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The dragon sucks the water "to the **? If it's in the ocean, is it freshwater or saltwater?
It seems that every time the "dragon absorbs water" will become a big news that is scrambling to report, just like this time the dragon sucked water on the surface of Longtan Lake in Jiujiang, Jiangxi Province, which went viral on the Internet.
However, this natural phenomenon is not uncommon, its scientific name is a waterspout, which is actually a tornado that forms on open water, and can occur in oceans, lakes, and even rivers.
This slightly mythical phenomenon is usually much weaker than most tornadoes and is short-lived, but it can also be somewhat destructive.
How waterspouts are formed
Waterspouts usually occur in the tropics, but they can also occur anywhere else there is open water.
It forms much like a tornado, on the surface of the water, when there is a pressure difference between the surrounding and the middle (the surrounding area is higher than the middle), as long as this difference reaches a certain level, the water vapor will be squeezed into the middle to form a waterspout.
In general, waterspouts are formed slowly along the flat base of a cumulus cloud, while the mist on the surface of the water begins to circulate and develop upwards.
When the base of the Cumulus cloud meets the rising water mist, the water and the sky meet, a feeling of Optimus Prime that gives people the illusion of "absorbing water".
In this case, a waterspout tends to only happen in the case of a light breeze, so it doesn't move much and lasts for a short time.
However, there is another phenomenon that sometimes occurs when a real tornado "passes" over the water, which is not the same as when it forms directly on the water.
While both types of waterspouts are similar in appearance, the second is more destructive, lasts longer, and is often accompanied by storms.
The water column of a waterspout is water vapor, not really "absorbing".
Knowing how a waterspout is formed, it's easy to understand that it's not actually absorbing water at all, it's just that water vapor is gathering together like dust.
Before the waterspout formed, we first saw a "funnel cloud" hanging at the base of the cloud. This funnel cloud is made of pure water because, like all clouds, it is formed by the condensation of water vapor in the air into water droplets.
In places not very high above the ocean, many of the water droplets in the whirlpool will be seawater, which is caused by the strong whirlpool currents of the waterspout.
However, it is still very small compared to the number of droplets already in the clouds, and it will only be on the surface of the water, almost never entering the clouds.
So, if you're getting wet with the mist of the dragon up close, you're definitely not going to taste the saltiness.
Waterspouts are common in places where thunderstorms are frequent over large bodies of water. It is said that 400 to 500 waterspouts can be seen each year in Florida, USA.
Although waterspouts are common and short-lived, they can be destructive, and if not in exceptional circumstances, they can be appreciated from a distance.
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The sea water that is sucked up by the wind will fall on the spot when the wind stops, but the water does not decrease or disappear from the beginning to the end, and remains in the natural water cycle.
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It's still in the atmosphere, but it will become a state of rain and decompose, and the dragon will not absorb a lot of water.
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In nature, the water sucked by a dragon is sucked into the sky by a tornado. The phenomenon of dragon water absorption is caused by huge whirlpools in the atmosphere that suck up water on the surface of the sea.
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It is the thermal expansion that causes the water to rise, and finally it solidifies to form water droplets, which eventually form a dragon to absorb water, and finally the water column falls through precipitation.
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Dragon water absorption is a tornado on the surface of the water that sweeps water into the sky, forming a huge column of water.
The dragon absorbs the water column, which comes and disappears quickly, lasts for a short time, and after the tornado, it moves to the surrounding area and lands in the form of rain.
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Because of the unstable atmospheric environment, an extremely bad weather, which generally occurs during a thunderstorm, and then falls on the ground, the time is generally about 10 minutes.
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When encountering a "dragon sucking water", run quickly, but don't run around. Flee as quickly as possible in a direction perpendicular to the tornado's path. If you can't escape, quickly find a low-lying place to lie down.
The correct posture is: face down, mouth and eyes closed, hands and arms to protect the head. When the dragon sucks water, we should stay away from it and not stand in the path of the dragon sucking water.
The dragon sucking water is actually a tornado on the surface of the water.
Dragons absorb water less powerfully than tornadoes, and there was still a certain danger at that time. If you are sailing on the sea, it is recommended that you immediately drive the boat to the direction perpendicular to the dragon's suction path and escape. If close to land, it is advisable to go ashore immediately to escape.
In fact, as long as you don't go into the sea and don't want to shoot too close to the beach, the possibility of danger will be smaller. If you are indoors, avoid windows, doors, and the exterior walls of the house, and take refuge in a small room opposite the tornado and crouch down with your head down.
At the same time, cover your body with a thick mattress or blanket to prevent you from being hit by falling objects. Tornadoes are the strongest vortex in the atmosphere and often occur during summer thunderstorms, especially in the afternoon to evening. Although the area of influence is small, the destructive power is large.
Tornadoes often uproot trees, overturn vehicles, destroy buildings, and other phenomena in their passing.
It often destroys crops and tens of thousands of fruit trees in an instant, causing disruptions to transportation, collapse of houses, and loss of human and animal lives and economics. Tornadoes often occur in unstable air masses with high temperatures and humidity. The air there is very disturbed, and the temperature difference between the top and bottom is quite large.
When the ground temperature is around 30, the temperature at 8000 meters has dropped to -30. This temperature difference causes the cold air to drop dramatically, the hot air to rise rapidly, and the upper and lower air to convection too quickly, resulting in the formation of many small vortices.
Generally speaking, there are three types of tornadoes, namely landspouts, fire spouts and waterspouts, and the water sucked by the dragon is a waterspout. When these small whirlpools gradually expand, coupled with strong impacts, they can easily form large whirlpools, which can become wind disasters that hit the ground or the sea. This is what we see in Guangdong.
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First of all, you should stay calm, under normal circumstances, just roll up the water, if you stay and do not move, it will eventually fall back into the water, or evaporate into a gaseous state
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To walk in the direction of 90 degrees from his route, do not go near buildings, do not go under trees, do not go under houses, be sure to squat; The water will fall in the form of rain in the back.
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1. Dragon water absorption: also called waterspout. When a tornado forms over the surface of the water, the tornado will suck the water into the cavity in the center of the storm due to the high pressure around it and the low pressure in the middle, and then form an axial vortex.
At this time, the dragon tornado is like a cylindrical column of air, the upper end is connected to the thunderstorm cloud, and the lower part is connected to the water surface, which looks like a long dragon that is in the sky and touches the ground in the bottom comfortably.
2. The waterspout looks like a funnel-shaped cloud that spirals downward from the base of a cumulonimbus cloud. When a tornado forms over the surface of the water, the tornado will suck the water into the cavity at the center of the storm due to the high pressure around the liquid and the low pressure in the middle, and then form an axial vortex. At this time, the tornado is like a cylindrical column of air, the upper end of the hidden object is connected to the thundercloud and the lower part is connected to the water surface, which looks like a long dragon that is in the sky and touches the ground comfortably.
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Waterspouts are commonly known as dragon sucking water or dragon hanging water, etc. Waterspout is a type of tornado that occasionally appears over warm water, so let's take a look at how the dragon absorbs water.
The first is that the air must have high temperature and humidity. We know that the temperature reflects the size of its heat energy, the air humidity is large, once the condensation phenomenon occurs, a large amount of latent heat will be released, into kinetic energy, potential energy;
Second, there should be vigorous cumulonimbus clouds. Cumulonimbus clouds are the product of strong convection, and eddy rings are easy to form during strong convective movements.
The third is that the shear between the updraft and the downdraft should be large, that is, the direction of the two airflows is opposite, and their respective velocities must be large to form a strong shear.
The South China Sea is well equipped to produce waterspouts, especially in the Paracel Islands, where waterspouts are frequent in summer and autumn. According to incomplete statistics, nearly 1,000 waterspouts occur every year around the world.
The most mature of the internal structure group of waterspouts is the "mother tornado", and the next step is the tornado cyclone family, tornado cyclone, tornado vortex, tornado funnel, and straw vortex to form a complete family.
The mother tornado is composed of multiple tornadoes, its range of action is 10-20 kilometers, and its power is the first of the waterspouts; Tornado cyclones are composed of individual tornado vortices with a scale of 3-10 km; Tornadoes, also known as small tornado cyclones, are composed of multiple tornado funnels acting within a range of 1-3 km; Tornado funnels are also commonly seen as funnel clouds, and it's'The scale is about 300 meters, and there are two or even more than three straw vortices in a funnel cloud, so it is also called the mother vortex; The straw vortex is the youngest of the waterspout group, its scale is generally not more than 30 meters, but its destructive power is the largest, sometimes more powerful than the typhoon, mainly because its vortex axis range is small and the pressure gradient is particularly large, the pressure difference can reach more than 20 hPa, hundreds or even thousands of times the average pressure difference inside the typhoon, so its internal wind speed is extremely large, more than 100 meters per second, several times larger than the typhoon, and the place it passes through can often cause extremely serious disasters.
Tornado is a small whirling wind, the diameter is generally not more than 1 kilometer, the diameter of a small tornado is about 25-100 meters, compared with the diameter of 1,000 kilometers of typhoon, it seems insignificant, but its wind is much larger than the typhoon, the maximum wind speed of the typhoon will not exceed 100 meters per second, and the maximum wind speed of the tornado can reach 120 meters per second. In some favorable environments, thunderstorms may be accompanied by strong columnar eddies in the form of funnel clouds, and tornadoes can be divided into landspouts and waterspouts depending on whether they occur on land or at sea.
Waterspouts are generally slightly smaller in diameter than landspouts, have greater intensity, last longer, and tend to appear in clusters at sea, with seven waterspouts shown on a satellite image at the end of July 1971. The path of a waterspout is generally straight, with an average speed of about 50 kilometers per hour; And it is generally vertically downward, but sometimes because the wind above is stronger than the ground wind, its upper part will tilt along the direction of the airflow, and generally you can judge the movement path according to its inclination direction, and take measures to avoid it.
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The principle is that the air next to it rotates at high speed around the axis in the middle of the world, and this phenomenon is very spectacular.
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It is formed by the rainbow component of the sky, after all, if the rainbow is not formed, it becomes a dragon absorbing water.
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The principle is that the upper end is connected to the thunderstorm cloud, and the lower end extends directly to the surface of the water, and the air rotates rapidly with the external pressure, and the water flow is gradually sucked into the bottom of the whirlpool, so this is the reason for this scene.
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The principle of this scene is a vortex phenomenon of air, which is a natural phenomenon produced by the rapid rotation of the surrounding air around the center of the dragon jue, because the air pressure in it is lower than the surrounding area, a lot, and the surrounding air will quickly rush in, which will lead to this happening, and when encountering this situation, we should keep an appropriate distance.
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