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Other Clouds
- Arcus
- Asperitas
- Cap / banner clouds
- Capillatus
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- Cataractagenitus
- Cauda (Tail cloud)
- Cavum (Fallstreak hole)
- Congestus
- Contrail (homogenitus)
- Duplicatus
- Diamond dust
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- Flammagenitus (Pyrocumulus)
- Floccus
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- Fractus
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- Morning Glory Cloud
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- Mediocris
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- Pileus
- Praecipitatio
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- '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
Following a lot of rain, a tranquil view of sunset over the Isle of Mull, as seen from Oban, Scotland
The edge of a storm system near Sumirago, Varese, Italy
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Sunrise over the Del Plata River, Buenos Aires, Argentina
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Pileus spotted over Belgium
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Altocumulus perlucidus over Pewsey, Wiltshire, England
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Lacunosus spotted over North Devon, England
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Altocumulus stratiformis radiatus over Bentworth, Hampshire, England
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A mixed sky at sunset, as seen from 36,000 feet above the ground, on a flight that was traversing across southern Japan
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A roll cloud, or volutus, which is a rare, low horizontal tube-shaped arcus cloud, detached from the parent storm cloud, and represents the leading edge of a thunderstorm's gust front. This example was spotted between Vinylhaven Island and the Rockland area of the Mid-Coast, near Penobscot Bay, Maine, US.
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Looking west over the Pacific Ocean, cirrus uncinus and cirrocumulus undulatus are spotted near Yachats, Oregon, US
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Cirrostratus that appears to be somewhat attributable to prior contrails, spotted over the University of Washington, Seattle, Washington, US
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A view from above the clouds, and capturing a cloud formation that looks like a 'cloud boat', spotted on a flight from Vilnius to Brussels, while over Poland
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Iridescence amidst an opening in the sky over Winchester, England
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A developing storm system over Chioggia, south of Venice, Italy
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Altocumulus lenticularis at sunset over Vermontville, Adirondacks, New York, US
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A train of cumulus clouds, puffing along the Northumberland Strait, viewed from Maximeville in the Evangeline region of Prince Edward Island, Canada
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With an ode to Joni Mitchell and 'Both Sides Now', William spotted these developing cumulonimbi near Salisbury, England
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Subtle signs of fluctus over Haidian District, Beijing, China
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Reflections of cumulus on the Sekonyer River in Tanjung Puting National Park, Borneo, Indonesia
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Crepuscular rays and shadows at sunset over Sacramento, California, US
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A vivid reflection of altocumulus over Surry, Maine, US
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Cumulus congestus spotted along the horizon, near Portland, Dorset, England
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Crepuscular rays during sunrise over the Atlantic Ocean, viewed from Boca Raton, Florida, US
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Sunset over the Pacific Ocean, near Ocean Beach, California, US
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Altocumulus stratiformis undulatus spotted over Mt. Batur, a volcano on the island of Bali, Indonesia
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Last light on the 'Sacred Mesa' under a monsoonal sky, as Paul highlights, wherein the formation catches the light similarly several times each year. This photograph was taken nearly a mile away, with the 'Sacred Mesa' measuring roughly 100 yards high and 400 yards wide, as seen here near Bluff, Utah, US.
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The aftermath of a storm system near Rufford, West Lancashire, England
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Lightning within a storm system that was associated with Hurricane Erin over the Atlantic Ocean, spotted near Back Bay, Boston, Massachusetts, US
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Fluctus (Kelvin-Helmholtz) that had started to collapse and change shape over Orkney, Scotland
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A reflection of the clouds shortly after sunrise over Meinohama Fishing Port, Fukuoka City, Japan
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A dissipating storm system near Hartrigg Oaks, New Earswick, York, England
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Sunset with a view of subtle crepuscular rays over Princeville, Kauai, Hawaii, US
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Altocumulus over Kashan City, Esfahan, Iran
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Cumulus congestus over Tucson, Arizona, US
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A view of what appears to Jacob to be a long neck turtle with a hat, spotted over Salir, Portugal
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Altocumulus lenticularis spotted at sunset over the Sangre de Cristo Mountains north of Santa Fe, New Mexico, US
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A variety of cumulus cloud formations spotted on a summer afternoon over Brooklyn, New York, US
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A reflection of a developing storm, spotted near Sacramento, California, US
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Stratus amidst the Cantabrian Mountains, near Proaza, Asturias, Spain
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Multiple fallstreak holes (cavum) spotted over Somerset, England
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The edge of a storm system near Sumirago, Varese, Italy
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Sunrise over the Del Plata River, Buenos Aires, Argentina
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Pileus spotted over Belgium
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Altocumulus perlucidus over Pewsey, Wiltshire, England
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Lacunosus spotted over North Devon, England
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Altocumulus stratiformis radiatus over Bentworth, Hampshire, England
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A mixed sky at sunset, as seen from 36,000 feet above the ground, on a flight that was traversing across southern Japan
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A roll cloud, or volutus, which is a rare, low horizontal tube-shaped arcus cloud, detached from the parent storm cloud, and represents the leading edge of a thunderstorm's gust front. This example was spotted between Vinylhaven Island and the Rockland area of the Mid-Coast, near Penobscot Bay, Maine, US.
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Looking west over the Pacific Ocean, cirrus uncinus and cirrocumulus undulatus are spotted near Yachats, Oregon, US
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Cirrostratus that appears to be somewhat attributable to prior contrails, spotted over the University of Washington, Seattle, Washington, US
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A view from above the clouds, and capturing a cloud formation that looks like a 'cloud boat', spotted on a flight from Vilnius to Brussels, while over Poland
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Iridescence amidst an opening in the sky over Winchester, England
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A developing storm system over Chioggia, south of Venice, Italy
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Altocumulus lenticularis at sunset over Vermontville, Adirondacks, New York, US
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A train of cumulus clouds, puffing along the Northumberland Strait, viewed from Maximeville in the Evangeline region of Prince Edward Island, Canada
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