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1. The sun – The sun heats the ground, which then heats the air just above it, causing it to rise upwards in the sky (warm air rises). This tends to produce cumulus clouds. 2. Hills and mountains - When air is travelling towards a mountain or hill, it cannot go into the hill and so it rises upwards along the terrain.
Oct 13, 2022 · For condensation to form, water vapor is either cooled to its dew point – which is the temperature at which water in the air condenses to create water droplets. Or, the air becomes so saturated ...
Sep 25, 2024 · How Do Clouds Form? The Short Answer: Clouds are created when water vapor, an invisible gas, turns into liquid water droplets. These water droplets form on tiny particles, like dust, that are floating in the air. A camera on NASA’s Terra satellite captured this image of clouds over the Southern Indian Ocean.
Mar 28, 2023 · As a result, cloud droplets are constantly forming and dissipating. When more water condenses on nuclei than evaporates from them, clouds form and grow. Conversely, if there is more evaporation than condensation, clouds dissipate. This is why clouds appear and disappear as well as constantly change shape. Learning Lesson: Smoking Clouds.
Cloud droplets initially form by the condensation of water vapor onto condensation nuclei when the supersaturation of air exceeds a critical value according to Köhler theory. Cloud condensation nuclei are necessary for cloud droplets formation because of the Kelvin effect , which describes the change in saturation vapor pressure due to a curved surface.
Clouds are made up of lots of tiny water droplets or ice particles floating in the sky at different heights. How do clouds form? As the sun heats water it turns into an invisible gas called water vapour, this is called evaporation. The higher up you get in the sky, the cooler the temperature, so as water vapour rises it cools.
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Clouds and How They Form. As air rises it cools and decreases pressure, spreading out. Clouds form when the air cools below the dewpoint, and the air can not hold as much water vapor. Clouds are made of water droplets or ice crystals that are so small and light they are able to stay up in the air. But how does the water and ice that makes up ...
