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All cloud classification terms

Can you name all of the genera, species, varieties, supplementary features, accessory clouds, upper atmospheric clouds, and special clouds there are (According to the WMO Cloud Atlas)?
Types of noctilucent clouds are included
Mother clouds not included, except special clouds that are exclusive to being mother clouds
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Last updated: April 23, 2024
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First submittedApril 23, 2024
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Genera
Layer (or sheet) of puffy clouds
Stratocumulus
Extremely tall and dense, in the form of a tower
Cumulonimbus
Fibrous, delicate filaments in the upper troposphere
Cirrus
Blue-grey striated layer of clouds, mid-troposphere. Sun is partially visible through this cloud
Altostratus
White-grey sheet of cloud, rounded masses, sometimes partially fibrous or diffuse
Altocumulus
Grey cloud layer, made diffuse by continuous precipitation
Nimbostratus
Generally grey cloud layer with a uniform base, sometimes bringing drizzle, snow, or snow grains
Stratus
Thin layer of small grain-like clouds in the upper troposphere
Cirrocumulus
Detached clouds in the form of rising mounds
Cumulus
Transparent, whitish cloud veil, capable of producing halo phenomena
Cirrostratus
 
 
Species
Unique to cirrus; often shaped like a comma, terminating at the top like a hook
Uncinus
A long, horizontal, tube-shaped cloud mass
Volutus
Unique type of the cloud above
Morning Glory
Upward-protrubing puffy mounds beginning to lose their cumuliform outlines, with no cirriform part visible
Calvus
Clouds in the form of irregular shreds, which have a clearly ragged appearance
Fractus
Puffy cloud with limited vertical extent, and which appears as flattened
Humilis
Upper tropospheric-cloud, dense, which appear greyish when viewed in front of the sun
Spissatus
Shape of lenses, almonds, or UFOs
Lenticularis
Like a nebulous or ill-defined cloud veil or layer
Nebulosus
Small tufts with a cumuliform appearance, the lower part of which is ragged
Floccus
Strongly sprouting cumuliform cloud, the upper portion of which resembles cauliflower
Congestus
Spreads out in an extensive horizontal layer
Stratiformis
Detached clouds or a thin cloud veil, consisting of straight or slightly curved filaments that do not end in hooks or tufts
Fibratus
Often in the form of an anvil, with a fibrous cirriform top
Capillatus
Cumulus of moderate vertical extent, with sprouting at the top
Mediocris
Cumuliform protuberances in the form of turrets
Castellanus
Varieties
Arranged in the form of ribs
Vertebratus
Clouds in an extensive layer, sufficiently translucent to reveal the position of the sun or moon
Translucidus
A cloud showing a rolling pattern
Undulates
Contains circular perforations, arranged like a net or honeycomb
Lacunosus
Extensive cloud patch or layer, opaque enough to block out or mask the sun or moon
Opacus
Cirrus that are irregularly curved and tangled
Intortus
Parallel bands that, owing to perspective, seem to converge at a singular point on the horizon
Radiatus
Cloud patches, sheets, or layers, at at least two different levels. Can be partially merged
Duplicates
Extensive cloud layer, containing distinct or small spaces between the elements, enough to see the sun or moon
Perlucidus
 
 
Supplementary features
TORNADO!!! (and waterspouts)
Tuba
Unique type of the cloud above; a horizontal and detached cloud
Horseshoe vortex
A dense, horizontal roll, on the lower front part of certain clouds
Arcus
Hole-punched cloud, with a wisp typically falling from the central part of the hole
Cavum
Precipitation falling from the cloud and reaching the surface
Praecipitatio
Precipitation falling from the cloud that does not reach the surface. Trails of precipitation can be vertical or inclined
Virga
A relatively short-lived formation, which is found on the top part of the cloud in a breaking wave shape
Fluctus
A localised, persistent, often abrupt lowering of a cloud from the base of said cloud (unique to one genus)
Murus
The upper portion of a Cumulonimbus spread out in the shape of an anvil with a smooth, fibrous or striated appearance
Incus
Cloud whose etymology is from the Latin for 'breast' or 'udder'
Mamma
Extremely rare cloud; chaotic underside with minimal horizontal organisation, rolling, descending into sharp points
Asperitas
A horizontal, tail-shaped cloud (not a funnel) at low levels extending from the main precipitation region of a supercell Cumulonimbus
Cauda
Accessory clouds
Cap or hood on the top of a cumuliform cloud, often penetrating it
Pileus
An accessory cloud veil of great horizontal extent, close above or attached to the upper part of one or several cumuliform clouds that often pierce it.
Velum
Ragged shreds; below another cloud, sometimes attached to it
Pannus
Bands of low clouds associated with cumulonimbi, arranged parallel to low-level winds
Flumen
 
 
Special clouds
Clouds may develop as a consequence of convection initiated by heat from forest fires, wildfires or volcanic eruptions.
Flammagenitus
Developed as a consequence of human activity
Homogenitus
Homomutatus
Originating from aircraft, disappearing or transforming into another cloud in at least 10 minutes
Aircraft condensation trails
Forms within the vicinity of large waterfalls
Cataractagenitus
Originates over forests as a result of increased humidity due to evaporation and evapotranspiration from the canopy
Silvagenitus
 
 
Upper atmospheric clouds
Clouds found in the mesosphere, composing of ice crystals often condensing onto meteor dust. Seen during twilight most commonly in the summer; bluish or silvery in colour
Noctilucent clouds
Type I of the above cloud - tenuous and lack well-defined structure
Veils
Type II - originating oft in groups, roughly parallel to each other or interwoven in small angles Type IIa - Comprised of streaks with diffuse, blurred edges Type IIb - Have sharply defined edges
Bands
Type III - arranged within close space, roughly parallel short streaks. Sometimes gives the appearance of a comb or feather IIIa: Comprised of short, straight and narrow streaks IIIb: Exhibit a wave-like structure with undulations
Billows
Type IV - partial or, rarely, complete rings with dark centres IVa: Comprised of whirls of small radius of curvature. May appear as small bright crests IVb: Have the form of a simple bend of one or several bands IVc: Have a large-scale ring structure
Whirls
Shows very marked irisation; formed roughly at the ozone layer
Nacreous clouds
Stratospheric clouds with smaller and less numerous particles than the above cloud, and which exist at temperatures up to 6 °C above the ice point and contain solid hydrates or liquid solution droplets of nitric acid and water.
Water polar stratospheric clouds
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