Is the same size on the ground and in the air under hail?

No, it will be affected by air friction to become smaller, In the hail cloud, the strong updraft carries many large and small water droplets and ice crystals moving, some of which merge with the ice crystals to freeze into larger ice particles, these particles and supercooled water droplets are transported by the updraft to the water accumulation area, which can become the core of hail, and the core of the initial growth of these hail has good growth conditions in the water accumulation area. After the hail nucleus enters the growth zone carried by the updraft, it collides with supercooled water droplets in an area with a lot of water and a temperature that is not too low to grow into a transparent ice layer, and then goes up into a low temperature zone with less water, which is mainly composed of ice crystals, snowflakes and a small number of supercooled water droplets, and the hail core sticks and freezes with them to form an opaque ice layer. When the hail is unable to support the growing hail, the hail falls in the updraft, and continues to grow by merging ice crystals, snowflakes and water droplets in the fall, and when it falls to a higher temperature zone, the supercooled water droplets that touch and go up form a transparent ice layer.

If it falls into another stronger updraft, the hail will rise again, repeating the growth process. In this way, the hail grows transparently and opaquely; Due to the differences in the time, moisture content and other conditions of each growth, the thickness and other characteristics of each layer are also different. Eventually, when the updraft can't support the hail, it falls from the clouds and becomes the hail we see.

Basically the same. However, it is slightly larger in the air and will be lost before falling to the ground.

Hello, dear, I'm glad to answer for you: it's not the same size, and there is a certain difference in the size of hail in the sky and on the ground. Hail is caused by the updrafts that lift water droplets high into the air and condense them, and when the air currents do not support their continued rise, the water droplets begin to condense into ice crystals and fall to the ground due to their weight.

In the air, the air temperature is lower than on the ground, so the hail will cool for longer, and the surrounding air will deform them even more as the hail falls at high speed. All of these factors can make the hail in the high altitudes of chain parsley larger than the hail on the ground. In addition, hailstones come into close contact with water in the air and clouds as they fall, which can also cause them to deform or melt, making them smaller before touching the ground.

As a result, even hailstones that are initially larger than the ground at high altitude may become smaller when they touch the ground.

Hail is mainly formed in the cloud collapse of the troposphere that infiltrates the upper air cold pool, and the upper air temperature is usually lower than the ground temperature. This is because as the altitude increases, the temperature of the atmosphere usually drops. This trend of temperature change is called"Atmospheric cooling"。

When the atmosphere cools to a certain extent, the water vapor condenses into ice crystals. If these ice crystals are large enough, hail will form. When hail ridges form, the temperature at high altitude is usually around freezing, while surface temperatures can be even higher.

However, the formation of hail is also affected by other factors, such as the amount of water vapor in the atmosphere, wind, humidity, etc. Therefore, the specific difference between the temperature at high altitude and the temperature at the ground will vary from place to place.

How are hail formed?

1.When the temperature drops to a certain level, the air is saturated with water vapor, and it rains, and if the temperature drops sharply, hail is formed.

2.Hail, also known as hail, is a weather phenomenon in which it is commonly known as hail and in some areas is called cold.

3.Hail is more common in summer or during the alternation of spring and summer, when the air humidity is high and the temperature climate is more unstable.

4.Hail is a serious natural disaster that can cause extensive damage to crops such as fruits, vegetables, and buildings, vehicles, etc.

Summary. 1.If the temperature drops sharply, hail can form.

2.Hail is also known as hail, and it is commonly known as hailstone.

3.Hail is more common during summer or the alternation of spring and summer.

4.Hail is a serious natural disaster.

When the raindrops in the clouds meet a violent upward air current, they are suddenly carried to a very low temperature and liquefied into Xiaoice beads, Xiaoice which continue to rise and grow, and gradually develop into hail. IceHail, commonly known as hail, is a weather phenomenon that is more common in the summer or spring and summer of our country. Generally speaking, hail is some small ice particles like mung beans, soybeans, and large ones like eggs.

1. The formation principle of hailWhen the surface water is exposed to the sun, it will vaporize and rise into the air, and a lot of water vapor will condense together to form clouds. When these water vapors encounter cold air, they liquefy and form raindrops. If this water vapor encounters cold air, but there is no condensation nucleus, it will turn into ice or snow.

If the temperature drops sharply, Xiaoice beads will form, and when the updraft of the moisture increases, these Xiaoice beads will continue to grow, and if they are churned repeatedly, they may form hail and fall to the ground.

2. Conditions for the formation of hail The formation of hail requires the following conditions. The first condition is that there must be a fairly thick layer of instability in the atmosphere. The second condition is that the Cumulonimbus clouds are abundant and must reach a temperature that can freeze individual water droplets.

The third condition is that there must be strong wind shear, and the vertical thickness of the cloud should not be too low. In addition, there is a need for sloping, strongly uneven updrafts in the clouds. Hail can only form when these conditions are present.

3. Hail hazards All parts of China suffer from hail disasters of varying degrees every year, especially in the mountainous and hilly areas of the north. The terrain in these places is complex, the weather is relatively changeable, there are many hailstorms, and the disasters are serious, which will cause relatively large losses to agriculture. Violent hailstones can damage crops, damage houses, and people can also be injured.

Extremely large hailstorms can kill people, destroy large areas of farmland and trees, destroy vehicles, and have a relatively high lethality. Therefore, when encountering hail in summer, try to avoid going out to reduce losses.

Dear readers and friends, do you understand?

Hail, also known as hail, is most common in summer or at the turn of spring and summer. The formation process of hail is similar to that of rain. In summer, when a large amount of water vapor rises to a temperature below -20 degrees Celsius, it becomes a Xiaoice droplet, and when the air cannot hold the Xiaoice ball, it falls from the sky.

Hail is formed by the rapid rise of various dark clouds, mainly because in the process of rising, the temperature will decrease after reaching a certain height and fall into hail.

After the water condenses, it is affected by the cold air and turns into hail. Hail requires a lot of moisture and cold enough air to make it, both of which are indispensable.

We all know the disastrous nature of hail to crops, when there is a cumulonimbus cloud in summer, the upper layer of the cloud will drop to dozens of degrees below zero to form ice crystals, and the lower layer of clouds has cold water droplets, and then there are a large number of water droplets in the warm layer, ice crystals fall from the upper layer of the cloud to the cold water layer, the water freezes on the surface, and then continues to fall to the warm layer, the water droplets freeze again, the hail is getting bigger and bigger, the updraft can not bear its weight, the hail will fall, and the damage caused by hail to crops is unavoidable.

Formation of hailstones.

Hail mostly comes from cumulonimbus clouds with strong convection. The diameter of hail is generally in the range of 5-50 mm, and the large ones can reach a few centimeters to tens of centimeters. It is conceivable that even small hailstones can exist in clouds, but strong updrafts are required.

According to statistics, the speed of the rising motion must be greater than 20 meters per second when hail, and the rising speed of more than 20 meters seconds is required to produce a large hail with a diameter of 10 centimeters. Therefore, hail is generally possible only when the cloud top develops near the tropopause. Hail is not generated immediately when the air flow rises above 0 height, and dissecting hail reveals an opaque core.

The exterior is surrounded by alternate layers of transparent and opaque ice. So the hail looks white from a distance and is not as transparent as the ice. Why is hail such a structure?

This is determined by the process of hail formation. Because the temperature in the cumulonimbus cloud is below the height of 0 water droplets, the above are supercooled water droplets, ice crystals, snowflakes, when the supercooled water droplets rise with the updraft, they freeze with the ice crystals or snowflakes to form the core of hail. Because the freezing time is very short and the freezing speed is very fast, the formed hail nucleus is mixed with air, and the tissue is relatively loose, forming an opaque white ice layer, and the faster it freezes, the whiter and more opaque the frozen ice layer is.

When the temperature is higher below 0 altitude, the ice on the surface of the hail core melts into water, and at the same time, it will collide with some raindrops during the descent process, and some water sticks to the outside. When the hail core is covered with water outside, it encounters a strong updraft and is once again brought above layer 0. At this time, the water outside the hail core freezes into ice again, and at this time, it gradually freezes, so it becomes a transparent ice layer.

When the hail encounters cold water droplets again, it condenses on it and collides with ice crystals and snowflakes to form an opaque ice layer, and the hail increases in volume and descends, and so on many times, it may form a large hailstone.

Because the water vapor is in the air, if the temperature is too low during the formation process, it will condense, and then because the clouds cannot withstand it, it will fall hail.

According to my understanding, it is because the small water droplets and Xiaoice crystals in the clouds encounter very cold convective air, causing the temperature of the sky above a certain area to drop sharply, when the small water droplets fall, the Xiaoice crystals also fall, and the surrounding Xiaoice crystals continue to combine, to a certain height, and then carried up the clouds by the air current, and then fall, after multiple cycles, it will form hail.