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When viewed from the side cumulonimbus clouds are white, but from below they are gray or even black. Some can take on a bluish or greenish hue.
It forms when cirrus or cirrostratus is warmed gently from below. This causes air to rise and sink inside the cloud. Some of the ice crystals change into water vapor, and gaps appear.
Well there are actually 9 international cloud types. There are some on-line cloud charts available if you do a search. The meaning of cirrus or the prefix cirro means high clouds up around 25,000 ft. Alto or middle clouds areb from 7000 to 15,000 ft, while cumulus cloud bases or any low cloud without a prefix range from 100 ft to 6000 ft. The suffix stratus refers to smooth topped, while cumulus are lumpy on top. OK from the top down 1. cirrus 2. cirrostratus 3. cirrocumulus 4. altocumulus 5. altostratus 6. stratocumulus 7. stratus 8. cumulus 9 cumulonimbus - nimbus as a suffix means rain if falling from the cloud. altostratus or stratus producing rain are often referred to as nimbostratus.
They are not the same. Some clouds move in different ways. Some clouds are shaped different. But, clouds are all made the same.
These are all types of clouds. Stratus clouds form layers or smooth, even sheets in the sky. Cumulus clouds are masses of puffy, white clouds, often with flat bases. Some prefixes of cloud names describe the height of the cloud base. The prefixaltodescribes middle-elevation clouds. Clouds associated with rain or snow often have the the word nimbus attached to them. So, altostratus clouds are clouds that form layers, or smooth, even sheets in the sky at middle-elevation, altocumulus clouds are masses of puffy, white clouds, often with flat bases at middle-elevation, and nimbostratus clouds are clouds that form smooth, even sheets in the sky and are associated with rain or snow.
Cirrostratus Altostratus Stratocumulus Cumulonimbus Cirrocumulus Altocumulus Nimbostratus Stratocumulus Cumulonimbus
Cumulonimbus clouds
Some prefixes of cloud names describe the height of the cloud bases. Some clouds' names combine the altitude prefix with the term status or cumulus. The answer for the question is Cirrostratus.
When viewed from the side cumulonimbus clouds are white, but from below they are gray or even black. Some can take on a bluish or greenish hue.
There is no such thing as a cumulonimbus tornado. A cumulonimbus cloud is a ver large towering cloud. Most thunderstorms are cumulonimbus clouds, and some of the strongest of these storms are what produce tornadoes.
Almost all clouds, including the cumulonimbus, are contained in the troposphere although some clouds occasionally protrude upward into the next level.
There are lots of clouds; cirrus, cumulus, cirrocumulus, cumulonimbus, stratus, nimbostratus, altocumulus, altostatus, and fog.
Tornadoes develop during thunderstorms, which are themselves giant cumulonimbus clouds. Some tornadoes are produced by hurricanes, but most are not.
There does not appear to be an official collective term for a group of clouds. Some people call them a group of clouds. Others just use "a group of" and the type of cloud they see like cirrus clouds or cumulonimbus clouds.
Thunderstorms form from cumulonimbus clouds, but they don't have to be low. Some of these thunderstorms can produce tornadoes, but not all. A thunderstorm is the only thing that can produce a tornado. Tornadoes form best from low-based thunderstorms.
Cumulonimbus clouds form when the atmosphere is unstable. One factor in an unstable atmosphere is a rapid temperature drop with increasing height. When the sun can shine directly on the ground it heats the lowest part of the atmosphere, which can lead to instability. Conversely, clouds block some of the sun's light from reaching the ground and tend to make the atmosphere more stable, which makes it harder for cumulonimbus clouds to form.
Clouds are divided into two general categories: layered and convective. These are named stratus clouds (or stratiform, the Latin stratus means "layer") and cumulus clouds (or cumuliform; cumulus means "piled up"), respectively. These two cloud types are divided into four more groups that distinguish the cloud's altitude. Clouds are classified by the cloud base height, not the cloud top. This system was proposed by Luke Howard in 1802 in a presentation to the Askesian Society. High clouds (Family A) * Cirrocumulus * Cirrus cloud * Cirrostratus Middle clouds (Family B) * Altostratus * Altocumulus Low clouds (Family C) These are found up to 2,000 m (6,500 feet) and include the stratus (dense and grey). When stratus clouds contact the ground, they are called fog. Clouds in Family C include: * Cumulus (Cu) * Cumulus humilis ** Cumulus mediocris * Stratocumulus (Sc) * Nimbostratus (Ns) * Stratus (St) Vertical clouds (Family D) These clouds can have strong up-currents, rise far above their bases and form at many heights. Clouds in Family D include: * Cumulonimbus (associated with heavy precipitation and thunderstorms) (Cb) * Cumulonimbus calvus ** Cumulonimbus incus ** Cumulonimbus with mammatus * Cumulus (Cu) * Cumulus congestus * Pyrocumulus Other clouds A few clouds can be found above the troposphere; these include noctilucent and polar stratospheric clouds (or nacreous clouds), which occur in the mesosphere and stratosphere respectively. Some clouds form as a consequence of interactions with specific geographical features. Perhaps the strangest geographically-specific cloud in the world is Morning Glory, a rolling cylindrical cloud which appears unpredictably over the Gulf of Carpentaria in Northern Australia. Associated with a powerful "ripple" in the atmosphere, the cloud may be "surfed" in glider aircraft.