Homomutatus Cloud: Caused By Human Activity

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Definition: A transformed variation of homogenitus clouds that takes on a more natural appearance

Description & Characteristics. With homo translated from latin meaning human and mutatus translated from latin meaning mutated from, the ‘homomutatus’ cloud formation is found in three cloud types: cirrus, cirrocumulus, and cirrostratus. The proper cloud classification abbreviation for this cloud type is ‘Ci homut’, ‘Cc homut’, and ‘Cs homut’. They describe a cloud that forms from a human source (homogenitus) but has mutated into a cloud that has a more natural appearance.

After aircraft contrails persist for a certain amount of time, there’s a chance that upper-level winds push and morph these into clouds that appear completely natural. Should a contrail eventually turn into comma-shaped cirrus clouds (uncinus cloud species), you’d classify them as cirrus uncinus homomutatus. Should the contrail break up into high-altitude cloudlets, you’d classify them as cirrocumulus homomutatus. And should a contrail can even persist long enough to become fibrous cloud layer covering a large portion of the sky, you’d classify the cloud as cirrostratus fibratus homomutatus.

Cirrus fibratus homomutatus (Ci fib homut)
Cirrus homomutatus (Ci homut)
Cirrus fibratus homomutatus (Ci fib homut)
Cirrostratus fibratus homomutatus (Cs fib homut)
Cirrus fibratus homomutatus (Ci fib homut)

Homomutatus Cloud Types

The homomutatus cloud is associated with three cloud types: cirrus, cirrocumulus, and cirrostratus.

A graphical illustration of a cirrus homomutatus cloud

Cirrus (Ci)

High, wispy streaks

A graphical illustration of a cirrocumulus homomutatus cloud

Cirrocumulus (Cc)

High-altitude cloudlets

A graphical illustration of a cirrostratus homomutatus cloud

Cirrostratus (Cs)

Pale, veil-like layer