Filter By:
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
- Green flash
- Glory
- Diffuse arcs
- Halos
- Helic arc
- Iridescence
- Lower Tangent Arc
- Moonbow
- Rainbow
- Sub-sun
- Sun dog (Parhelion)
- Parhelic circle
- Infralateral arc
- Lower Sun Pillar
- Moondogs
- Parry antisolar arcs
- Parry arc
- Parry infralateral arc
- Parry supralateral arc
- Sub parhelion
- Subparhelic circle
- Supralateral arc
- Sun pillar
- Unidentified effect
- Suncave parry arc
- Upper tangent arc
- Wegener arc
A lenticular cloud at sunset over southern Alberta, Canada. The clouds often accompany strong "chinook" winds on the lea side of the Canadian Rockies. These dry, warm 'snow-eater' winds can abruptly melt as much as a foot of snow in one day, rapidly raising temperatures as much as 40°C (75°F).
Fallstreak Hole over Wittmann, United States
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
A spring lamb spotted over Edinburgh, Scotland.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Mamma cloud features appearing on the anvil of a Cumulonimbus at sunset.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Asperitas clouds over northwest Connecticut, US.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Three fallstreak holes, also known as cavum cloud features, spotted over North East Derbyshire, England.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Cloud ridges known as undulatus in a mixed sky after a four-day blizzard spotted from the North Shore (Silver Bay) of Lake Superior, Minnesota, US.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Altocumulus lenticularis spotted over Franklin County, Alabama, US, as well as some of the cloud holes called lacunosus and some of the eyebrow-like features that becoming unofficially known as 'supercilium'.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
The distinctive breaking-wave shape of a fluctus cloud feature was spotted here along the top of the accessory cloud cap known as a pileus. This is a rare combination of features, spotted over Franklin County, AL, US.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Mamma cloud features spotted on the underside of the anvil of a Cumulonimbus storm cloud over London, England.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Fog over Pleasant Valley, United States
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Cumulus clouds forming a burst of crepuscular rays over Esfahan, Iran.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Mamma cloud features spotted near a storm over Birmingham, West Midlands, England.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Mamma cloud features appearing on the underside of the anvil of a distant Cumulonimbus storm cloud, spotted over Antelope Valley, California, US.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Altocumulus at sunset over Aix-en-Provence, France.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
Altocumulus clouds or a phoenix flying into the sunset, depending on how you look at it, spotted over Santa Barbara, California, US.
Leave a Reply Cancel reply
You must be logged in to post a comment.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
