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clouds    音标拼音: [kl'ɑʊdz]

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  • 10 Basic Types of Clouds and How to Recognize Them
    There are 10 main types of clouds, grouped by their shape and height in the sky Cumulus clouds are fluffy and white, often seen on sunny days as 'fair weather' clouds Nimbostratus clouds are dark and gray, bringing steady rain or snow across wide areas
  • Cloud - Wikipedia
    Clouds initially form in clear air or become clouds when fog rises above surface level The genus of a newly formed cloud is determined mainly by air mass characteristics such as stability and moisture content
  • Types of Clouds and How to Recognize Them
    Learn about 4 types and 10 types of clouds, how to recognize them, and the weather to expect when you see them in the sky
  • Ten Basic Clouds - National Oceanic and Atmospheric Administration
    From the World Meteorological Organization's (WMO) International Cloud Atlas, the official worldwide standard for clouds, the following are definitions of the ten basic cloud types, divided by their height: Cirrus (Ci), cirrocumulus (Cc), and cirrostratus (Cs) are high level clouds
  • What Are Clouds? | Smithsonian Science Education Center
    While it’s true that clouds contain water, they actually aren’t made of water vapor If they were, you wouldn’t be able to see them The water that makes up clouds is in liquid or ice form The air around us is partially made up of invisible water vapor
  • Clouds 101: How To Identify Different Types | Weather. com
    Curious about whether the clouds you see mean sunny skies, roaring storms or a stunning sunset? Here’s your guide to the different types of clouds and what they mean for you
  • Cloud - National Geographic Society
    Clouds form when air becomes saturated, or filled, with water vapor Warm air can hold more water vapor than cold air, so lowering the temperature of an air mass is like squeezing a sponge
  • 10 Types of Clouds Explained by Shape Altitude (With Chart)
    What are the 10 types of clouds by shape and altitude? Use our visual identification chart to quickly recognize cirrus, cumulus, stratus and storm clouds
  • How Do Clouds Form? | Water Cycle, Weather, Facts | Britannica
    Cloud formation, a key part of the water cycle, begins as moist air ascends into the atmosphere This occurs because, in most climates, moist air is less dense than dry air As the air rises, it encounters lower pressures, causing it to expand and cool
  • Unusual cloud formations - Met Office
    The rarer and more unusual cloud formations including nacreous, lenticular and mammatus clouds





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