Among the variable occurrences in the world is the weather. The fact that it is dynamic makes the atmosphere change from time to time. Sometimes these weather phenomena are disastrous while some are beneficial to the surrounding like snow in some countries is a tourist attraction.
What are some common weather phenomena?
Dew is among the most familiar phenomena of weather that occurs mostly at dawn and dusk. There are water droplets on grass, objects, and short sized plant matter and is as a result of condensation. When the surface exposed to air undergoes cooling through releasing its heat to the environment, moisture in the atmosphere condenses at a faster rate than its evaporating rate.
Thunder and lightning are experienced almost daily especially during thunderstorms in winter. Certain atmospheric conditions are responsible for causing rapid electrical discharges resulting in flashes of light which are termed as lightning and later trembling waves of sound called thunder. Scientifically, light travels faster than the sound that is why lightning will be seen first before a roar is heard.
The Rainbow is fascinating to view, and its formation is after reflection, refraction, and dispersion of rays of light happen. The aftermath is a spectrum of seven colors in the form of an arc that appears in the sky on the opposite side of the sun. Colors of the rainbow appear in the following order: red, orange, yellow, green, blue, indigo and violet.
Snow is a common weather phenomenon in the Western countries that are closer to the North and South Pole. Small crystals of ice in the clouds become compact to form snowflakes. When the crystals grow heavy, they drop on the ground as solid precipitation. Snow occurs when temperatures are below 0 degrees Celsius. Snow exists in two major types; dry and wet snow.
Clouds are visible in the sky all day and night. They form when air that is moist and warm rises cools and undergoes expansion in the atmosphere. Clouds appear in different shapes, and the types commonly known are nimbus, cirrus, cumulus, and stratus. Sometimes, there is a combination of different kinds of clouds to form other clouds.
Wind is moving air. Typically, the heat energy from the sun on the earth is unevenly distributed bringing a difference in air densities in different regions. When warm air goes through expansion, it rises while cold air will condense and sink. This flow of air differs with intensities and direction o wind it blows from. There are different types of winds like monsoon winds, westerly, trade winds, local winds and planetary winds.
Fog happens when cloud water droplets that are visible are suspended in the atmosphere near the surface of the earth. Fog is influenced by topography, large water bodies, and wind activities. Fog greatly affects warfare, shipping, and travel. Fog is almost similar to mist but slightly different.
Frost is as a result of the outside surface cooling while exceeding the point where becomes excessively cold, the water vapor present in the air turns into liquid and freezing takes place when it is cold enough.
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