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  1. Mammatus cloud - Wikipedia

    Mammatus (also called mamma[1] or mammatocumulus, meaning "mammary cloud") is a cellular pattern of pouches hanging underneath the base of a cloud, typically a cumulonimbus …

  2. Mammatus clouds are ominous and beautiful - EarthSky

    Jul 31, 2025 · Thank you, Michael! Mammatus clouds: Ominous and beautiful Mammatus clouds are pouch-like protrusions hanging from the undersides of clouds. You’ll usually find them …

  3. Mammatus Clouds Look Like Fluffy Bubble Wrap in the Sky

    Nov 30, 2023 · Mammatus clouds, which are made from falling air instead of rising air, are one of the most spectacular cloud formations you'll ever see.

  4. Mammatus Clouds - What Are They And How Are They Formed?

    Mammatus clouds, also called mammatocumulus clouds, are pouch-like structures that form beneath a thunderstorm’s anvil. Meteorologists consider Mammatus clouds to be strange and …

  5. Mammatus clouds - Met Office

    Mammatus clouds are some of the most unusual and distinctive clouds formations with a series of bulges or pouches emerging from the base of a cloud.

  6. What are Mammatus clouds and why are they so lumpy?

    Apr 30, 2024 · Mammatus clouds are large lumpy formations on the underside of clouds that look like large cow udders and come in advance of stormy weather.

  7. Mammatus Clouds - NASA

    Mar 24, 2024 · Mammatus occurs when air from the cloud layer descends into the clear air below and the cloud droplets evaporate, cooling down the air and making it descend even faster. …

  8. The beauty and mystery of mammatus clouds - severe-weather.eu

    Aug 29, 2024 · Mammatus clouds are probably the most unusual and distinctive cloud formations. They form on the underside of a thunderstorm’s anvil. Their name comes from the Latin word …

  9. Bubble Clouds: Defining Mammatus Clouds And How They Form

    Mar 3, 2025 · Mammatus clouds can look ominous & threatening. But what are these "bubble clouds," and what are their characteristics? We take a closer look.

  10. Mammatus Cloud Description: Sac-like Formation - WhatsThisCloud

    Learn all about mammatus clouds (mamma), including pictures and images of their various characteristics, how to identify them, and more.