User:Rollcloud/gallery/clouds
This is a subcategory exclusive for my photos of clouds, the cloud types will be ordered from low clouds on top to high clouds on the bottom
Stratus edit
Low-level stratiform cloud that forms by gentle winds carrying moist air up, which then condenses into a stratus cloud
Stratus: Species edit
Stratus cloud species
Stratus nebulosus edit
Feature-less, usually white low-level cloud, indicates the presence of light wind and atmospheric stability
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Stratus nebulosus
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Stratus on a hill
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Stratus nebulosus
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Stratus nebulosus (from the ground)
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Stratus nebulosus
Stratus fractus edit
Ragged and wispy stratus clouds, they are caused by strong winds blowing off parts of stratus and/or stratocumulus clouds, and are also seen in thunderstorms and rainstorms, in this case they are caused by bits of moisture condensing into clouds
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Stratus fractus clouds
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Stratus fractus
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Stratus cloud on a mountain range
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Dissipating stratus clouds
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Stratus nebulosus opacus and stratus fractus.
Stratus: Varieties edit
Stratus cloud varieties
Stratus undulatus edit
Rare cloud type which is formed by disturbances in the gentle wind shear
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Stratus undulatus
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Stratus undulatus asperitas
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Stratus undulatus
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Stratus undulatus
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Stratus undulatus
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Stratus undulatus
Stratus translucidus edit
Stratus clouds in which the Sun or Moon's position is visible
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Stratus translucidus at daytime
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Stratus translucidus at nighttime
Stratus opacus edit
Stratus clouds that are thick enough to hide the Sun or Moon´s position
Stratus: Supplementary features edit
Stratus cloud supplementary features
Stratus fluctus edit
Rare and short lived cloud type in which what appear to be sea waves are visible in a lower cloud base
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Stratus fluctus
Stratus praecipitatio edit
Stratus clouds that produce light drizzle/rain and ice crystals that reach the ground
Stratus: Mother clouds edit
Stratus that originate from other cloud types and/or formation mechanisms that aren´t typical of stratus clouds
Stratus silvagenitus edit
Stratus clouds that form as a result of evaporation and/or evapotranspiration in forests, normally after it has rained in a forested area or in a particularly humid day in such areas
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Stratus silvagenitus
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Stratus silvagenitus
Stratus caractagenitus edit
Stratus clouds that originate from the spray and condensation in water falls
Stratus homogenitus edit
Stratus clouds that originate from human activity
Stratus nimbostratogenitus edit
Stratus clouds that originate from the partial transformation of a nimbostratus cloud, normally a few minutes after the cloud has stopped producing precipitation
Nimbostratus edit
low-level Stratiform cloud which produces continuous precipitation.
Nimbostratus: Supplementary features edit
Nimbostratus supplementary features
Nimbostratus praecipitatio edit
Nimbostratus producing precipitation
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Nimbostratus cloud
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Nimbostratus with raindrops in a car window
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Nimbostratus cloud
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Nimbostratus cloud
Nimbostratus virga edit
Nimbostratus producing precipitation that evaporates before reaching the ground
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Nimbostratus pannus edit
Stratus fractus clouds formed under nimbostratus producing precipitation
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Nimbostratus praecipitatio pannus
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Decaying former nimbostratus
Cumulus edit
Low level vertical cloud which forms as a result of thermals from the ground; if said thermal is strong enough, the cloud can turn into a cumulus congestus and cumulonimbus.
Cumulus: Species edit
Cumulus cloud species
Cumulus humilis edit
Flat and white cloud (sometimes has light-grey colored cloud base), indicates atmospheric stability and continous fair weather
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Cumulus humilis stratogenitus
Cumulus mediocris edit
Puffy white cloud with a bright sun-lit head but a dark underside, indicates moderate atmospheric instability and considerable upcurrents
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Cumulus mediocris
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Cumulus mediocris cloud
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Cumulus mediocris cloud
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Mature cumulus mediocris
Cumulus congestus edit
Cumulus clouds that are taller than they are wide, they indicate strong upward air movement and atmospheric instability
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Young cumulus congestus
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Cumulus congestus clouds
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Cumulus congestus
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Cumulus congestus
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Cumulus congestus
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Cumulus congestus
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Cumulus congestus
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Precipitation from a cumulus congestus vloud
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Underside of cumulus congestus
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Cumulus congestus praecipitatio pannus
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Cumulus congestus pileus
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Cumulus congestus velum
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Cumulus congestus clouds near a small mountain
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Cumulus congestus in an environment with wind shear
Cumulus castellanus edit
Cumulus cloud base that has cumulus clouds that are taller than they are wide
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Cumulus castellanus
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Cumulus castellanus
Cumulus fractus edit
Ragged cumulus clouds, often found in environments with strong winds
Cumulus: Varieties edit
Cumulus cloud varieties
Cumulus radiatus edit
Cumulus clouds aligned in lines parallel to the wind shear
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Cumulus radiatus
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Cumulus mediocris radiatus
Cumulus: Supplementary features edit
Cumulus cloud supplementary features
Cumulus pileus edit
Lenticular-like cloud that forms above a cumulus cloud, this cloud type forms when there's rapidly rising air within the cloud, which indicates that there's a strong updraft within the cloud and that the cumulus cloud has a high chance of turning into a cumulus congestus and evem a cumulonimbus cloud.
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Cumulus humilis pileus
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Cumulus mediocris pileus
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Cumulus humilis pileus
Cumulus fluctus edit
Cumulus clouds with waves in it resembling sea waves, this cloud type is rare and short-lived
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Cumulus fractus fluctus
Cumulus virga edit
Precipitation from a cumulus that evaporates before reaching the ground
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Cumulus virga
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Cumulus virga
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Cumulus mediocris virga
Cumulus tuba edit
Funnel cloud from a cumulus cloud, normally associated with fair weather
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Cumulus humilis tuba
Cumulus praecipitatio edit
Rain from a cumulus cloud that reaches the ground
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Cumulus humilis praecipitatio
Cumulus arcus edit
Shelf cloud in a cumulus cloud, very uncommon
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Cumulus pannus edit
Ragged. wispy stratus fractus clouds found under cumulus clouds producing precipitation
Cumulus velum edit
Horizontal cloud veil in a cumulus cloud, very rare.
Cumulus caractagenitus edit
Cumulus clouds originating from the spray and condensation of water falls
Cumulus flammagenitus edit
Cumulus clouds originating from the hot air of fires, whether they are wildfires, or, in rarer cases, urban fires
Cumulus homogenitus edit
Cumulus clouds originating from human activity
Cumulonimbus edit
Multi-level cloud that forms as a result of a strong updraft
Cumulonimbus: Species edit
Cumulonimbus cloud species
Cumulonimbus calvus edit
The most common type of cumulonimbus cloud, this cloud type is formed by an updraft of warm and moist air, it's the next stage of a cumulus congestus cloud, indicates atmospheric instability
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Cumulonimbus calvus
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Developing calvus
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Cumulonimbus calvus
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Cumulonimbus calvus
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Cumulonimbus calvus on cumulonimbus incus' flanking line
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Developing cumulonimbus calvus over mountain; orographic cloud
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Orographic Cumulonimbus Calvus
Cumulonimbus capillatus edit
Intermediate stage between cumulonimbus calvus and cumulonimbus incus, indicates strong atmospheric instability
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Cumulonimbus capillatus
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Dissipating capillatus
Cumulonimbus: Supplementary features edit
Cumulonimbus supplementary features
Cumulonimbus incus edit
Mature cumulonimbus, this cloud develops after the evolution of a cumulonimbus capillatus cloud, indicates strong atmospheric instability, typically includes an anvil cloud of cirrus/cirrostratus, which spreads horizontally
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Cumulonimbus incus
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Young cumulonimbus incus
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Underside of a cumulonimbus incus' anvil cloud, which also happens to have mammatus clouds
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Cumulonimbus incus
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Cumulonimbus incus
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Cumulonimbus incus
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Cumulonimbus incus and cumulonimbus pannus
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Cloud base from a cumulonimbus incus cloud
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Cumulonimbus incus with cumulus clouds forming besides it
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Cumulonimbus incus forming in sea
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Typical Mexican summer cumulonimbus incus cloud
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Cumulonimbus incus with stratocumulus castellanus
Cumulonimbus arcus edit
Cloud that may or may not be attached to the cumulonimbus parent cloud, this cloud type is formed when cool air from a thunderstorms downdraft starts moving the warm and moist air that was already present upward, this warm and moist air then cools and expands as it rises, and it condenses into an arcus cloud, there are two types of arcus clouds, shelf cloud and roll clouds, with roll clouds being the rarest; while shelf clouds are attached to the cumulonimbus parent cloud, roll clouds arent.
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Cumulonimbus arcus
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Cumulonimbus arcus
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Cumulonimbus arcus
Cumulonimbus murus edit
Cumulonimbus accesory cloud that sometimes exhibits rotation, typically forms in a rain-cooled area that is also rain-free
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Cumulonimbus murus
Cumulonimbus cauda edit
Cumulonimbus murus cloud with a "tail"
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Cumulonimbus murus cauda
Cumulonimbus pileus edit
Short-lived cloud that forms in cumulonimbus(calvus only), they are formed in clouds in which the air is rising so rapidly it condenses into a hooded cap cloud, this cloud indicates that the updraft (or updrafts) within the storm are strong, and that severe weather will probably happen
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Cumulonimbus pileus
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Cumulonimbus pileus
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Cumulonimbus pileus
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Cumulonimbus calvus pileus
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Cumulonimbus calvus pileus & Stratocumulus floccus
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Cumulonimbus calvus pileus
Cumulonimbus mamma edit
Bubble-like protuberances present in thunderstorms, they are often found in the anvil cloud of the cumulonimbus
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Mammatus clouds
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Mammatus clouds
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Cumulonimbus incus mamma
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Remnants of a severe thunderstorm in Northern Mexico, associated with a cold front
Cumulonimbus pannus edit
Stratus fractus in the area the cumulonimbus cloud is covering, this cloud type typically forms in the updraft of the thunderstorm, as the cumulonimbus absorbs the moisture present in the air, some of it condenses as it rises and cools, this ends up producing the pannus cloud, it also forms while the cloud is producing precipitation, as bits of moisture in the air condense into clouds, most pannus clouds form near the ground
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Scud cloud
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Cumulonimbus pannus, in this case, they formed in the updraft, behind the house in the photo is a lake, and there was also moisture already present on the air.
Cumulonimbus praecipitatio edit
Cumulonimbus producing precipitation
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Cumulonimbus praecipitatio
Cumulonimbus virga edit
Cumulonimbus producing precipitation that evaporates before reaching the ground
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Cumulonimbus praecipitatio virga pannus
Cumulonimbus velum edit
Altostratus cloud that forms around and in the middle of a cumulonimbus cloud, it forms in the presence of a humid and stable layer of air near the cumulonimbus cloud, this cloud type is rare
Cumulonimbus tuba edit
Cumulonimbus with a funnel cloud/tornado
Cumulonimbus flumen edit
Long tail-like cloud that, unlike cauda, is detached from the murus accesory cloud
Cumulonimbus flammagenitus edit
Cumulonimbus originated from the hot air of a fire, the fire may be natural (wildfire) or man-made (in rarer cases)
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Stratocumulus edit
Low-level stratocumuliform clouds
Stratocumulus: Species edit
Stratocumulus cloud varieties
Stratocumulus castellanus edit
Stratocumulus cloud base with turrets that rise vertically, this type of cloud indicates increasing atmospheric instability
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Stratocumulus castellanus
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Early stages of stratocumulus castellanus
Stratocumulus floccus edit
Ragged but cumuliform stratocumulus clouds that come in groups, this cloud type indicates atmospheric instability at the level the clouds are in
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Stratocumulus floccus after the passage of a weak cold front
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Stratocumulus floccus with bits of sunlight in them at sunset
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Stratocumulus floccus
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Extreme and awkward close up of stratocumulus floccus
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Stratocumulus floccus with possible stratocumulus castellanus in background
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Stratocumulus floccus after a sunset
Stratocumulus lenticularis edit
Stratocumulus in a shape similar to a lens or an almond, they are formed by waves of wind that were formed by wind passing over obstacles (e.g. hills, buildings, etc.)
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Stratocumulus lenticularis
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Stratocumulus lenticularis
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Stratocumulus lenticularis
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Stratocumulus lenticularis
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Stratocumulus lenticularis
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Stratocumulus lenticularis in a desert
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Stratocumulus lenticularis
Stratocumulus stratiformis edit
Stratocumulus clouds that come in large, lumpy sheets, they have minimal convective activity
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Stratocumulus mamma
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Stratocumulus stratiformis opacus
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Sc strt op
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Stratocumulus originating from an early morning stratus cloud
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Stratocumulus mamma (small)
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Stratocumulus opacus stratiformis mamma
Stratocumulus volutus edit
Uncommon tube-shaped stratocumulus cloud type
Stratocumulus: Varieties edit
Stratocumulus cloud varieties
Stratocumulus undulatus edit
Type of stratocumulus cloud with undulations in it, or stratocumulus clouds aligned in rows perpendicular to the wind shear, normally caused by sinusoidal oscillation in the atmosphere
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Stratocumulus opacus stratiformis undulatus asperitas
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Stratocumulus undulatus opacus
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Stratocumulus undulatus
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Stratocumulus (possibly undulatus) stratiformis opacus
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Stratocumulus undulatus during stormy conditions
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Stratocumulus radiatus undulatus clouds, with lower cumulus clouds
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Stratocumulus undulatus & Stratocumulus lenticularis
Stratocumulus radiatus edit
Stratocumulus clouds aligned in lines parallel to the wind shear
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Stratocumulus radiatus
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Stratocumulus radiatus
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Stratocumulus radiatus
Stratocumulus lacunosus edit
Rare and short-lived stratocumulus cloud type with holes that resemble a honeycomb, they are caused by localized downdrafts striking the cloud
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Stratocumulus lacunosus
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Stratocumulus lacunosus
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Stratocumulus lacunosus
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Stratocumulus lacunosus
Stratocumulus opacus edit
Stratocumulus cloud that is thick enough to hide the Sun or Moon
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Stratocumulus opacus
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Stratocumulus opacus
Stratocumulus translucidus edit
Stratocumulus cloud that is thin enough to reveal the Sun or Moon´s position
Stratocumulus perlucidus edit
Stratocumulus with gaps
Stratocumulus duplicatus edit
Multilayered stratocumulus
Stratocumulus: Supplementary features edit
Stratocumulus cloud supplementary features
Stratocumulus cavum edit
Fallstreak hole in a stratocumulus cloud
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Stratocumulus fluctus edit
Stratocumulus cloud base with waves in them, which resemble sea waves.
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Stratocumulus fluctus during the arrival of a cold front, before a windy day
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Stratocumulus fluctus
Stratocumulus praecipitatio edit
Precipitation from stratocumulus clouds that reaches the ground
Stratocumulus mamma edit
Bubble-shaped protuberances in a stratocumulus cloud cover
Stratocumulus virga edit
Precipitacion from a stratocumulus cloud that evaporates before hitting the ground
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Stratocumulus asperitas edit
Chaotic, wavy stratocumulus underside
Altostratus edit
Mid-level stratiform cloud that forms when a large, moist and stable air mass rises and condenses
Altostratus: Varieties edit
Altostratus duplicatus edit
Multilayered altostratus cloud
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Altostratus translucidus edit
Altostratus cloud in which the Sun or Moon are visible through
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Altostratus translucidus
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Altostratus translucidus
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Altostratus translucidus
Altostratus undulatus edit
Altostratus cloud that presents undulations in it or altostratus aligned in lines perpendicular to the wind shear, usually formed by gravity waves
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Altostratus undulatus asperitas
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Altostratus undulatus
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As un
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Altostratus undulatus duplicatus
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Altostratus undulatus
Altostratus opacus edit
Altostratus that can block the Sun or Moon
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Altostratus opacus
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Altostratus opacus
Altostratus radiatus edit
Altostratus aligned in lines parallel to the wind shear
Altostratus: Supplementary features edit
Altostratus supplementary features
Altostratus praecipitatio edit
Rain from an altostratus cloud that reaches the ground
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Altostratus virga edit
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Altostratus mamma edit
Altostratus with bubble-like protuberances falling from them
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Small region of altostratus mamma during it's transformation to cirrostratus to altostratus
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Deformed Altostratus mamma during sunset
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Altostratus mamma
Altostratus pannus edit
Ragged fractus clouds underneath an altostratus cloud cover
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Altostratus translucidus pannus
Altocumulus edit
Mid-level stratocumuliform cloud
Altocumulus: Species edit
Altocumulus castellanus edit
Altocumulus cloud base with rising turrets in it, indicates atmospheric instability.
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Altocumulus castellanus
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Altocumulus castellanus
Altocumulus floccus edit
Altocumulus with a Cumuliform head and ragged undersides
Altocumulus lenticularis edit
Altocumulus in the shape of a lens or almond, this type of cloud is often confused with an UFO, iindicates that warmer and windier weather is probably on the way
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Altocumulus lenticularis
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Altocumulus lenticularis
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Altocumulus lenticularis
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Altocumulus lenticularis
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Altocumulus lenticularis
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Altocumulus lenticularis caused by moist thunderstorm winds going up and down a portion of a mountain
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Altocumulus lenticularis
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Altocumulus lenticularis duplicatus
Altocumulus stratiformis edit
Altocumulus in large sheets that cover a large part of the sky. Indicates slight air mass instability
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Altocumulus perlucidus translucidus stratiformis
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Altocumulus in the morning
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Altocumulus translucidus stratiformis cloud
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High altocumulus with low stratocumulus
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Altocumulus stratiformis opacus perlucidus
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Altocumulus stratiformis opacus perlucidus
Altocumulus volutus edit
Rare, tube-shaped altocumulus cloud type
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Early stages of an altocumulus volutus
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Altocumulus volutus
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distant altocumulus volutus
Varieties edit
Altocumulus cloud varieties
Altocumulus undulatus edit
Altocumulus cloud with undulations in it or lines aligned perpendicular to the wind shear, caused by gravity waves
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Altocumulus undulatus clouds
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Altocumulus undulatus clouds, zoomed in
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Undulatus
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Undulatus
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Ac un
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Ac un
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Ac un
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Ac un
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Altocumulus stratiformis undulatus clouds
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Ac st un
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Altocumulus undulatus
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Altocumulus perlucidus translucidus undulatus
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Altocumulus radiatus undulatus
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Small patches of altocumulus undulatus
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Altocumulus undulatus with cirrocumulus undulatus on top of it.
Altocumulus radiatus edit
Altocumulus aligned in rows parallel to the wind shear
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Altocumulus radiatus
Altocumulus lacunosus edit
Altocumulus cloud with holes in it, which resemble a honeycomb, caused by the interaction of a cold layer of air with a watmer layer of air in the atmosphere, which in return causes downdrafts and these strike the cloud
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Altocumulus lacunosus with altocumulus floccus near it
Altocumulus opacus edit
Altocumulus clouds that are thick enough to hide the Sun or Moon
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Altocumulus stratiformis opacus
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Altocumulus stratiformis opacus
Altocumulus perlucidus edit
Altocumulus clouds with gaps that make higher clouds visible
Altocumulus duplicatus edit
Multi-layered altocumuliform clouds
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Altocumulus translucidus edit
Altocumulus clouds that are thin enough to reveal the position of the Sun or Moon
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Altocumulus stratiformis translucidus
Altocumulus: Supplementary features edit
Altocumulus cloud supplementary features
Altocumulus virga edit
Precipitation from an altocumulus cloud that evaporates before reaching the ground
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Altocumulus virga
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Altocumulus virga
Altocumulus cavum edit
Fall streak hole in an altocumulus cloud cover, the hole/s is/are caused by the falling of supercooled ice crystals in the cloud
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Altocumulus stratiformis radiatus undulatus cavum
Altocumulus mamma edit
Bubbles in an altocumulus cloud cover, caused by localized downdrafts in the cloud
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Altocumulus mamma
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Altocumulus mamma
Altocumulus praecipitatio edit
Precipitation from an altocumulus cloud that reaches the ground
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Altocumulus cumulonimbogenitus stratiformis praecipitatio
Atocumulus asperitas edit
Chaotic undulations under altocumulus clouds
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Altocumulus fluctus edit
Sea waves on altocumuliform clouds
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Cirrostratus edit
Mid-high level cloud composed of ice crystals, this cloud is responsible for most halo phenomena
Cirrostratus: Species edit
Cirrostratus cloud species
Cirrostratus nebulosus edit
Cirrostratus with a nebulous look, indicates atmospheric stability
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Cirrostratus nebulosus clouds with a sun halo
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Cirrostratus nebulosus
Cirrostratus fibratus edit
Fibrous cirrostratus clouds, caused by strong, continuous upper-level winds
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Cirrostratus fibratus cumulonimbogenitus
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Cirrostratus fibratus undulatus, with faint sun halo
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Cirrostratus fibratus altostratomutatus with sun halo, the altostratus cloud's mother cloud was an altocumulus cloud.
Cirrostratus: Varieties edit
Cirrostratus cloud varieties
Cirrostratus undulatus edit
Cirrostratus with undulations in the cloud, caused by disturbances in wind shear
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Cirrostratus undulatus before a thunderstorm
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Cirrostratus undulatus
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Thin Cirrostratus nebulosus undulatus
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Thin Cirrostratus nebulosus undulatus
Cirrostratus duplicatus edit
Cirrostratus multi-layer clouds
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Cirrostratus: Supplementary features edit
Cirrostratus supplementary features
Cirrostratus mamma edit
Bubbles in the cloud, often seen in cumulonimbogenitus (anvil), caused by localized downdrafts within the cloud, these protuberances are rarely seen in cirrostratus that don't come from thunderstorms
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Cirrostratus cumulonimbogenitus mamma
Cirrostratus: Mother clouds edit
Cirrostratus that originate from different cloud types and/or are man-made
Cirrostratus cumulonimbogenitus edit
Extensive cirrostratus cloud that is the leftover of a dead cumulonimbus incus (orphan anvil)
Cirrostratus homogenitus edit
Man-made cirrostratus
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Cirrocumulus edit
High-level clouds composed of mostly ice crystals, but also contain some water particles, they are generally short-lived, and form as a part of a transitional phase from cirrostratus to cirrus and viceversa
Cirrocumulus: Species edit
Cirrocumulus cloud species
Cirrocumulus castellanus edit
Rising turrets from a common cirrocumulus cloud base, indicates atmospheric instability.
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Cirrocumulus castellanus & Cirrus castellanus
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Cirrocumulus castellanus homogenitus
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Cc cas
Cirrocumulus lenticularis edit
Cirriform clouds in the shape of a lens or an almond, they are caused by atmospheric waves caused by wind passing over obstructions, such as mountains or buildings
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Cirrocumulus lenticularis
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Cirrocumulus lenticularis
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Cirrocumulus lenticularis
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Cc len
Cirrocumulus stratiformis edit
Cirrocumulus clouds in the shape of a large sheet
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Cirrocumulus clouds whose mother was a Cirrus cloud
Cirrocumulus floccus edit
Cirrocumulus clouds that have a cumuliform head but a ragged underbase, indicate atmospheric instability at the cloud's level
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Cirrocumulus floccus undulatus
Cirrocumulus: Varieties edit
Cirrocumulus cloud varieties
Cirrocumulus lacunosus edit
Cirrocumulus clouds with holes resembling a honeycomb, the holes are caused by localized downdrafts caused by the interaction between a cold layer of air and a warmer layer of air in the atmosphere, this type of cloud is considered to be rare, and is usually short-lived
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Cirrocumulus lacunosus
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Cirrocumulus lacunosus
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Cirrocumulus lacunosus
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Early stages of cirrocumulus lacunosus undulatus
Cirrocumulus undulatus edit
Cirrocumulus with undulations in them or cirrocumulus aligned in rows perpendicular to the wind shear, it's usually caused by sinuosidial oscillations
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Cirrocumulus radiatus undulatus
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Cirrocumulus undulatus and Altocumulus stratiformis
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Cirrocumulus lacunosus undulatus
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Cirrocumulus undulatus homogenitus
Cirrocumulus: Supplementary features edit
Cirrocumulus cloud supplementary features
Cirrocumulus cavum edit
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Cirrocumulus mamma edit
Bubbles falling from a cirrocumulus cloud, usually due to localized downdrafts falling through the cloud
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Cirrocumulus mamma homomutatus
Cirrocumulus virga edit
Precipitation that evaporates before falling from the cirrocumulus cloud.
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Cirrocumulus lacunosus virga
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Cirrocumulus virga
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Cirrocumulus homogenitus virga
Cirrocumulus: Mother clouds edit
Cirrocumulus clouds originating from a different cloud type/mechanism
Cirrocumulus homogenitus & homomutatus edit
Cirrocumulus clouds caused by contrails from airplanes, jets, etc. which didn't evaporate after a long time of them being on the air
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Cirrocumulus homogenitus
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Cirrocumulus homogenitus behind cumulus clouds
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Cirrocumulus mamma homomutatus cloud
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Contrail
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Cirrocumulus virga homogenitus
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Contrail and distrail on a cirrostratus nebulosus cloud
Cirrus edit
High-level clouds that are made of ice crystals
Cirrus: Species edit
Cirrus cloud species
Cirrus castellanus edit
Cirrus clouds with rising turrets from a common lower cloud base, indicate atmospheric instability
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cumulus mediocris and cirrus castellanus
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Cirrus castellanus
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Cirrus castellanus
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Distant cirrus castellanus
Cirrus fibratus edit
Fibrous cirrus clouds
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Cirrus clouds with halo
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Cirrus clouds
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Cirrus in the form of an arrow
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Supercooled clouds
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V-shaped cirrus cloud
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Cirrus fibratus
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Sun behind cirrus cloud cover and a mountain before sunset
Cirrus spissatus edit
Thick cirrus clouds that can block out the Sun or Moon, they indicate considerable upward air movement reaching the troposphere if isolated, but can also be seen in the anvil of a cumulonimbus cloud (cumulonimbogenitus)
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Cirrus spissatus mamma cumulonimbogenitus
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Cirrus spissatus
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Cirrus spissatus cumulonimbogenitus
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Cirrus spissatus cumulonimbogenitus
Cirrus floccus edit
Cirrus clouds with cumuliform heads but ragged undersides which sometimes have virga falling from under them, indicates atmospheric instability
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Cirrus floccus virga
Cirrus uncinus edit
Cirrus clouds in the shape of a comma, usually form before the arrival of a warm or occluded front and indicate that precipitation is possible within 24-48 hours
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Cirrus uncinus
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Cirrus uncinus
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Cirrus uncinus
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Cirrus uncinus
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Very thin Cirrus clouds
Cirrus: Varieties edit
Cirrus cloud varieties
Cirrus duplicatus edit
Two cirrus cloud covers of different subtypes present in the same atmosphere
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Cirrus intortus edit
Disorganized cirrus clouds
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Cirrus vertebratus edit
Uncommon type of cirrus cloud, indicates the location of a jet stream
Cirrus radiatus edit
Cirrus clouds aligned in lines parallel to the wind shear, they indicate high atmospheric pressure and the direction of the wind in the upper atmosphere
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Cirrus radiatus clouds
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Cirrus radiatus
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Faint cirrus radiatus clouds
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Cirrus radiatus
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Cirrus radiatus
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Cirrus radiatus
Cirrus: Supplementary features edit
Cirrus cloud supplementary features
Cirrus mamma edit
Cirrus clouds with bubble-shaped protuberances, they may or may not be associated with thunderstorms
Cirrus fluctus edit
Cirrus cloud with waves in it which resemble sea waves, they are caused by wind shear and are short-lived and rare
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Dissipating Cirrus fluctua