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
- 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
May 26, 2026
A distinct cloud layer that provides the illusion that the blue sky is a ocean wave, spotted over South Portland, Maine, US
[social_share]
August 29, 2025
A train of cumulus clouds, puffing along the Northumberland Strait, viewed from Maximeville in the Evangeline region of Prince Edward Island, Canada
[social_share]
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.
October 6, 2024
A vibrant display of Cirrus unicnus, which in Latin means 'curly hooks'. This type of high-level cloud is also known as mares' tails, as spotted here over South Portland, Maine, US.
[social_share]
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.
September 23, 2024
Altocumulus stratiformis blanketing the sky near the time of the equinox over South Portland, Maine, US
[social_share]
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.
July 5, 2024
Altocumulus stratiformis wherein Philip was struck by the quilted textures, spotted an hour prior to sunset over South Portland, Maine, US
[social_share]
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.
June 23, 2024
Upper level wind shear creating a "sharp" Cumulus congestus cloud formation near South Portland, Maine, US
[social_share]
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.
April 28, 2021
Iridescence over Maine, US.
[social_share]
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.
