Coverage is a period that can be seen from the frozen water droplets or suspended in the atmosphere above the surface of the Earth or the crystals from the surface of another planet. The clouds are also visible mass attracted by gravity, as masses of matter in space called interstellar clouds and nebulae. Clouds studied in the cloud or cloud physics branch of meteorology.Read more : Wind Tornado Process
Substance of the Earth usually the precipitation of the water vapor. With the help of hygroscopic particles like dust and salty sea air, water droplets formed at low altitude and high altitude ice crystals where the air is not cool so saturated by convection across Local convective or high altitude.
In some problems, high cloud may be partly of supercooled water droplets. The droplets and crystals typically about 0.01 mm (0.00039 inch) in diameter. The most common of sun in the daytime warming of the air at ground level, the front elevation to force warm air masses will rise up and orographic lifting of the air on the mountain. As the air rises, it expands so that the pressure is reduced.
This process consumes energy that makes the cold air. When surrounded by billions of other droplets or crystals which become visible as a cloud. In the absence of condensation nuclei, the air is saturated and cloud formation is inhibited. in a dense cloud showed a high reflectance (70% -95%) in the range of visible wavelengths cloud, it appears white, above.
Dewdrops (titi water points) tend to scatter light efficiently, so the intensity of solar radiation decreases with depth directions gas and dark gray or sometimes even appear in the cloud base. Thin clouds may appear to have acquired the color of their environment or background and clouds lit by a non-white light, like a sunrise or sunset, it might seem appropriate color. Clouds look darker in the near infrared, because water absorbs solar radiation at these wavelengths.
Cloud formation
The air always contains water vapor. If the water vapor overflow into water droplets, forming clouds. Peluapan can occur in two ways:
If the hot air, the steam contained in the air because faster hashing water. Charged with hot air at the elevation of the highest water, reaching a layer with a lower temperature, so that background and the vapor cloud formed, the molecules of water sources are innumerable.air temperature has not changed, but the state of the atmosphere is humid. The more the air is increasingly saturated with water vapor.
If clouds have formed, water droplets in the cloud will become larger and the cloud will become more serious, and slowly force of gravity pulling downward. To the extent that water droplets will continue to fall and the rain fell.
If the water drops of hot air are met, points will evaporate and the clouds disappeared. This is what makes the clouds are always changing shape. The water is evaporated into the clouds and melt alternately. This is also why there are sometimes clouds that bring no rain.
What is it and how cloud formation
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