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Want to know about the different types of clouds? Click here.
Now, Let's take a look at the different rare captivating cloud formations!
Source: ZMIE Science
- The name mammatus, derived from the Latin mamma (meaning "udder" or "breast") refers to a resemblance between the characteristic shape of these clouds and the breast of a woman. 
- They are often a warning of severe weather.
- These curvaceous clouds can extend for hundreds of miles 
*Seen on All Time 10's: 10 Strange Natural Phenomena - #7
- A towering vertical cloud that is very tall, dense, and involved in thunderstorms and other inclement weather.
- The name Cumulonimbus originates from the Latin words Cumulus which means "heap" and nimbus which means "cloud".
- A cumulonimbus incus (Latin incus, "anvil") is a cumulonimbus cloud which has reached the level of stratospheric stability and has formed the characteristic flat, anvil-top shape.
- They can form into supercells resulting into severe storms like tornadoes.
More at: Wikipedia
- Are stationary lens-shaped clouds that form at high altitudes, normally aligned perpendicular to the wind direction
- They are usually seen on mountains
- It has a circular shape and it is said that it can be an explanation for UFO sightings
Source: The Angels Wear Fins
(Nacreous Clouds - Antartica)
Source: Per-Handre Hoffmann
- Also called mother-of-pearl-clouds or polar stratospheric clouds.
- These are clouds in the winter polar stratosphere at altitudes of 15,000–25,000 meters (49,000–82,000 ft).
- "Noctilucent clouds are a relatively new phenomenon," says Gary Thomas, a professor at the University of Colorado who studies NLCs.
- "They were first seen in 1885" about two years after the powerful eruption of Krakatoa hurled plumes of volcanic ash as much as 80 km high in Earth's atmosphere. 
- A shelf cloud is a low, horizontal, wedge-shaped arcus cloud.
- Roll clouds are formed by strong outflow from a thunderstorm forcing surrounding air upwards.
- These are small, ragged cloud fragments that are usually found under an ambient cloud base. They form or have broken off from a larger cloud, and are generally sheared by strong winds, giving them a jagged, shredded appearance. Fractus have irregular patterns, appearing much like torn pieces of cotton candy. 
11. Wave Clouds
Source: Trek Earth - Jambomita
- Morning glory clouds are about 100-200 meters high from the air and occur in different locations around the globe.Morning glory clouds can be seen as roll clouds because they can come in rows. 
Source: Wikipedia - Ave
- The species of this cloud is "undulatus" which means "wave" In Latin. The variety of the cloud is "asperatus" which means "roughened" so the name literally descibes how this cloud looks, like rough waves. 
(A pileus cloud surrounding the top of the volcano's ash cloud.)
- , Also called scarf cloud or cap cloud, is a small, horizontal, altostratus cloud that can appear above a cumulus or cumulonimbus cloud, giving the parent cloud a characteristic "hoodlike" appearance.
- Amsterdam-based artist Berndnaut Smilde originally made the 'Nimbus' cloud installation for Probe back in 2010.
- "I wanted to make a very clear image, an almost cliche and cartoon-like visualization of having bad luck, Indeed there's nothing here and bullocks, it's starting to rain!" - Berndaut Smilde
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Checked by: Prof. Crisencio M. Paner