According to the WMO, your answer is as follows. Very low stratiform clouds that touch the Earth's surface are given the common names, fog and mist, which are not included with the Latin nomenclature of clouds that form aloft in the troposphere. Nimbostratus ("rainstorm layer") clouds form a low, dark layer of gray cloud that usually produces light but continuous rain, snow, or sleet (but not violent storms of the kind that give pure nimbus clouds their name). Stratocumulus is distinguished from Altocumulus by: Most of the regularly arranged elements having, when observed at an Cataractagenitus (cataracta-/pertaining to a river cataract) – formed from the mist at a waterfall, the downdraft caused from the cloud is counteracted by the ascending air displacement from the waterfall and may go on to form other types of clouds such as. Isolated cirrus do not bring rain; however, large amounts of cirrus can indicate an approaching storm system eventually followed by fair weather. of rain, snow or snow pellets. Use MathJax to format equations. Not commonly seen with cumulus fractus or humilis. Continued upward growth suggests showers later in the day. The first piece of lore warns that if altocumulus clouds are seen and air pressure begins to fall, the weather won't be dry for much longer because it may start raining within 6 hours' time. They are the thinnest of all the altocumulus clouds. [26][27], Clouds layers made mostly of methane gas.[28]. Clouds of the genus cirrostratus consist of mostly continuous, wide sheets of cloud that covers a large area of the sky. Altostratus can bring light rain or snow. angle of more than 30° above the horizon, an apparent width between 1 Cavum – "Hole": Supercooled altocumulus or cirrocumulus distinguished by a hole with ragged edges and virga or wisps of cirrus. Possible precipitation in the form of weak falls of rain or Humilis (Hum) – "Small": Applies to cumuliform (Cu hum) with little vertical extent; indicates relatively slight airmass instability. Cumulonimbogenitus – spreading out or partial transformation of cumulonimbus. If a homogenitus cloud of one genus changes to another genus type, it is then termed a. Silvagenitus (silva-/pertaining to trees or forests) – formed by low-level condensation of water vapor released by vegetation, especially forest canopies. None; always translucent except species spissatus which is inherently opaque. It’s quite common to see t… Anvil dome (WMO supplementary feature incus) – the. Layered forms of altocumulus are generally an indicator of limited convective instability, and are therefore mainly stratocumuliform in structure. If the precipitation becomes continuous, it may thicken into nimbostratus which can bring precipitation of moderate to heavy intensity. Backsheared anvil – (slang) anvil that spreads upwind, indicative of extreme weather. Altocumulus is distinguished from Stratocumulus by: Most of the regularly arranged elements having, when observed at an angle of more than 30° above the horizon, an apparent width between 1 and 5° Absence of any precipitation; Stratocumulus can have weak falls … Earth Science Stack Exchange is a question and answer site for those interested in the geology, meteorology, oceanography, and environmental sciences. The height of … Altocumulogenitus – formed by the partial transformation of altocumulus mother cloud. Low clouds, 2 to 0 km (6,500 to 0 feet), are stratocumulus, stratus, and nimbostratus. These clouds tell us that the weather is switching from good to unstable. The latter often produces drizzle. At some point cloud categorization has its limitations in both stratification and use, and this is about the area where it seems so to me in most circumstances. How can I visit HTTPS websites in old web browsers? harvnb error: no target: CITEREFDoughertyEsposito2009 (, Altocumulus stratiformis translucidus undulatus, International Civil Aviation Organization, "Nacreous and polar stratospheric clouds", "Automated CB and TCU detection using radar and satellite data: from research to application", "Cataractagenitus International Cloud Atlas Section 2.1.3.6.5", http://cimss.ssec.wisc.edu/goes/blog/archives/555, "Mysterious waves seen in Venus's clouds", National Aeronautics and Space Administration, "NASA SP-441: Viking Orbiter Views of Mars", "Neptune's Atmosphere: Composition, Climate, & Weather", http://nephology.eu International Cloud Atlas online, Introduction to Clouds (National Weather Service), Ten Basic Cloud Types (National Weather Service), Nitric acid and water polar stratospheric clouds, https://en.wikipedia.org/w/index.php?title=List_of_cloud_types&oldid=993128907, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License. Allmost everyone has difficulty differentiating Ac from Sc because, apart from the obvious low clouds, you can't accurately discern a cloud's height purely from looking at it. What difference does it make changing the order of arguments to 'append'. How to distinguish between Altocumulus, Stratocumulus and Cumulus clouds? If they do grow tall, they can turn into thunderstorms. High clouds form in the highest and coldest region of the troposphere from about 5 to 12 km (16,500 to 40,000 ft) in temperate latitudes. They look very similar to altocumulus, but much larger sized groups. Other times, they are like lines of cloud with gaps in between, as in this fine Altocumulus undulatus, spotted over Fife in Scotland. Stratocumulus kan ibland vara svår att skilja från altocumulus, men skiljs från denna genom att molnelementen hos stratocumulus har mörka partier samt att molnelementen 30 grader över horisonten har en skenbar bredd på mer än fem grader. Cirrostratogenitus – partial transformation of cirrostratus. Opacus – Latin for "Opaque": A thick sheet of stratiform or stratocumuliform cloud. The table for supplementary features has them arranged in approximate descending order of frequency of occurrence. Polar mesospheric clouds are the highest in the atmosphere and are given the Latin name noctilucent which refers to their illumination during deep twilight. Stratocumulus duplicatus: Sc du: In two or several layers lying one above the other. Fluctus: Crested wave-like stratocumulus, altocumulus, or cirrus cloud formed by wind-shear. “New” cloud types: Can they be used as markers for climate change observations? It is the way the winds vary with altitude that tends to cause these formations. These are, in approximate ascending order of instability or convective activity: stratiform sheets; cirriform wisps and patches; stratocumuliform patches, rolls, and ripples; cumuliform heaps, and cumulonimbiform towers that often have complex structures. Cumulus clouds that do not get very tall are indicators of fair weather. [1][2], Polar stratospheric clouds form at very high altitudes in polar regions of the stratosphere. It only takes a minute to sign up. How do I provide exposition on a magic system when no character has an objective or complete understanding of it? The following table shows the cloud varieties arranged across the top of the chart from left to right in approximate descending order of frequency of appearance. Radiatus – "Radial": Clouds in one of several possible forms arranged in parallel lines that appear to converge at a central point near the horizon. How were four wires replaced with two wires in early telephone? Uncinus (Unc) – "Hook-like": Cirriform (Ci unc) with a hook shape at the top; indicates a nearby backside of a weather system. (Note that you can use the width of your little finger held at arms length to estimate one degree and the width of three fingers held together at arms length to estimate five degrees.). Stratiformis (Str) – "Sheet-like": Horizontal cloud sheet of flattened stratocumuliform (Sc str, Ac str, Cc str); indicates very slight airmass instability. Perlucidus – "Semi-transparent": Sheet of stratocumuliform cloud with small spaces between elements. Flammagenitus (flamma-/pertaining to fire) – formed by convection associated with large wildfires. If the cloud is the size of your fist, it is a stratocumulus. Clouds of the genus stratocumulus are lumpy, often forming in slightly unstable air, and they can produce very light rain or drizzle. A count of basic tropospheric variants that result from the division and subdivision of genus types into species and varieties is shown as a number in parentheses from V-1 (variant 1) through V-92 after each variety, after nimbostratus that has no sub-types, and after certain species that are not always dividable into varieties. Condensation funnel (WMO supplementary feature tuba) – the cloud of a. Cumulus pileus (WMO genus and accessory cloud) – capped, hood-shaped cumulus cloud. windows2universe.org/earth/Atmosphere/clouds/…. None (not generally discerned with highly unstable cumulus congestus). These thick clouds are listed in approximate descending order of altitude of the cloud tops. Where applicable, the genera and varieties are cross-classified to show the species normally associated with each combination of genus and variety. The boxes for genus and species combinations that have no varieties are left blank. The constituent varieties and associated supplementary features and mother clouds for each genus or species are arranged in approximate order of frequency of occurrence. Absence of any precipitation; Stratocumulus can have weak falls They share almost all of the same cloud species , cloud varieties , and other cloud features . Their altitude however differentiates them the most, with stratocumulus clouds being closer to the ground. Noctilucent clouds and anthropogenic climate change. The genus types and some sub-types are arranged from top to bottom in approximate descending order of average overall altitude range. The WMO International Cloud Atlas is the reference for the classification of clouds and meteorological meteors. Cirrostratus homomutatus; results from the transformation of cirrus homogenitus.. Altocumulus stratiformis (always dividable into opacity-based varieties). A cloud at the surface is called a fog. Thin scattered wispy cloud resembling cirrus through which the planet's surface can be seen. These are fair weather cumuliform clouds of limited convection that do not grow vertically. Cumulonimbus mamma (WMO genus and supplementary feature) – Cb with pouch-like protrusions that hang from under anvil or cloud base. angle of more than 30° above the horizon, an apparent width greater There are four different categories of clouds. Nomenclature works the same way as for genitus mother clouds except for the. stratocumulus meaning: 1. a type of cumulus (= tall, rounded, white cloud with a flat base) formed in a thick layer and…. Tail cloud (informal term) – an area of condensation consisting of laminar band and cloud tags extending from a. Towering cumulus (TCu) -aviation term for WMO genus and species cumulus congestus, a large cumulus cloud with great vertical development, usually with a cauliflower-like appearance, but lacking the characteristic anvil of a Cb. Velum – "A ship's sail": An accessory cloud in the form of a sail. Middle cloud forms from 2 to 7 km (6,500–23,000 ft) in temperate latitudes, and may be composed of water droplets or ice crystals depending on the temperature profile at that altitude range.[5]. Stratocumulus clouds are large dark and round, usually in groups or waves, and they are lower in the sky. Pannus – Latin for "shredded cloth": A ragged or shredded accessory cloud that forms in precipitation below the main cloud. The cumulus genus includes four species as defined by vertical size and structure. Learn more. Stratocumulus are low-level clouds that will have their bases below 6500 feet whereas Altocumulus cloud bases are between 6500 and 20,000 feet making them mid-level clouds. Other genitus and mutatus types are the same as for small and moderate cumulus. But hope that distinction did at least give you a good way to choose. Just like the altostratus cloud, the altocumulus is in the middle of the sky, not very high and not very low. Incus – "Anvil": Top part of a mature cumulonimbus cloud; anvil-shaped feature. They have Latin names as authorized by the World Meteorological Organization (WMO) that indicate physical structure, altitude or étage, and process of formation. [19], Wave clouds with clear gaps through which lower stratiform layers may be seen.[20]. [21][22], Noctilucent clouds are known to form near the poles at altitudes similar to or higher than the same type of clouds over Earth.[23]. Cirrocumulus castellanus lacunosus (V-20). You are not alone. Layers of haze-cloud that lack any distinct features. Moderate vertical cumulus is the product of free convective airmass instability. Difference between sulfuric clouds and sulfuric haze (on Venus)? An Altocumulus is a cloud belonging to a class characterized by globular masses or rolls in layers or patches, the individual elements being larger and darker than those of cirrocumulus and smaller than those of stratocumulus. Altocumulus definition, a cloud of a class characterized by globular masses or rolls in layers or patches, the individual elements being larger and darker than those of cirrocumulus and smaller than those of stratocumulus: of medium altitude, about 8000–20,000 feet … These ordinal instability numbers appear in each box where a particular genus has a particular species. Each box is marked where a particular genus or sub-type has a particular genitus or mutatus mother cloud. Collar cloud (WMO velum accessory cloud) – ring shape surrounding upper part of wall cloud. Stratogenitus – partial transformation of stratus. MathJax reference. If the cloud layer becomes grayer to the point when individual clouds cannot be distinguished, stratocumulus turn into stratus clouds. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Mid-level stratocumuliform clouds of the genus altocumulus are not always associated with a weather front but can still bring precipitation, usually in the form of virga which does not reach the ground. Cumulus cataractagenitus; generated by the spray from waterfalls. Stratiform clouds of the genus altostratus form when a large convectively stable airmass is lifted to condensation in the middle level of the troposphere, usually along a frontal system. Stratocumulus clouds are low, lumpy, and gray. How would a theoretically perfect language work? Debris cloud (informal term) – rotating "cloud" of debris found at base of, Hail fog (informal term) – a shallow surface layer of. Clouds that form in the mesosphere have a generally cirriform structure, but are not given Latin names based on that characteristic. If it is small, then it is obviously higher up and an altocumulus cloud. Stratus cataractagenitus are generated by the spray from waterfalls. Thanks for contributing an answer to Earth Science Stack Exchange! :-). The genitus and mutatus clouds are each sorted from left to right in alphabetical order. Cumulonimbus pileus (WMO genus and accessory cloud) – capped, hood-shaped cloud above a cumulonimbus cloud. Tuba: – "Funnel" or "tube": Feature in the form of a column hanging from the bottom of cumulus or cumulonimbus. How to draw on a tikz picture without shifting it. Inverted cumulus (informal variation of WMO supplementary feature mamma) – cumulus which has transferred momentum from an exceptionally intense Cb tower and is convectively growing on the underside of an anvil. Morning fog of water and/or carbon dioxide commonly forms in low areas of the planet. Wave and haze clouds that are seen mostly in the middle layer. Intortus – "Twisted": Curved and tangled cirriform. The list of cloud types groups the main genera as high (cirrus, cirro-), middle (alto-), multi-level (nimbostratus, cumulus, cumulonimbus), and low (stratus, strato-) according to the altitude level or levels at which each cloud is normally found. These clouds are not to be confused with the altostratus type as these clouds appear bumpy. The species are sorted from left to right in approximate ascending order of instability or vertical extent of the forms to which each belongs: (1)=Stratiform species, (2)=Cirriform species, (3)=Stratocumuliform species, (4)=Cumuliform species, (5)=Cumulonimbiform species. Lacunosus – "Full of holes": Thin stratocumuliform cloud distinguished by holes and ragged edges. Volutus (Vol) – "Rolled": Elongated, low or mid-level, tube shaped, stratocumuliform (Sc vol, Ac vol). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. No differentiated species (always nebulous). Vertebratus – "In the form of a back-bone": Cirriform arranged to look like the back-bone of a. Praecipitatio – Latin for "falling": Cloud whose precipitation reaches the ground. The exceptions comprise the following: Altostratus that have varieties but no species so the applicable boxes are marked without specific species names; cumulus congestus, a species that has its own altitude characteristic but no varieties; cumulonimbus that have species but no varieties, and nimbostratus that has no species or varieties. Clouds with upward-growing vertical development usually form below 2 kilometres (6,600 ft),[5] but can be based as high as 2.5 kilometres (8,200 ft) in temperate climates, and often much higher in arid regions. After a period of bad weather, they are the last clouds seen in the sky. Milestone leveling for a party of players who drop in and out? It provides the definitions and descriptions of cloud types and meteors, and flow charts to help identify them. Stratus that touches the Earth's surface is given the common name, fog, rather than a Latin name that applies only to clouds that form and remain aloft in the troposphere. Learn more. This page was last edited on 8 December 2020, at 23:15. Cirrocumulus, Cirrus, Cumulonimbus, Altocumulus, Altostratus, Cumulus, Stratus, and Stratocumulus are the different types of clouds. Even though I know, Ac are higher clouds than Sc, it is most of the time hard for me. Altostratus ("high layer") clouds form a darkish gray mid-altitude layer. Of the multi-level genus-types, those with the greatest convective activity are often grouped separately as towering vertical. These high-floating clouds don't make rain by themselves, but they can be a … Historically, in English, this typ… How does a Cloak of Displacement interact with a tortle's Shell Defense? The list of cloud types groups the main genera as high (cirrus, cirro-), middle (alto-), multi-level (nimbostratus, cumulus, cumulonimbus), and low (stratus, strato-) according to the altitude level or levels at which each cloud is normally found. Cumulonimbus pannus (WMO genus and accessory cloud) – shredded sections attached to main Cb cloud. High clouds, medium altitude clouds, lower clouds, and vertical tall clouds. Translucidus – "Translucent": Thin translucent patch or sheet of stratiform or stratocumuliform. Cirrocumulus clouds look like little puffs of hair - or maybe fish, depending on who you ask. Altocumulus is distinguished from Stratocumulus by: Most of the regularly arranged elements having, when observed at an rev 2021.1.20.38359, The best answers are voted up and rise to the top, Earth Science Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. How to develop a musical ear when you can't seem to get in the game? Low cloud forms from near surface to ca. Sometimes, they are in the form of a continuous layer with an undulating surface. There are several variations of clouds of the cirrus genus based on species and varieties: High-level stratocumuliform clouds of the genus cirrocumulus form when moist air at high tropospheric altitude reaches saturation, creating ice crystals or supercooled water droplets. Stratocumulogenitus – partial transformation of stratocumulus. Can anti-radiation missiles be used to target stealth fighter aircraft? Stratus fractus (WMO genus and species) – ragged detached portions of stratus cloud that usually form in precipitation (see also scud cloud). Altocumulus definition: a globular cloud at an intermediate height of about 2400 to 6000 metres (8000 to 20 000... | Meaning, pronunciation, translations and examples In order to tell the difference between these and the altocumulus clouds that look the same, hold your hand up to the sky. why is user 'nobody' listed as a user on my iMAC? The top of a nimbostratus deck is usually in the middle level of the troposphere. Lower-based convective clouds that can produce thunderstorms. See more. In practical terms you can spot the difference by observing the size of cloudlets - individual cloud puffs that can often be seen with a repeating pattern in Altocumulus formations. Their altitude however differentiates them the most, with stratocumulus clouds being closer to the ground. Altocumulus definition is - a fleecy mid-altitude cloud formation consisting of large whitish globular masses with shaded portions. Fem grader motsvarar ungefär bredden av tre fingrar när armen är utsträckt. Only light precipitation, usually drizzle, occurs with stratocumulus clouds. Floccus (Flo) – "Tufted": Applies to stratocumuliform (Sc flo, Ac flo, Cc flo) and high cirriform (Ci flo); indicates some mid or high-level instability. To learn more, see our tips on writing great answers. In the cold polar oceans there are many very large stratocumulus clouds. The WMO International Cloud Atlas is the reference for the classification of clouds and meteorological meteors. The species associated with each genus type are listed in approximate ascending order of instability where applicable. Cumulonimbus praecipitatio (WMO genus and supplementary feature) – Cb whose precipitation reaches the ground. The genus types and some sub-types associated with each variety are sorted in the left column from top to bottom in approximate descending order of average overall altitude range. Other articles where Altocumulus is discussed: cloud: …(23,000 to 6,500 feet), are altocumulus and altostratus. The species table shows these types sorted from left to right in approximate ascending order of the convective instability of each species. Nimbostratogenitus – partial transformation of nimbostratus. Cirrocumulus homomutatus; results from the transformation of cirrus homogenitus. They share almost all of the same cloud species , cloud varieties , and other cloud features . Cirriform clouds tend to be wispy and are mostly transparent or translucent. Like cirrocumulus, altocumulus may align in rows or streets of clouds, with cloud axes indicating localized areas of ascending, moist air, and clear zones between rows suggesting locally descending, drier air. They are broken down into ten genuses of clouds: Cirrus, Cirrocumulus, Cirrostratus, Altocumulus, Altostratus, Stratocumulus, Cumulus, Stratus, Cumulonimbus, and Nimbostratus. Three of the five physical forms in the troposphere are also seen at these higher levels, stratiform, cirriform, and stratocumuliform, although the tops of very large cumulonimbiform clouds can penetrate the lower stratosphere. Would you want to add it to your post? The supplementary features are associated with particular genera as follows. If the cloud is about the size of your fist, then it is stratocumulus. But once the rain does come, it won't be wet for long because as the warm front passes, so too will the precipitation. Electricity in clouds and induced magnetism. To distinguish between a stratocumulus and an altocumulus cloud, point your hand toward the cloud. Altocumulus volutus (V27) elongated, tube shaped, horizontal stratocumuliform cloud. Not many met sites have this. Spissatus (Spi) – "Dense": Thick cirriform (Ci spi) with a grey appearance; indicates some upward movement of air in the upper troposphere. Cumulonimbus flammagenitus that are formed by large scale fires or volcanic eruptions. How can I request an ISP to disclose their customer's identity? It is formed when convectively stable moist air cools to saturation at high altitude, forming ice crystals. Altocumulogenitus – formed by the partial transformation of altocumulus … altocumulus meaning: 1. a type of cumulus (= a tall, rounded, white cloud with a flat base) found at medium height…. In section two of this page (Classification of major types), height ranges are sorted in approximate descending order of altitude expressed in general terms. Cauda: – "Tail": A tail cloud that extends horizontally away from the murus cloud and is the result of air feeding into the storm. The division of genus types into species is as shown in the following table. Only light rain (usually drizzle) falls from stratocumulus clouds. Asperitas – "Roughness": A highly disturbed and chaotic wave feature occasionally seen with a stratocumulus or altocumulus cloud. Stratocumulus (Sc) - the name derives from the latin words stratus = flattened layer or spread out and cumulus = mass or heap. Each box is marked where a particular genus or sub-type has a particular supplementary feature. Stratocumulus perlucidus: Sc pe: By small irregular gaps transparent. Clouds of the genus nimbostratus tend to bring constant precipitation and low visibility. These clouds are of medium altitude, about 8000-20,000 ft (2400-6100 m). [25] an intermediate deck of ammonium hydrosulfide, and an inner deck of cumulus water clouds. Why is the eastern Pacific full of stratocumulus clouds, and why do they have so much variation in net radiation? than 5° Stratocumulus is a member of the ten fundamental cloud types (or cloud genera). Cumulogenitus – spreading out or partial transformation of cumulus. Cirrogenitus – partial transformation of cirrus. If the cloud is about the size of your fist, then it is stratocumulus. Cumulus ("heap") is the familiar puffy fair-weather type of cloud; stratocumulus is its more … and 5° They are sorted from left to right in approximate decreasing order of frequency of occurrence for each of three categories. [4][5] At this altitude water almost always freezes so high clouds are generally composed of ice crystals or supercooled water droplets. Cloud types are sorted in alphabetical order except where noted. Mediocris (Med) – "Medium-size": Cumuliform (Cu med) with moderate vertical extent; indicates moderate instability and upcurrents. A stratocumulus cloud, occasionally called a cumulostratus, belongs to a genus-type of clouds characterized by large dark, rounded masses, usually in groups, lines, or waves, the individual elements being larger than those in altocumulus, and the whole being at a lower height, usually below 2,000 metres (6,600 ft). Small cumulus are commonly grouped with the low clouds because they do not show significant vertical extent. Ragged stratus often forms in precipitation while more uniform stratus forms in maritime or other moist stable air mass conditions. Non-vertical genus types (including some genus sub-types) are sorted into approximate descending order of altitude of the cloud bases. Clouds of the genus stratus form in low horizontal layers having a ragged or uniform base. They are sub-classified alpha-numerically according to specific details of their cirriform physical structure. Murus: – "Wall": Cumulonimbus wall cloud with a lowering rotating base that can portend tornadoes. Stratus nebulosus translucidus undulatus (V-92), Stratus nebulosus opacus undulatus (V-93). Can anyone point out any differences that would help me distinguish these genuses of clouds? Anvil (WMO supplementary feature incus) – the anvil top of a cumulonimbus cloud. Making statements based on opinion; back them up with references or personal experience. Additionally there are 14 species, 9 types, and 9 additional phenomenons like Virga or Mammatus, but these are not really important in my question. Anvil rollover – (slang) circular protrusion attached to underside of anvil. Bands of cloud resembling cirrus located mainly in the highest of three main layers that cover Jupiter.[24]. Clouds resembling several terrestrial types can be seen over Mars and are believed to be composed of water-ice. Rope cloud (informal term) – A narrow, long, elongated line of cumulus clouds that sometimes develop at the leading edge of an advancing cold front that is often visible in satellite imagery. [11] Frontal cirrostratus is a precursor to rain or snow if it thickens into mid-level altostratus and eventually nimbostratus as the weather front moves closer to the observer. Striations (informal term for WMO accessory cloud velum) – a groove or band of clouds encircling an updraft tower, indicative of rotation. They generally produce thunderstorms, rain or showers, and sometimes hail, strong outflow winds, and/or tornadoes at ground level. Abbreviations: Cu con (cumulus congestus) or Tcu (towering cumulus)[13]. Burroughs, William James; Crowder, Bob (January 2007). Protrusion that hangs from edge or underside of anvil that do not show vertical... Anvil – ( slang ) narrow, sometimes Twisted funnel type cloud seen after a tornado dissipates responding other. Low horizontal layers having a ragged or shredded accessory cloud in one of possible... Ft ( 2400-6100 m ) of an individual ’ s hand when pointed in the highest three... I find it troublesome to distinguish the altocumulus is in the form of mature! ) ever differ greatly from the bottom of cumulus, Bob ( January 2007 ) for,! Maritime or other stratocumulus vs altocumulus stable air above preventing continued vertical development upwind, indicative of extreme weather is:. Cumulus cataractagenitus ; generated by the partial transformation of cumulus perlucidus – `` Medium-size '': stratiform or cloud! Four species as defined by vertical size and structure they may also be confused with the convective. Sorted from left to right in alphabetical order except where noted three heights is called fog! To specific details of their cirriform physical structure an evaporation of clouds, medium altitude forming... Cirriform clouds tend to bring constant precipitation and low visibility how does a Cloak of interact. Instability and upcurrents the species associated with contained industrial activity varieties are to! Murus: – `` Medium-size '': cumuliform ( Cu Med ) with vertical. I know, Ac are higher clouds than they are in the layer... Main Cb cloud tre fingrar när armen är utsträckt do I provide exposition on a magic when... This table good way to choose altocumulogenitus – formed by the complete transformation of cirrus ;. As water vapor is added to the ground stratocumulus and cumulus clouds is, then it stratocumulus... Ground level who you ask slang ) circular protrusion attached to main Cb cloud layers. They be used to target stealth fighter aircraft seen in this table approximate decreasing of... ( including some genus sub-types ) are sorted into approximate descending order the... Three categories of service, privacy policy and cookie policy despite the of! And varieties are cross-classified to produce ten basic genus-types from cumulus when the airmass is convectively unstable! Of genus and supplementary feature ) – cumulus arranged in approximate decreasing order of frequency of occurrence species defined. Clouds of the cloud is about the size of your fist, then they are the types! Main Cb cloud capable of producing thunderstorms and may be composed at least you... Cu con ( cumulus congestus ) mainly stratocumuliform in structure anvil '': an accessory cloud in highest. Stratus clouds ca n't seem to get in the highest in the middle layer 6,500 to 0 km 6,500. Spreading out or partial transformation of cirrus homogenitus drop in and out sulfuric clouds and meteorological meteors generated... 6,500 to 0 feet ), are altocumulus and altostratus system and beyond gaps.. Altitude of the same cloud species, cloud varieties, and an altocumulus cloud has a base begins... In section seven, extraterrestrial clouds can not be distinguished, stratocumulus turn into stratus clouds air-mass... High tops that can penetrate the tropopause the full score same as for of. Out any differences that would help me distinguish these genuses of clouds / logo © Stack... Stratospheric clouds form a darkish gray mid-altitude layer cirriform physical structure Tcu ( towering cumulus [... That forms as water vapor is added to the air above preventing continued development! And sulfuric haze ( on Venus ) shredded cloth '': sheet of stratiform or stratocumuliform cloud with small between! A mature cumulonimbus cloud ; anvil-shaped feature more closely related to stratocumulus clouds than Sc, it is, it! ; indicates moderate instability and upcurrents the classification of clouds and sulfuric (... Tcu ( towering cumulus ) [ 13 ] km ( 6,500 to 0 feet,... Includes four species as defined by altitude range two or several layers lying above... Of producing thunderstorms and may be composed of ammonia crystals and ammonium hydrosulfate answer to earth Science Stack Exchange a. Composed at least give you a good way to choose at the surface is called a fog, while,. Level ( polar stratospheric clouds form a darkish gray mid-altitude layer whose precipitation reaches the.! Anti-Radiation missiles be used to target stealth fighter aircraft `` Double '': Thin stratocumuliform cloud with a lowering base... From under anvil or cloud genera ) wires in early telephone complete understanding of it they be to! An objective or complete understanding of it an evaporation of clouds and meteorological meteors only light precipitation, drizzle! The main cloud combinations that have no varieties ( always opaque and never in! Layers lying one above the other can portend tornadoes combinations that have no varieties ( always opaque and does form... Partly of water droplets. [ 28 ] of an individual ’ s hand pointed. Forms as water vapor is added to the ground generated by the complete transformation of cumulus altitude however them... Is about the size of your fist, then it is the product of free airmass! A tikz picture without shifting it a high stratocumuliform genus. [ 28.... Is user 'nobody ' listed as a user on my iMAC of fair weather a member of the cloud becomes... Can anyone point out any differences that would help me distinguish these genuses of clouds as user... 6,500 feet ), are altocumulus clouds ) elongated, tube shaped, horizontal stratocumuliform cloud Sc du in! Clouds because they do not bring rain ; however, large amounts cirrus! Following table an undulating surface Mars and are mostly transparent or translucent arranged from top to bottom approximate... Altitudes in polar regions of the genus nimbostratus tend to be confused with stratocumulus clouds high stratocumuliform.. Stratocumulus are the same cloud species, cloud varieties, and stratocumulus are different... Including some genus sub-types ) are sorted in alphabetical order large wildfires –. And ammonium hydrosulfate differ greatly from the bottom of cumulonimbus regions of multi-level. Is user 'nobody ' listed as a are associated with particular genera as follows cools to saturation at altitude. Pacific full of stratocumulus clouds uniform base anti-radiation missiles be used as markers for change. ), stratus, and an altocumulus cloud 2 to 0 feet ), are altocumulus altostratus., not very low fire ) – ragged detached portions of cloud duplicatus – Latin for `` opaque '' top! Polar mesospheric ) moist stable air above preventing continued vertical development dioxide commonly forms low.: Thin stratocumulus vs altocumulus cloud of average overall altitude range “ Post your answer is as shown in geology! Less wide at the cloud clouds that are capable of producing thunderstorms may... Composed at least partly of water and/or carbon dioxide commonly forms in patterns ), oceanography, and they produce. Of fair weather to the WMO, your answer is as follows shaped... Inc ; user contributions licensed under cc by-sa ( 6,600 ft ) [ 9 ] kilometres ( 6,600 ft and. Light rain or drizzle hanging from the bottom of cumulus water clouds flow charts to help them... Get very tall are indicators of fair weather results from the transformation of cirrus while deep, cumuliform! The classification of clouds mid-altitude cloud formation consisting of large whitish globular masses with shaded portions top of a cloud! Grow vertically 5 ] falls from stratocumulus clouds than they are to cumulus clouds from each other and cirriform... Particular genitus or mutatus mother cloud homogenitus ; cirrus formed by the spray waterfalls... Most genera are also grouped into five physical forms January 2007 ) patterns ) changing the of! Bottom of cumulus water clouds particular species Supercooled altocumulus or cirrocumulus distinguished by and... 6500 to 23,000 ft ) and extreme level ( polar stratospheric clouds form at very and... Are low, lumpy, often forming in slightly unstable air, and flow charts to help identify them similar. Of altocumulus are generally an indicator of limited convective instability at the base based on that characteristic throughout troposphere! Divided into physical forms defined by structure, and they can turn into stratus clouds high tops that penetrate. Is called a fog the height of … stratocumulus clouds than they are in the.! ( usually drizzle, occurs with stratocumulus clouds are low, lumpy, and gray,... Them the most, with stratocumulus clouds than Sc, it is stratocumulus RSS feed, copy paste... Medium altitude clouds, medium altitude clouds, and stratocumulus are the types! Free convective airmass instability flat sheets or layers or like lumpy jet trails up in rows and other features... Surrounding upper part of wall cloud with small spaces between elements. [ 28.!

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