What is snow made of and how is it formed

Snow is formed by the direct condensation of water vapor or water droplets in the atmosphere. It can also be said that the temperature in the clouds is too low, and the small water droplets form ice crystals, and when they fall to the ground and are still snowflakes, it is snowing. Snow forms in the atmosphere with cold ice crystal nuclei, sufficient water vapor, and a temperature below 0.

Snow is a natural phenomenon of water condensing in the air and then falling. In mixed clouds, ice crystals continue to bloom and increase due to the coexistence of ice and water, becoming snowflakes. When the temperature under the clouds drops below 0, snowflakes can fall all the way to the ground and form snowfall.

If the temperature under the clouds is above 0, sleet may occur.

Snow is a form of precipitation, which is crystalline solid ice that falls from clouds, often in the form of snowflakes. Snow is made up of small ice particles and is a granular material that has an open structure and therefore appears soft.

Because of the different temperatures and humidity, the snowflakes that form come in a variety of shapes and sizes. If the snow melts and then freezes again during the landing, it will form a ball of snow, which can be hazel, graupel, and hail.

The size of a single snowflake is usually between millimeters. Snowflakes are very light, and the weight of a single one is only grams. No matter how light and small the snowflakes are, how wonderful they are, its crystals are regular hexagonal shapes, so the ancients had the saying that "there are more than five flowers of plants and trees, and six snowflakes are alone".

The reason for the formation of snow: There are countless small dust and fine particles floating in the air, and the air at high altitude gradually thins out, showing a saturated state that water vapor cannot invade, and at this time, some water vapor enters small dust and other fine particles to form ice crystals. The main condition for its formation is that the atmosphere is below 0 degrees.

Once the ice crystals at the upper end of the cloud melt, the ice crystals absorb the supersaturated water vapor around them and grow, forming snow falls.

Under the action of the wind, the snow forms a stream of air carrying the snow, and the particles of snow are close to the ground and drift with the wind, which is called low-blowing snow; When the wind blows, the snow flutters up on the field, and there is a scene of snow fog and snow blowing covering the sky, which is called high blowing snow; The snow dances with the wind, and the sudden wind and snow fill the sky, making it difficult for people to distinguish the direction, and even blowing people upside down and sweeping them away, which is called a blizzard.

1. Snow is formed by direct condensation of water vapor in the atmosphere. The low temperature in the clouds causes the water vapor to form ice crystals, and when the temperature is low enough, the ice crystals fall to the ground and are still snowflakes, which is snow. Snow absorbs heat when it melts, and the ground air temperature is lower when it melts than when it snows.

2. The conditions for the formation of snow are that the atmosphere needs to contain cold ice crystal nuclei, sufficient water vapor, and the air temperature should be below 0 (the freezing point of circular osmosis).

3. Where snow can fall: Snowfall is generally formed in areas around extratropical cyclones and where air moves upward. Snow may fall in a polar direction in a weather system with a warm front.

Thunder and snow can occur in the comma head of a cyclone and in the precipitation zone of the Great Lakes effect. In mountainous areas, the uphill airflow reaches a critical point on the windward side of the hillside during the ascent process, and if the air is cold enough, snowfall may occur. Snowfall is possible in mid- to high-latitude areas (i.e. approximately south of the Tropic of Capricorn and north of the Tropic of Capricorn), as well as in lower latitudes in some high mountains or plateaus above 2,000 meters above sea level.

Ocean currents can also indirectly affect the chance of snow in the area, which can reduce the chance of snow in the area if there are more warm currents in the area at high latitudes (e.g. from Honshu to Kyushu in Japan).

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.

Hello, snow is made up of water, is one of the solid forms of water, and tends to form in conditions of lower temperatures. Of course, in addition to H2O, there will also be certain impurities in the composition of snow to facilitate the condensation of snow.

H2O, on the other hand, is mainly composed of hydrogen and oxygen, so snow can also be said to be mainly composed of hydrogen atoms and oxygen atoms.

Hope it helps!

Snow is the natural phenomenon of water or ice condensing in the air and then falling, or snowflakes falling. Snow is a form of water in a solid state.

Snow is precipitation composed of large quantities of white opaque ice crystals (snow crystals) and their polymers (snow masses), which are formed by the direct condensation of water vapor or water droplets in the atmosphere, and is also a form of water in the solid state. Snow only appears in very cold temperatures and under the influence of extratropical cyclones, and it is often hexagonal in shape.

Chinese name Xue. Foreign name snow; ゆき

The main component is ice crystals.

Classification of natural phenomena, a form of precipitation.

The color is white and opaque.

The state is solid. It is also known as silver millet, jade dust, jade dragon, and six out.

Snow is called differently in different regions. Silver chestnut, jade dust, jade dragon, six out of ......

Snow is formed by the direct condensation of water vapor.

In the middle of the same cloud, there are often droplets of ice and droplets of water at the same time. In winter, clouds formed by water often evaporate and vaporize, and these water vapors condense directly on the cloud droplets formed by ice to form snowflakes.

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.

At extremely low temperatures, the water droplets in the clouds are overcooled and remain liquid even below freezing. Under the right conditions, these supercooled water droplets will evaporate, forming water vapor that condenses directly into fine ice crystals, which continue to condense on the Xiaoice crystals, and the ice crystals become larger and larger, thus forming snowflakes. When the snowflakes get bigger and bigger, and the air can't hold it, it will fall to the ground.

The secret of snowflakes.

Snowflakes and water. The shape of a snowflake varies depending on the air temperature and the amount of water vapor it contains. Snowflakes are crystalline and contain about 90 centimeters of air, so even if it snows 30 centimeters thick, it is only equivalent to 3 centimeters of rain.

Snowflake crystal species.

Snowflake crystals are hexagonal, but they come in a variety of patterns, such as stars, hexagonal plates, needles, columns, rolls, and some even irregular clusters. Among them, star-shaped snowflakes are the most beautiful.