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  1. Center for Science Education
    https://scied.ucar.edu/learning-zone/clouds/how-clouds-form

    Clouds and How They Form - Center for Science …

    • The water and ice that make up clouds travels into the sky within air as water vapor, the gas form of water. Water vapor gets into air mainly by evaporation– some of the liquid water from the ocean, lakes, an… See more

    Water Vapor condenses to Form A Cloud

    It’s easier for water vapor to condense into water droplets when it has a particleto condense … See more

    Center for Science Edu…
    Clouds Form in Different Ways

    Some clouds form as air warms up near the Earth's surface and rises. Heated by sunshine, the ground heats the air just above it. That warmed air starts to rise because, wh… See more

    Center for Science Education
    What are different types of clouds and how do they form?
    Space.com
    How Do Clouds Form? - NASA Climate Kids
    The Short Answer: Clouds are created when water vapor, an invisible gas, turns into liquid water droplets. These water droplets form on tiny particles, like dust, that are floating in the air. A camera on …
    NASA Climate Kids · https://climatekids.nasa.g…
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    Table of Contents
    Water Vapor condenses to Form A Cloud
    Clouds Form in Different Ways
     
  1. 6500 feet
    • According to 2 sources
    Low clouds occur below 6500 feet, and normally consist of liquid water droplets or even supercooled droplets, except during cold winter storms when ice crystals (and snow) comprise much of the clouds.

    Cloud Classifications and C…

    weather.gov
    Generally, as the tropopause's height decreases, the elevations at which clouds occur also decreases. The exception is low clouds which typically have cloud bases within the first 6,500 feet (2,000 meters) of the surface.

    The Four Core Types of Clou…

    noaa.gov
     
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  3. Space.com
    https://www.space.com/types-of-clouds

    What are different types of clouds and how do they …

    WEBOct 12, 2023 · Earth's clouds are primarily made out of water, and you'll find them from the ground as fog all the way to altitudes up to 47 to 53 miles (76 to 85 km), where you'll find the rare noctilucent...

     
  4. NASA Climate Kids
    https://climatekids.nasa.gov/cloud-formati…

    How Do Clouds Form? - NASA Climate Kids

    WEBSep 25, 2024 · The Short Answer: Clouds are created when water vapor, an invisible gas, turns into liquid water droplets. These water droplets form on tiny particles, like dust, that are floating in the air. A camera on NASA’s …

  5. National Oceanic and Atmospheric Administration
    https://www.noaa.gov/jetstream/clouds/ho…

    How Clouds Form - National Oceanic and Atmospheric …

    WEBMar 28, 2023 · How Clouds Form. There are two ingredients needed for clouds to form: water and nuclei. Clouds. Nuclei. Water is always present in Earth’s atmosphere in some form. However, water molecules on their …

  6. ThoughtCo
    https://www.thoughtco.com/types-of-clouds...

    The 10 Basic Types of Clouds and How to Recognize Them

  7. NASA Jet Propulsion Laboratory (JPL)
    https://www.jpl.nasa.gov/edu/learn/project…

    The Types of Clouds and What They Mean - NASA Jet …

    WEBStratus – Low clouds, light or dark gray and generally uniform in appearance and covering most of the sky. Fog is a stratus cloud. Stratocumulus – Low clouds with irregular masses of clouds, rolling or …

  8. NASA
    https://www.nasa.gov/.../what-are-clouds-grades-5-8

    What Are Clouds? (Grades 5-8) - NASA

  9. ucar.edu
    https://scied.ucar.edu/learning-zone/clouds/cloud-types

    Cloud Types - Center for Science Education

  10. ThoughtCo
    https://www.thoughtco.com/how-do-cloud…

    How Do Clouds Form? Cloud Ingredients and …

    WEBFeb 4, 2019 · The type of cloud and altitude (low, middle, or high) it forms at is determined by the level where an air parcel becomes saturated. This level changes based on things like temperature, dew point temperature, and …

  11. Britannica
    https://www.britannica.com/science/clou…

    Cloud | Types, Formation & Effects | Britannica

    WEBSep 18, 2024 · Low clouds, 2 to 0 km (6,500 to 0 feet), are stratocumulus, stratus, and nimbostratus. A cloud that extends through all three heights is called a cumulonimbus. A cloud at the surface is called a fog. Clouds …