how do nimbus clouds form?
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How do nimbostratus clouds form? Nimbostratus clouds form through the deepening and thickening of an altostratus cloud, often along warm or occluded fronts. These clouds extend through the lower and mid-layers of the troposphere bringing rain to the surface below.
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These cumulonimbus clouds (or, more commonly, rain clouds) will “stack” on top of one another, rising higher and higher, creating a tropical disturbance. ... As winds in the column start to spin faster and faster, a tropical depression, tropical storm or even a full-fledged tropical cyclone (i.e., a hurricane) can form.
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The air cools as it rises. Water vapor condenses and forms cumulus clouds. When condensation occurs, heat (latent heat/energy ) is released and helps the thunderstorm grow. At some point, condensation high in the cloud (now in the form of water droplets and ice) falls to the ground as rain.
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Warm fronts produce clouds when warm air replaces cold air by sliding above it. Many different cloud types can be created in this way: altocumulus, altostratus, cirrocumulus, cirrostratus, cirrus, cumulonimbus (and associated mammatus clouds), nimbostratus, stratus, and stratocumulus.
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['cumulus stage. warm, moist air, rises, condenses and forms a cumulus cloud about 4.7 mi. high.', 'mature stage. the cloud grows to become a cumulonimbus cloud about 7.6 mi. high. ... ', 'final stage. the falling precipitation causes a strong downdraft, and the storm dies out as the supply of water vapor used up.']
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There must be three main ingredients present in order for clouds to form: Moisture - There must be sufficient water vapor in the air to build a cloud. Cooling air - The air temperature must decrease enough for water vapor to condense.
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Cumulonimbus clouds are thunderstorm clouds that form if cumulus congestus clouds continue to grow vertically. Their dark bases may be no more than 300 m (1000 ft) above the Earth's surface. Their tops may extend upward to over 12,000 m (39,000 ft).
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A correlation with solar and endogenic heat suggests hollows form by sublimation. Material carrying hollow-forming volatiles reaches the surface via impact cratering. Hollows usually occur in a low-reflectance substrate. Volatile-bearing low-reflectance material may thus be widespread in Mercury's crust.
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A rainbow cloud occurs because of something called cloud iridescence. It usually happens in altocumulus, cirrocumulus, lenticular and cirrus clouds. It is the same basic concept as a rainbow: small water droplets or small ice crystals within the cloud scatter the Sun's light. You've probably seen a rainbow before.
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['Moisture-to form clouds and rain.', 'Unstable Air-relatively warm air that can rise rapidly.', 'Lift-fronts, sea breezes and mountains are capable of lifting air to help form thunderstorms.']
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Iridescent clouds, known as "fire rainbows" or "rainbow clouds," occur when sunlight diffracts off water droplets in the atmosphere. ... And sometimes moisture in that air suddenly condenses into tiny droplets to form a cap cloud." This "cap"—which scientists call a "pileus"—is the source of the brilliant spectacle.
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Cumulus clouds look like fluffy, white cotton balls in the sky. They are beautiful in sunsets, and their varying sizes and shapes can make them fun to observe! Stratus cloud often look like thin, white sheets covering the whole sky. Since they are so thin, they seldom produce much rain or snow.
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Cumulus clouds result from air rising due to positive buoyancy (i.e. metaphor: bubbles rising in a pot of water). Stratus clouds results from a forced lifting of air (low level convergence, upper level divergence). Cumulus clouds are associated with convection.
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Lighter, positively charged particles form at the top of the cloud. Heavier, negatively charged particles sink to the bottom of the cloud. When the positive and negative charges grow large enough, a giant spark - lightning - occurs between the two charges within the 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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High in the atmosphere, raindrops start out roughly spherical due to the surface tension of water. This surface tension is the "skin" of a body of water that binds the water molecules. As raindrops fall, they collide with other raindrops and lose their rounded shape.
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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.