Explain the occurrence of
rainfall.
Answers
Answer:
Precipitation forms in the clouds when water vapor condenses into bigger and bigger droplets of water. When the drops are heavy enough, they fall to the Earth. ... Most rain actually begins as snow high in the clouds. As the snowflakes fall through warmer air, they become raindropsPrecipitation occurs when a portion of the atmosphere becomes saturated with water vapor (reaching 100% relative humidity), so that the water condenses and "precipitates" or falls. Thus, fog and mist are not precipitation but colloids, because the water vapor does not condense sufficiently to precipitate. Two processes, possibly acting together, can lead to air becoming saturated: cooling the air or adding water vapor to the air. Precipitation forms as smaller droplets coalesce via collision with other rain drops or ice crystals within a cloud. Short, intense periods of rain in scattered locations are called showers.
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Answer:
When water on the Earth's surface is heated by the Sun, it evaporates and turns into water vapour which rises into the air. When the air cools it condenses around some dust or other particles in the air, called condensation nuclei.
Precipitation forms in the clouds when water vapor condenses into bigger and bigger droplets of water. When the drops are heavy enough, they fall to the Earth. ... Most rain actually begins as snow high in the clouds. As the snowflakes fall through warmer air, they become raindrops.
Rainfall can simply refer to the falling of water droplets from the sky or, most often when used in meteorology, the total amount of rain that falls...
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