upper reaches of the river. A large number of precipitation flows into the valleys of the river through the surface and then forms a flood peak. The peak of the flood will advance in the valley and will form a small flood in front of the main flood peak. This phenomenon is a life-saving straw. If you grasp it, you will be able to live. If you can't catch it, you will die. You know, you don't need very deep water. Even if you just go to the knee, as long as the flow rate is fast enough, people cannot stand in the water.
In the wilderness of Beye’s Wilderness, he had experienced a sudden flash flood with the cameraman. He also used this phenomenon to timely withdraw and save his life.
It can be started from 15 minutes and 30 seconds.
What we should really learn from this video is the smallness of human beings in front of natural forces. We must learn to fear nature and always have a high vigilance for the nature, always pay attention to changes in the surrounding environment, identify the signs of danger, and immediately The decisive change took away from the current danger and went to safety.
Now in the midsummer, rivers and river rafting are popular outdoor activities in summer. Every year, people who are involved in similar accidents in summer are by no means small. what is the reason? On the one hand, there is a lack of knowledge to identify dangers, and on the other, there is a lack of will to act immediately. Before the natural interface, people did not fight back. Learn more relevant knowledge, raise awareness of danger, and face any unexpected circumstances, you must take every possible measure to get yourself out of danger. Always remember that people cannot win.
As with mudslides, the way to avoid torrents is to evade the high ground on either side of the river. If it is a cliff, then use all possible efforts to climb up and avoid it. I also made two drunk pictures.
Even if it is a tree branch with a long thorn in front of it, it is also necessary to bite a tooth to climb, as the user who experienced the flash flood said.
Finally, a few words are reminded: There is a high risk of splashing in the rainy season, rivers, beaches, mountains, deep valleys, rivers, rocks, and beaches are high-risk areas that are prone to sudden floods and must not be rushed to. According to ancient wisdom, a gentleman must not be under a dangerous wall.
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