How snow is formed The shorter the better

We all know that clouds are made up of many small water droplets and Xiaoice crystals, and raindrops and snowflakes are formed by the growth and growth of these small water droplets and Xiaoice crystals. So, how is snow formed?

In a water cloud, the cloud droplets are all small droplets. They mainly grow into raindrops by continuing to condense and colliding with each other.

Ice clouds are made up of tiny ice crystals. When these Xiaoice crystals collide with each other, the surface of the ice crystals will heat up and melt somewhat, and they will stick to each other and freeze again. This is repeated many times, and the ice crystals increase.

In addition, there is also water vapor in the clouds, so the ice crystals can continue to grow by condensation. However, ice clouds are generally very high and not thick, where there is not much water vapor, and the growth of condensation is very slow, and there are not many opportunities for collisions with each other, so they cannot grow to a large size and form precipitation. Even if precipitation is caused, it tends to evaporate on the way down and rarely reaches the ground.

The most conducive to cloud growth is hybrid cloud. Hybrid clouds are made up of Xiaoice crystals and supercooled water droplets. While a mass of air is said to be saturated with ice crystals, it is not yet saturated with water droplets.

At this time, the water vapor in the cloud condenses on the surface of the ice crystals, but the supercooled water droplets are evaporating, and ice crystals are generated from the supercooled water droplets"Adsorption"The phenomenon of water vapour. In this case, the ice crystals grow quickly. In addition, supercooled water is very unstable.

As soon as you touch it, it freezes. Therefore, in a hybrid cloud, when supercooled water droplets collide with ice crystals, they freeze and stick to the surface of the ice crystals, causing them to grow rapidly. When the Xiaoice crystals grow large enough to overcome the resistance and buoyancy of the air, they fall to the ground, which is called snowflakes.

In early spring and late autumn, the air near the ground is above zero, but this layer of air is not thick and the temperature is not very high, so that the snowflakes will fall to the ground before they have time to melt completely. This is called a descent"Wet snow", or"Rain and snow fall together"。This phenomenon is called "sleet" in meteorology.

Snow is water vapor in the air that condenses into Xiaoice crystals and falls to the ground.

Water vapor is formed when it meets cold air.

The water has changed! (where the process is supplemented by itself).

The rain fell on the hill that fell down.

Condensation of water vapor in the air.

Snow is solid water in the form of snowflakes that fall from the clouds of the mixed beams, and it is a natural phenomenon in which water condenses in the air and then falls under extremely low temperatures.

Snowflakes are mostly hexagonal, and the reason why there are many patterns is because the molecules of ice are hexagonal as the most, for hexagonal flake ice crystals, due to the different curvatures on its surface, edge and corner, it correspondingly has different saturated water vapor pressure, among which the saturated water vapor pressure on the horn locust is the largest, the second on the edge, and the smallest on the plane. In the case of the same actual water vapor pressure, the condensation growth of ice crystals is also different due to the different saturated water vapor pressures of each part.

Snow is good for the growth and development of crops. Snow is a substance with a good thermal insulation effect, which can protect plants from frostbite in the cold winter, and the melting of snow water in the spring of the next year can provide a good water supply for vegetation.

When the winter temperature drops below 0, the water vapor in the air condenses into Xiaoice crystals in the clouds. Water vapor is formed when ice crystals in clouds collide with supercooled water droplets and evaporate. As these water vapors condense, the volume gradually increases, and they slowly turn into snowflakes.

Since snowflakes are formed by the enlargement of ice crystals, and the molecules of ice crystals are mostly hexagonal, snowflakes are also mostly hexagonal. <

When the winter temperature drops below 0, the water vapor in the air condenses into Xiaoice crystals in the clouds. Water vapor is formed when ice crystals in clouds collide with supercooled water droplets and evaporate. As the water vapor condenses, it gradually increases in size and slowly turns into snowflakes.

Since snowflakes are formed by the enlargement of ice crystals, and the molecules of ice crystals are mostly hexagonal, snowflakes are also mostly hexagonal.

Snow has been the object of literati and writers fighting for the celebration of the town since ancient times. Suddenly, like a spring breeze in the night, thousands of trees and pear blossoms bloom, talking about the beautiful scenery of snow in winter. The formation of snowflakes is mainly related to the moisture in the air.

Dirty snow melts faster.

This is because the speed of snow melting, is determined by how much heat the snow absorbs, usually the snow is white, can reflect sunlight, and when the snow is dirty, it will change color, with the increase of impurities, the color of the snow will become gray-black, the heavier the color, the stronger the ability to absorb sunlight temperature, so it melts quickly.

Snowflakes fall to the ground to form clear snow, and the snow at this time is pure snow, and various human activities will make the snow dirty, such as people will build snowmen on the snow, have snowball fights, lie on the snow, or vehicles will drive on the snow. The natural behavior of other animals can also turn clean snow into dirty snow. In the process of turning clean snow into dirty snow, human activities will transfer the temperature to the snow, and the temperature of the human body and the heat generated by the friction between the vehicle and the snow and the first slip will accelerate the melting of the dirty snow.

What is the difference between snow and frost?

1. The principle is different.

Frost is a condensation, usually water at the lower surface of a plant, which forms at low temperatures; Snow is a natural phenomenon in which water or ice condenses in the air and then falls. Snow usually falls from the condensation of water from high altitudes.

2. The state is different.

Snowflakes are mostly hexagonal, and the reason why there are many patterns is because the molecules of ice are most hexagonal; The common shape of frost is frost, parsley, or frost.

3. Appearance time.

Snow only occurs in very cold temperatures and under the influence of extratropical cyclones, and snow occurs in winter. Frost usually forms at night, but in rare cases it can start to form just before sunset, when the sun is shining.

The above is about what kind of snow will melt faster, winter is coming, and it will snow again, you can observe when it snows to see if the dirty snow will melt faster.