Surfing Above the Clouds

Aerial Cloud Surfing

 

What is a cloud, how does it form, and what dictates its color?

The air around us contains water in the form of an invisible gas called water vapor. As warm air rises, it expands and cools and temperature. Cooler air cannot hold as much water vapor as warm air, and as a result some of the water vapor condenses onto condensation nuclei (such as dust particles, etc) that are floating in the air and a tiny droplet is formed around each particulate of condensation nuclei. When billions of these microscopic droplets form and come together a visible cloud forms. A cloud is essentially just a large collection/accumulation of these tiny droplets of water vapor or ice crystals. These droplets are so small and light that they float in the air and do not fall to the surface. Clouds are white in color because their water droplets/ice crystals are large enough to scatter the light of the seven wavelengths of light which combine to produce white light. As long as the cloud and the air that it is comprised of is warmer than the air around it, it floats. The characteristics of clouds are influenced by the elements available at the time. These include the amount of water vapor, the temperature at arbitrary heights , the wind, and other air masses .

 

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