How are the white clouds formed, and how are the white clouds in the sky formed?

Formation of white clouds:

1. The isolated cumuliform cloud appears to be white because the cloud layer is relatively thick, and the light is almost completely reflected on the sunny side.

2. The water on the ground absorbs heat and turns into water vapor, which rises to the upper layer of the sky vapor layer. Due to the low temperature of the upper layer of the vapor layer, the volume of water vapor decreases, the specific gravity increases, and the steam decreases.

3. Due to the high temperature below the vapor layer, it absorbs heat during the descending process, rises again and cools again, and then descends, so that the volume of the gas gradually decreases, and finally concentrates on the bottom layer of the vapor layer. A low temperature zone is formed at the bottom layer, and water vapor is concentrated in the low temperature zone, which forms a cloud.

Extended Information: The sky has clouds of various colors, some white as flocculent, some as jet black, some gray as gray, and some red and purple as they glow. Here, the thickness of the clouds determines the color, and the thickness of the various clouds we see varies greatly, with a thickness of up to 7-8 kilometers and a thin one of only a few tens of meters.

There are many types of stratiform clouds, solitary cumulinary clouds, and undulating clouds. Very thick stratiform clouds, or cumulonimbus clouds, where the light of the sun and moon is difficult to penetrate, and the clouds appear very dark; The slightly thinner stratiform and undulating clouds appear gray, especially the undulating clouds, with more grayish colors at the edges of the clouds. Very thin clouds, light is easy to pass through, especially thin clouds composed of ice crystals, the filaments appear particularly bright in the sun, with a silky luster, and even if there are such stratiform clouds in the sky, ground objects will still reflect shadows in the light of the sun and the moon.

Sometimes the clouds are so thin that they are barely visible, but as long as one or several large rings are found near the sun and moon, it can still be concluded that there are clouds, which are called "cirrostratus clouds".

White clouds are white-looking clouds that are mainly caused by adiabatic cooling by the vertical rise of the air. The sun caused by cooling shines on the surface of the earth, and the water evaporates to form water vapor, and once the water vapor is supersaturated, water molecules collect around the dust (condensation nuclei) in the air, and the resulting water droplets or ice crystals scatter sunlight in all directions, which gives the appearance of clouds.

The white clouds in the sky are caused by the condensation of water vapor. When the sun shines on the Earth's surface, the water evaporates to form water vapor, and once the water vapor is supersaturated, water molecules collect around the dust (condensation nuclei) in the air, and the resulting water droplets or ice crystals scatter sunlight in all directions, which gives the appearance of clouds.

Clouds absorb the heat emitted from the ground and reverse radiate it back to the ground, which helps keep the earth warm. But the clouds also reflect sunlight directly back into space, which has a cooling effect. Which effect prevails depends on the shape and position of the cloud.

In this layer of the atmosphere more than ten kilometers from the ground, the closer to the ground, the higher the temperature and the more abundant the air; The higher you go, the cooler the temperature and the thinner the air.

After the water on the ground evaporates into the air, due to the buoyancy of the air in the atmosphere, when the water does not fall, it floats in the air to produce clouds, under the action of the sun's rays, the clouds are white, and when it is cloudy, it is black called dark clouds.

The reason why clouds come in various shapes is affected by the weather. The clouds in the sky can be roughly summarized into three shapes: blocky, wavy, and layered.

Clouds like cotton or mountain peaks, often isolated and scattered across the blue sky, are called lumpy clouds. Usually massive clouds are formed by the upward movement of air, or the movement of air over a small area.

Some clouds look like undulating waves, and we call them undulating clouds. This is usually caused by an uneven distribution of hot and cold air in a certain layer of the sky, where the air is rising at the peak and falling at the trough.

The clouds that cover the sky are stratiform clouds, which tend to be thick and wide enough to cover a large area. Stratiform clouds appear after hot air meets cold air.

It is not easy for us to observe the weather changes except by using instruments, but we can see clouds, clouds of different shapes, reflecting different weather conditions. A change in the state of the clouds indicates a change in air pressure and air currents, which means that the weather situation can be seen from the clouds. Experienced people can ** the weather by observing the shape of the clouds and their changes.

Cloud formation is mainly caused by condensation of water vapor.

The water surface of rivers, lakes and seas, as well as the water of soil, animals and plants, evaporates into the air at any time and becomes water vapor. When water vapour enters the atmosphere, it becomes clouds that cause rain, or condenses into frost and dew, and then returns to the ground, seeping into the soil or flowing into rivers, lakes and seas. Later, it evaporates (sublimation) again, and then condenses and descends.

Cycle after cycle, the cycle of wax trapping is endless.

Detailed description of the formation of white clouds:

After the water vapor enters the lower atmosphere from the evaporation surface, the temperature here is high and it contains more water vapor if this is hot and humid.

When the air is lifted, the temperature will gradually decrease, and at a certain height, the water vapor in the air will reach saturation.

If the air continues to be lifted, there will be as much water vapor as it remains. If the temperature there is higher than 0°C, the excess water vapor condenses into small droplets.

If the temperature is below 0 °C, the excess water vapor condenses into Xiaoice crystals. When these small water droplets and Xiaoice crystals gradually increase to the point where the human eye can recognize them, they are clouds.