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- Cumulonimbus
Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
- Castellanus
- Cataractagenitus
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
- Diamond dust
- Distrail
- Fibratus
- Flammagenitus (Pyrocumulus)
- Floccus
- Fluctus (Kelvin-Helmholtz)
- Fractus
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- Horseshoe vortex
- Humilis
- Incus
- Intortus
- Lacunosus
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- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
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- Noctilucent
- Pannus
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- Pileus
- Praecipitatio
- Radiatus
- Silvagenitus
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- Stratiformis
- 'Supercilium' (not official classification)
- Translucidus
- Tuba / Twister
- Uncinus
- Undulatus
- Velum
- Vertebratus
- Virga
- Volutus (Roll cloud)
Optical Effects
- 22° Halo
- 46° Halo
- Circumhorizon Arc
- Circumscribed halo
- Circumzenithal Arc
- Cloudbow / Fogbow
- Corona
- Crepuscular rays & shadows
- Diffuse arcs
- Green flash
- Glory
- Halos
- Helic arc
- Infralateral arc
- Iridescence
- Lower Sun Pillar
- Lower Tangent Arc
- Moonbow
- Moondogs
- Parhelic circle
- Parry antisolar arcs
- Parry arc
- Parry infralateral arc
- Parry supralateral arc
- Rainbow
- Sub parhelion
- Sub-sun
- Suncave parry arc
- Sun dog (Parhelion)
- Sun pillar
- Supernumerary bows
- Subparhelic circle
- Supralateral arc
- Upper tangent arc
- Wegener arc
A display of arcs and halos in diamond dust over Waitsfield, Vermont, US.
Reflections of a sunset over Brisbane, Australia
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A storm system wtih signs of rotation within its development, spotted over Brighton, Colorado, US
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Altocumulus lenticularis stacked one above the other, caused by wave motion in multiple humid layers of air, also known as "pile d'assiettes", spotted near the Cholla Cactus Garden, Joshua National Park, California, US
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Cirrostratus spotted over Northern California, US
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A storm system over Xincai County, Henan Province, China
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Cirrus fibratus over Vermontville, Adirondacks, New York, US
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Asperitas spotted near the Noko Ferry Terminal, Fukuoka City, Japan
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22-degre halo over Exeter, Devon, England
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Altocumulus stratiformis undulatus, also known as a "mackerel sky", spotted over Proserpine, Queensland, Australia
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A contrail reaching across the sky over Melbourne, Victoria, Australia
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A vivid display of mammatus (mamma) over College Station, Texas, US
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A "Cloud Blower" amidst the cumulus clouds over Wellingborough, England
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Signs of asperitas over Obninsk, Russia
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A view from flying over the Alps in Europe
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Reflections of the sky over Lusk Village, County Dublin, Ireland
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