Cumulonimbus
Cumulonimbus
Cumulonimbus (pronounced: kyo͞oˌmyəlōˈnimbəs) is a type of cloud that is tall, dense, and involved in thunderstorm and other intense weather phenomena. The term is derived from Latin cumulus ("heap") and nimbus ("rainstorm", "cloud").
Definition
Cumulonimbus clouds are a type of cloud that is large, towering, and often associated with severe weather conditions. They are capable of producing severe storms, thunderstorms, tornadoes, and even hail. These clouds can reach heights of over 20,000 feet and are often characterized by their anvil-shaped tops.
Characteristics
Cumulonimbus clouds are characterized by their large size, dark color, and anvil shape. They are formed by intense updrafts of warm, moist air, often in conjunction with a cold front. The top of the cloud can spread out into an "anvil shape", hence the name "anvil cloud".
Formation
The formation of a cumulonimbus cloud begins when warm, moist air rises in a large, powerful updraft. As the air rises, it cools and condenses, forming a cloud. If the updraft is strong enough, the cloud can grow into a cumulonimbus cloud, reaching high into the atmosphere.
Associated Weather Phenomena
Cumulonimbus clouds are associated with a variety of severe weather phenomena. They are most commonly associated with thunderstorms, but can also produce tornadoes, hail, heavy rain, and strong winds. In some cases, they can even produce lightning and thunder.
Related Terms
- Cloud: A visible mass of condensed water vapor floating in the atmosphere, typically high above the ground.
- Thunderstorm: A storm with thunder and lightning and typically also heavy rain or hail.
- Tornado: A mobile, destructive vortex of violently rotating winds having the appearance of a funnel-shaped cloud and advancing beneath a large storm system.
- Hail: Pellets of frozen rain that fall in showers from cumulonimbus clouds.
External links
- Medical encyclopedia article on Cumulonimbus
- Wikipedia's article - Cumulonimbus
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