• Thumbnail for Cirrus cloud
    Cirrus (cloud classification symbol: Ci) is a genus of high cloud made of ice crystals. Cirrus clouds typically appear delicate and wispy with white strands...
    63 KB (6,240 words) - 11:20, 5 June 2025
  • Thumbnail for Cirrus uncinus cloud
    Cirrus uncinus is a species of cirrus cloud. The name cirrus uncinus is Latin for "curly hooks". Commonly called "mare's tail", this cloud species is very...
    2 KB (146 words) - 22:00, 27 May 2025
  • Thumbnail for Cirrus spissatus cloud
    Cirrus spissatus, also called cirrus densus or cirrus nothus, is the highest of the main cloud genera, and may sometimes even occur in the lower stratosphere...
    3 KB (292 words) - 16:20, 28 May 2025
  • Thumbnail for Cirrus cloud thinning
    Cirrus cloud thinning (CCT) is a proposed method of climate engineering. Cirrus clouds are high cold ice that, like other clouds, both reflect sunlight...
    14 KB (1,526 words) - 21:20, 25 May 2025
  • Thumbnail for List of cloud types
    The list of cloud types groups all genera as high (cirro-, cirrus), middle (alto-), multi-level (nimbo-, cumulo-, cumulus), and low (strato-, stratus)...
    79 KB (7,527 words) - 14:00, 29 April 2025
  • Thumbnail for Cirrus intortus cloud
    Cirrus intortus is a variety of cirrus cloud. The name cirrus intortus is derived from Latin, meaning "twisted, wound". The variety of intortus clouds...
    2 KB (170 words) - 19:03, 10 January 2025
  • Thumbnail for Cirrocumulus cloud
    the three main genus types of high-altitude tropospheric clouds, the other two being cirrus and cirrostratus. They usually occur at an altitude of 5 to...
    10 KB (1,110 words) - 21:37, 16 March 2025
  • Thumbnail for Cirrus fibratus
    Cirrus fibratus, also called Cirrus filosus, is a type of cirrus cloud. The name cirrus fibratus is derived from Latin, meaning "fibrous". These clouds...
    3 KB (216 words) - 00:54, 20 January 2025
  • Thumbnail for Cirrus vertebratus
    Cirrus vertebratus is a type of cirrus cloud. The name cirrus vertebratus is derived from Latin, meaning "jointed, articulated, vertebrated". Like cirrus...
    3 KB (208 words) - 19:07, 10 January 2025
  • Thumbnail for Cloud cover
    large, and higher when it is low, such that subvisible cirrus clouds are counted). Average cloud cover is around 72% over the oceans, with low seasonal...
    9 KB (931 words) - 23:01, 17 October 2024
  • Thumbnail for Cirrostratus cloud
    water or nitric acid. Cirrostratus clouds sometimes signal the approach of a warm front if they form after cirrus and spread from one area across the...
    8 KB (752 words) - 01:14, 28 May 2025
  • Thumbnail for Cirrus castellanus cloud
    Cirrus castellanus or Cirrus castellatus is a species of cirrus cloud. Its name comes from the word castellanus, which means of a fort, of a castle in...
    2 KB (160 words) - 04:50, 10 December 2023
  • Thumbnail for Cloud
    cirrus which are designated cirrus homogenitus. If a cirrus homogenitus cloud changes fully to any of the high-level genera, they are termed cirrus,...
    125 KB (13,097 words) - 05:45, 29 May 2025
  • Thumbnail for Cloud iridescence
    altocumulus, cirrocumulus, lenticular, and cirrus clouds. They sometimes appear as bands parallel to the edge of the clouds. Iridescence is also seen in the much...
    7 KB (613 words) - 22:19, 20 May 2025
  • Thumbnail for Glacial geoengineering
    methods include regional or local solar radiation management, thinning cirrus clouds to allow more heat to escape, and deploying mechanical or engineering...
    25 KB (2,900 words) - 11:57, 1 June 2025
  • Thumbnail for Cirrus radiatus
    Cirrus radiatus is a variety of cirrus cloud. The name cirrus radiatus is derived from Latin, meaning "rayed, striped". This variety of cirrus clouds...
    2 KB (136 words) - 04:52, 10 December 2023
  • Contrail (redirect from Cirrus aviaticus)
    resulting cloud forms are formally described as homomutatus, and may resemble cirrus, cirrocumulus, or cirrostratus, and are sometimes called cirrus aviaticus...
    33 KB (3,357 words) - 09:21, 25 May 2025
  • Thumbnail for Solar radiation modification
    Barrier Reef in 2024. Cirrus cloud thinning (CCT) involves seeding cirrus clouds to reduce their optical thickness and decrease cloud lifetime, allowing...
    90 KB (10,767 words) - 07:47, 28 May 2025
  • animal Cirrus (botany), a tendril Infrared cirrus, in astronomy, filamentary structures seen in infrared light Cirrus cloud, a type of cloud Cirrus aero...
    2 KB (282 words) - 16:33, 10 May 2023
  • Thumbnail for Cloud albedo
    in high altitude clouds such as cirrus. Thicker clouds have a higher albedo than thinner ones. In fact thick clouds and thin clouds will occasionally...
    11 KB (1,284 words) - 01:21, 25 May 2025
  • Thumbnail for Cirrus floccus
    Cirrus floccus is a type of cirrus cloud. The name cirrus floccus is derived from Latin, meaning "a lock of wool". Cirrus floccus occurs as small tufts...
    2 KB (205 words) - 04:52, 10 December 2023
  • Cirrus duplicatus is a variety of cirrus cloud. The name cirrus duplicatus is derived from Latin, meaning "double". The duplicatus variety of cirrus clouds...
    2 KB (158 words) - 08:47, 4 January 2025
  • Thumbnail for Circumhorizontal arc
    ice crystals suspended in the atmosphere, typically in actual cirrus or cirrostratus clouds. In its full form, the arc has the appearance of a large, brightly...
    10 KB (1,149 words) - 21:58, 18 November 2024
  • Thumbnail for Anthropogenic cloud
    combustion. These clouds are commonly known as condensation trails (contrails), and are initially lineal cirrus clouds that could be called Cirrus homogenitus...
    16 KB (1,947 words) - 18:17, 25 August 2024
  • Thumbnail for Cumulus cloud
    high-level cloud, cirrocumulus, is a stratocumuliform cloud of limited convection. The other clouds in this level are cirrus and cirrostratus. High clouds form...
    33 KB (3,688 words) - 05:15, 22 May 2025
  • Thumbnail for Airplane
    emit aerosols and leave contrails, both of which can increase cirrus cloud formation – cloud cover may have increased by up to 0.2% since the birth of aviation...
    56 KB (6,468 words) - 00:40, 24 May 2025
  • Thumbnail for Environmental impact of aviation
    forcing is estimated at 1.3–1.4 that of CO2 alone, excluding induced cirrus cloud with a very low level of scientific understanding. In 2018, global commercial...
    122 KB (12,138 words) - 11:09, 29 May 2025
  • Thumbnail for Millimeter cloud radar
    doi:10.1029/91RS00965. Matrosov, S. Y.; Kropfli, R. A. (October 1993). "Cirrus Cloud Studies with Elliptically Polarized Ka-band Radar Signals: A Suggested...
    43 KB (4,969 words) - 01:53, 11 May 2025
  • Thumbnail for Cold front
    Cold front (section Clouds)
    is highly unstable, cumulonimbus clouds producing thunderstorms commonly form along the front. Anvil cirrus clouds may spread a considerable distance...
    16 KB (1,610 words) - 18:01, 29 March 2025
  • Thumbnail for Mammatus cloud
    anvil clouds and also severe thunderstorms. They often extend from the base of a cumulonimbus cloud, but may also be found under altostratus, and cirrus clouds...
    15 KB (1,797 words) - 06:13, 14 May 2025