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  2. Cumulonimbus cloud - Wikipedia

    en.wikipedia.org/wiki/Cumulonimbus_cloud

    When causing thunderstorms, these clouds may be called thunderheads. Cumulonimbus can form alone, in clusters, or along squall lines. These clouds are capable of producing lightning and other dangerous severe weather, such as tornadoes, hazardous winds, and large hailstones.

  3. Sprite (lightning) - Wikipedia

    en.wikipedia.org/wiki/Sprite_(lightning)

    A sprite over Southeast Asia as seen from space.. Sprites or red sprites are large-scale electric discharges that occur in the mesosphere, high above thunderstorm clouds, or cumulonimbus, giving rise to a varied range of visual shapes flickering in the night sky.

  4. Thunderstorm - Wikipedia

    en.wikipedia.org/wiki/Thunderstorm

    A thunderstorm, also known as an electrical storm or a lightning storm, is a storm characterized by the presence of lightning [1] and its acoustic effect on the Earth's atmosphere, known as thunder. [2] Relatively weak thunderstorms are sometimes called thundershowers. [3] Thunderstorms occur in a type of cloud known as a cumulonimbus. [4]

  5. Funnel cloud - Wikipedia

    en.wikipedia.org/wiki/Funnel_cloud

    On July 29, 2013, a cold-core funnel cloud touched down as an EF0 tornado in Ottawa, Ontario, Canada, causing extensive damage in the form of downed trees on a golf course. No advance weather watches or warnings were issued by Environment Canada, and the tornado was spawned from one of the few non-severe storm clouds moving through the area ...

  6. The apocalyptic moment a thunderstorm erupted inside a ... - AOL

    www.aol.com/news/2015-01-06-the-apocalyptic...

    By RYAN GORMAN Recently released images show the stunning moment lightning bolts shot across a massive ash cloud emanating from an Indonesian volcano. The shock lightning occurred nearly one year ...

  7. Overshooting top - Wikipedia

    en.wikipedia.org/wiki/Overshooting_top

    A storm powerful enough to produce a lasting overshooting top typically produces the following [citation needed]: Heavy rain; a deluge of rain could fall from this storm in a short amount of time. Strong straight-line wind from downbursts; the storm clouds have powerful winds churning inside them. These winds are likely to be felt at the ...

  8. Cumulonimbus capillatus - Wikipedia

    en.wikipedia.org/wiki/Cumulonimbus_capillatus

    A cumulonimbus capillatus is a cumulonimbus cloud with dense cirrus clouds above it, making the cloud top appear to contain hair-like structures. The name comes from the Latin word capillatus, meaning "with hair". [1] It is an intermediate stage between cumulonimbus calvus and cumulonimbus incus.

  9. Lightning - Wikipedia

    en.wikipedia.org/wiki/Lightning

    The upward motions within the storm and winds at higher levels in the atmosphere tend to cause the small ice crystals (and positive charge) in the upper part of the thunderstorm cloud to spread out horizontally some distance from the thunderstorm cloud base. This part of the thunderstorm cloud is called the anvil. While this is the main ...