Traditional Culture Encyclopedia - Weather inquiry - A mountain fire in Yuanling, Hunan Province burned for two days, and the fire is now under control! How was this mountain fire put out?
A mountain fire in Yuanling, Hunan Province burned for two days, and the fire is now under control! How was this mountain fire put out?
What are the factors that cause mountain fires?
Meteorological factors such as temperature, humidity, precipitation and wind speed are the main factors that cause wildfires. Hot and dry weather is more likely to cause fires. Dry wind can also change thermal convection, accelerate the spread of fire, add oxygen to the fire, and accelerate combustion. In 20 19, Australia was very dry, with the highest average temperature and the lowest rainfall in the world. The turnover reached a record high. Reducing the moisture content of fuel in forest is the main cause of wildfire. Of course, the accumulated volcanic eruption, peat fermentation, and even the tiny sparks generated by the collision of rolling stones will also cause wildfires.
Pay attention to the terrain near the fire.
Pay attention to the changes of fire behavior caused by different terrain features. The change of terrain such as slope, position and aspect will affect the change of meteorological factors such as temperature, humidity, wind direction and wind speed, the change of vegetation type, drought and soil moisture, and then affect the change. In the forest fire. The greater the slope, the faster the fire spreads upward, and the opposite is true for downward spread. With different slopes, the probability and spread range of wildfire are different, and the fire safety level is also different. For example, in steep canyons, single-mouth valleys and saddles, strong winds, high temperatures and smog often form. ?
How to escape from the mountain fire?
Generally speaking, the escape route should be downwind, or shoot directly down the mountain. Never run with the wind, because it won't catch fire. Once surrounded by fire, cover your nose and mouth with wet clothes, avoid the siege of fire against the wind, and then fall to the ground after the fire has passed. If you rush too fast, you can simply choose to lie down and choose a relatively open area facing the ground to avoid exposing your skin. When the fire goes out, put out the sparks on you. The place where you choose to lie down should not be a low-lying area, because the smoke in low-lying areas is easy to accumulate and suffocate.
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