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Learn how to identify and classify clouds and other meteors using the official manual of the World Meteorological Organization. Explore the definitions, diagrams, and examples of different types of clouds and meteors on the web site.
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- Descriptions of Clouds
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Clouds - Home | International Cloud Atlas
- Definitions of clouds
Definitions of clouds - Home | International Cloud Atlas
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- How Are Clouds Classified?
- Types of Clouds
- Combining Cloud Names
- Other Types of Clouds
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Clouds get classified according to the altitude at which they form, their upper height, and their shape. The names come from Latin words. Four common types are cumulus, stratus, nimbus, and cirrus. Alternatively, clouds get names from their height: high (cirrus or ciro-), middle (alto-), low (stratus, strato-), and multilevel (cumulus, cumulo-, nim...
Cumulus Clouds
Cumulus clouds are the puffy popcorn shapes you produce when asked to draw clouds. They are puffy with rounded tops. Cumulus clouds appear white when well-lit, but have flattened, darker bases. You’ll see cumulus clouds form on clear, sunny days as the ground heats up. They often appear mid-morning, develop, and vanish as the sun sets. They indicate the presence of moisture in the air, but don’t necessarily produce rain or snow.
Stratus Clouds
Stratus clouds are flat, uniform, gray clouds. Usually, they are gray and resemble fog near the horizon, rather than actual fog which is on the ground. Stratus clouds produce overcast days. Sometimes they produce mist or a light drizzle. Altostratus (and altocumulus) clouds sometimes produce virga, which is precipitation that evaporates before it reaches the ground.
Nimbus Clouds
Nimbus clouds produce precipitation in the form of rain, hail, or snow. Both cumulus and stratus clouds can be nimbus clouds, which go by the names cumulonimbus and stratonimbus. Cumulonimbus clouds are thunderheads that tower from the troposphere into the stratosphere. The cloud top often flattens into an anvil shape. The cloud’s bottom is dark. Nimbostratus cloudsare less ominous. They are gray, multi-level clouds that yield the occasional rain shower or snow flurry.
Some clouds have multiple features and have combination names. 1. Cirrostratus: Cirrostratus clouds are thin veils high in the atmosphere. 2. Cirrocumulus: Cirrocumulus clouds appears a high white ripples, scales, or stripes. 3. Altostratus: Altostratus clouds are either opaque or translucent gray clouds at intermediate altitudes. 4. Altocumulus: A...
Other noteworthy types of clouds are lenticular clouds and mammatus clouds. Lenticular clouds (Lenticularis or len) are lens-shaped or almond-shaped stationary clouds. They are a specific form of stratocumulus, altocumulus, or cirrocumulus clouds. These clouds form around mountains, hills, and buildings and resemble UFOs. Mammatus clouds are cumulu...
Ackerman, Steven A. (2011). Meteorology: Clouds and the Greenhouse Effect. Jones & Bartlett. ISBN 978-0-7637-8927-5.Burroughs, William James; Crowder, Bob (2007). Weather. San Francisco: Fog City Press. ISBN 978-1-74089-579-8.Miyazaki, R.; Yoshida, S.; Dobashi, Y.; Nishita, T. (2001). “A method for modeling clouds based on atmospheric fluid dynamics”. Proceedings Ninth Pacific Conference on Computer Graphics and Applica...World Meteorological Organization, ed. (1975). International Cloud Atlas. Vol. I. ISBN 978-92-63-10407-6.Learn about the 10 basic types of clouds and their features, shapes, and altitudes. See examples, worksheets, and references for more information on clouds and weather.
3. Mai 2024 · Learn the names, shapes, and heights of the 10 basic types of clouds based on the World Meteorological Organization. See photos and descriptions of each type and how to predict the weather from them.
28. März 2023 · While clouds appear in infinite shapes and sizes, they fall into some basic forms. From his Essay of the Modifications of Clouds (1803), Luke Howard divided clouds into three categories: cirrus, cumulus, and stratus, plus a fourth special type, nimbus.
12. Okt. 2023 · Solar System. Earth. What are different types of clouds and how do they form? References. By Stefanie Waldek. published 12 October 2023. They may be an astronomer's worst enemy but clouds...
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