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Main Cloud Types
- Cumulus
- Stratus
- Stratocumulus
- Altocumulus
- Altostratus
- Cirrus
- Cirrocumulus
- Cirrostratus
- Nimbostratus
- 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
- Homogenitus
- Horseshoe vortex
- Humilis
- Incus
- Intortus
- Lacunosus
- Lenticularis
- Mamma
- Morning Glory Cloud
- Murus (Wall cloud)
- Mediocris
- Nacreous
- Nebulosus
- Noctilucent
- Pannus
- Perlucidus
- Pileus
- Praecipitatio
- Radiatus
- Silvagenitus
- Spissatus
- 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 Mushroom over Anglesey.
2 thoughts on “John Rowlands”
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An arcus, also known as a shelf cloud, indicating the leading edge of an approaching storm, spotted near Latham, Illinois, US
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Stratus fractus hugging the mountainside as the sky above began to clear near Beddgelert, North Wales
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Mammatus (Mamma) and signs of Asperitas spotted over Sadorus, Illinois, US
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Cumulus at sunrise over Meinohama Fishing Port, Fukuoka City, Japan
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A thin variety of Altocumulus lenticularis spotted over Poelkapelle, Belgium
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A blanket of colour spotted over Taguatinga, Brazil
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Virga spotted over Goodyear, Arizona, US
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A thunderstorm captured at night, with lightning highlighting what appears to be an Altocumulus lenticularis in the midst of the storm system, spotted near Waterford, Wisconsin, US
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Circumhorizon Arc spotted over Lewiston, Maine, US
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A study in the different states of contrails, and as Adam highlights, it's a glimpse into the state of the upper atmosphere at different altitudes, at any given moment. This juxtaposition of at least three different contrails was spotted over Cleveland, Ohio, US.
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Circumhorizon Arc spotted over Jung Frau, Switzerland
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Crepuscular rays with strips of Cirrus high in the sky, spotted near Boca Raton, Florida, US
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Circumhorizon Arc spotted over Alexandria, Virginia, US
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A mixed sky during the early morning over Madison, Wisconsin, US
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Cirrocumulus spotted over Pingtung, Taiwan
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Amazing
Mushroom – safely edible?
Laurence