This post is a list of types of clouds. There are 12 types listed below alphabetically. License: CC BY-SA 3.0
Altocumulus
Photo source: Wikimedia Commons, Denni
License: CC BY-SA 2.5
"...characterized by globular masses or rolls in layers in layers or patches..." (Wikipedia: Altocumulus cloud, 9.8.22 UTC 12:28)
Altostratus
Photo source: Wikimedia Commons, The Great Cloudwatcher
License: CC BY-SA 3.0
"...generally gray or blue-tinged with a largely-uniform blanket-like appearance." (Wikipedia: Altostratus cloud, 11.11.22 UTC 9:00)
Cirrocumulus
Photo source: Wikimedia Commons, Przemyslaw 'BlueShade' Idzkiewicz
License: CC BY-SA 2.0
"...one of the three main genus-types of high-altitude tropospheric clouds, the other two being cirrus and cirrostratus." (Wikipedia: Cirrocumulus cloud, 8.17.22 UTC 21:52)
Cirrostratus
Photo source: Wikimedia Commons, Simon Eugster
License: CC BY-SA 2.0 DE
"...high-level, very thin, generally uniform stratiform genus-type... It is difficult to detect and it can make halos." (Wikipedia: Cirrostratus cloud, 11.6.22 UTC 03:02)
Cirrus
Photo source: Wikimedia Commons, Stephen Corfidi NOAA/NWS/SPC/OB
License: CC BY 2.0
"...wispy clouds made of long strands of ice crystals that are described as feathery, hair-like, or layered in appearance." (Wikipedia: Cirrus cloud, 9.26.22 UTC 18:34)
Cumulonimbus
Photo source: Wikimedia Commons, NOAA
"...dense, towering vertical cloud, typically forming from water vapor condensing in the lower troposphere..." (Wikipedia: Cumulonimbus cloud, 9.26.22 UTC 18:26)
Cumulus
Photo source: Wikimedia Commons, Simon Eugster
License: CC BY-SA 3.0
"...flat bases and are often described as 'puffy', 'cotton-like' or 'fluffy' in appearance." (Wikipedia: Cumulus cloud, 10.4.22 UTC 03:36)
Nimbostratus
Photo source: Wikimedia Commons, Simon Eugster
License: CC BY-SA 3.0
"...multi-level, amorphous, nearly uniform and often dark grey cloud that usually produces continuous rain, snow or sleet but no lightning or thunder." (Wikipedia: Nimbostratus cloud, 10.17.22 UTC 21:23)
Noctilucent
Photo source: Wikimedia Commons, Ulvaar Kaart
License: CC BY-SA 4.0
"...consist of ice crystals and from the ground are only visible during astronomical twilight." (Wikipedia: Noctilucent cloud, 7.7.22 UTC 13:06)
Polar stratospheric
Photo source: Wikimedia Commons, Florentin Moser (Florentin-m)
License: CC BY-SA 3.0
"...clouds in the winter polar stratosphere at altitudes of 15,000-25,000 meters..." (Wikipedia: Polar stratospheric cloud, 7.15.22 UTC 16:23)
Stratocumulus
Photo source: Wikimedia Commons, WikiRigaou
License: CC BY-SA 4.0
"...characterized by large dark, rounded masses, usually in groups, lines or waves..." (Wikipedia: Stratocumulus cloud, 10.21.22 UTC 18:37)
Stratus
Photo source: Wikimedia Commons, Simon Eugster
License: CC BY-SA 2.5
"...the term stratus is used to describe flat, hazy, featureless clouds with low altitude..." (Wikipedia: Stratus cloud, 10.30.22 UTC 09:03)