Clouds Sade Stewart

Stratus clouds are uniform grayish clouds that often cover the entire sky. They resemble fog that doesn't reach the ground. Light mist or drizzle sometimes falls out of these clouds.Stratus clouds are the lowest forming and are often called fog or mists when they are earth-bound.Stratus clouds usually form from cumulus or stratus clouds. Typical Altitude: 0-6,500 ft.
Nimbostratus clouds form a dark gray, wet looking cloudy layer associated with continuously falling rain or snow. They often produce precipitation that is usually light to moderate.The nimbostratus cloud has no species or varieties. It is a thick, wet blanket with a ragged base caused by the continual precipitation.Typical Altitude: 2,000-18,000 ft.
Cumulus clouds are white, puffy clouds that look like pieces of floating cotton. Cumulus clouds are often called "fair-weather clouds". The base of each cloud is flat and the top of each cloud has rounded towers. When the top of the cumulus clouds resemble the head of a cauliflower, it is called cumulus congestus or towering cumulus. These clouds grow upward and they can develop into giant cumulonimbus clouds, which are thunderstorm clouds.There are three species of cumulus clouds: • humilis are wider than they are tall • mediocris are as wide as they are tall • congestus are taller than they are wide.Often called “fair-weather” clouds, cumulus clouds are common over land on sunny days, when the sun heats the land creating thermal convection currents.Each thermal is distinct, and, consequently, each cumulus cloud is a distinct puff.Typical Altitude: 2,000-3,000 ft.
Altostratus clouds are gray or blue-gray mid level clouds composed of ice crystals and water droplets. The clouds usually cover the entire sky. In the thinner areas of the clouds, the sun may be dimly visible as a round disk. Altostratus clouds often form ahead of storms with continuous rain or snow.Below 6,500 ft. it’s stratus Between 6,500 and 23,000 ft. it’s altostratus.Typical Altitude: 6,500-16,500 ft.
Altocumulus clouds are mid level clouds that are made of water droplets and appear as gray puffy masses. They usually form in groups. If you see altocumulus clouds on a warm, sticky morning, be prepared to see thunderstorms late in the afternoon.Since altocumulus clouds are high in the sky, they are generally above the influence of thermals, and form very differently from cumulus and stratocumulus clouds, who share similar names.Typical Altitude: 6,500-18,000 ft.
Cumulonimbus clouds are thunderstorm clouds. High winds can flatten the top of the cloud into an anvil-like shape. Cumulonimbus clouds are associated with heavy rain, snow, hail, lightning and even tornadoes. The anvil usually points in the direction the storm is moving.Ready supply of warm,moistair,which rises at speeds of up to 25-70 mp,troposphere winds need to increase considerably with height to encourage it to slant forward,the atomosphere around the clouds needs to warm.Typical Altitude: 16,500-45,000 ft.
Cirrocumulus clouds appear as small, rounded white puffs that appear in long rows. The small ripples in the cirrocumulus clouds sometime resemble the scales of a fish. Cirrocumulus clouds are usually seen in the winter and indicate fair, but cold weather. In tropical regions, they may indicate an approaching hurricane.Cirrocumulus clouds are usually a transitional phase between cirrus and cirrostratus clouds.Large numbers of cirrocumulus clouds may indicate poor weather is approaching.Typical Altitude: 16,500-45,000 ft.
Cirrus clouds are the most common of the high clouds. They are composed of ice and are thin, wispy clouds blown in high winds into long streamers. Cirrus clouds are usually white and predict fair to pleasant weather. By watching the movement of cirrus clouds you can tell from which direction weather is approaching. When you see cirrus clouds, it usually indicates that a change in the weather will occur within 24 hours.Cirrus clouds are the highest of all clouds and are composed entirely of ice crystals.Cirrus clouds are precipitating clouds, although the ice crystals evaporate high above the earth’s surface.The crystals, caught in 100-150 mph winds create wisps of cloud.Typical Altitude: 16,500-45,000 ft.
Created By
Sadé Stewart


Created with images by Jan-Helge69 - "Red clouds" • NASA Goddard Photo and Video - "Amazing Sarychev Volcano - as seen from space" • jimmy_tst - "Nimbostratus clouds" • dimitrisvetsikas1969 - "clouds cumulus sky" • Moyan_Brenn - "Sunset" • sneetchbeach - "Altocumulus." • universoac - "Cumulonimbus" • Nicholas_T - "Glints" • bradhoc - "Cirrus"

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