are cumulonimbus clouds high or low?
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The cumulonimbus base may extend several miles across and occupy low to middle altitudes - formed at altitude from approximately 200 to 4,000 m (700 to 10,000 ft). Peaks typically reach to as much as 12,000 m (39,000 ft), with extreme instances as high as 21,000 m (69,000 ft) or more.
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A cumulonimbus cloud (CB) is dangerous because of the processes occurring in them. ... Threats within the cloud are severe turbulence, very strong updrafts (some as high as 100 m/s or more) and downdrafts containing torrential rain, hail and lightning.
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Because air pressure decreases at the rate of 0.91 inches per 1,000 feet of ascent, rising air expands and cools. The flat bottom of cumulus clouds defines the exact height at which a critical combination of temperature and air pressure causes water vapor within the rising current to condense into a visible cloud.
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As it is the highest form of cloud I'd suggest that the noctilucent clouds are the very least likely ones to produce precipitation that reaches the ground. These clouds are found way up around 80 kilometres above the surface of the earth.
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Cumuliform clouds and showery precipitation. 3413. What are characteristics of unstable air? Turbulence and good surface visibility.
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How do arcus clouds form? When a cold downdraft from a cumulonimbus cloud reaches the ground, the cold air may spread rapidly along the ground, pushing existing warm moist air upwards. As this air rises, water vapour condenses into the patterns associated with Arcus clouds.
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Thus, the 10 types are: Low-level clouds (cumulus, stratus, stratocumulus) that lie below 6,500 feet (1,981 m) Middle clouds (altocumulus, nimbostratus, altostratus) that form between 6,500 and 20,000 feet (1981–6,096 m) High-level clouds (cirrus, cirrocumulus, cirrostratus) that form above 20,000 feet (6,096 m)
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A stable layer of air. 3412. What are characteristics of a moist, unstable air mass? Cumuliform clouds and showery precipitation.
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Because stable air masses are, by nature, calm and free of violent disturbances, they are often marked by the appearance of stratiform clouds or fog. Stratiform clouds can be identified by their smooth, sheetlike nature and do not build vertically like clouds found in unstable air masses with convective activity.
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All cumulus clouds develop because of convection. As air heated at the surface is lifted, it cools and water vapour condenses to produce the cloud. ... Along coastlines, cumulus may form over land during daylight hours as a sea breeze brings in moist air, which is then warmed by the surface.
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All in all, there are ten fundamental types of clouds. Often, you'll some places simply class clouds as cirrus, stratus, and cumulus because these clouds are the most common and representative for each altitude class. High-level clouds (5-13 km): cirrocumulus, cirrus, and cirrostratus.
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Cirrocumulus clouds are usually seen in the winter and indicate fair, but cold weather. In tropical regions, they may indicate an approaching hurricane. Altostratus clouds are gray or blue-gray mid level clouds composed of ice crystals and water droplets. The clouds usually cover the entire sky.
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The foundation consists of 10 major cloud types. In addition to cirrus, stratus, cumulus, and nimbus clouds, there are cirrostratus, cirrocumulus, altostratus, altocumulus, stratocumulus, nimbostratus, and cumulonimbus clouds.
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Clouds are condensed water droplets, high in the air. Clouds are non-living things, hence clouds are abiotic.
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['Stratus/strato = flat/layered and smooth.', 'Cumulus/cumulo = heaped up/puffy, like cauliflower.', 'Cirrus/cirro = high up/wispy.', 'Alto = medium level.', 'Nimbus/Nimbo = rain-bearing cloud.']
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Cold, dense air has a higher pressure, while warm, less dense air has a lower pressure. Tropical, or warm, air masses form in the tropics and have low air pressure.
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They form when turbulent vertical currents meet a cirrus layer, creating the puffy cumulus shape. Cirrocumulus clouds can also form through contrails, the vapour trails left by planes as they fly through a dry upper troposphere. These streaks can spread out and become cirrus, cirrostratus and cirrocumulus.