At least part of its upper portion is usually smooth, or fibrous or striated, and nearly always flattened; this part often spreads out in the shape of an anvil or vast plume. Most cumulonimbus clouds will dump their contents in around 20 minutes, and then begin to dissipate, but that dramatic downpour can often cause damage and flash-flooding. The Most Surprisingly Serendipitous Words Of The Day. Word Family. “Affect” vs. “Effect”: Use The Correct Word Every Time. Furthermore, some cumulonimbus clouds can form a supercell during the mature stage, caused by a consistent and massive rotating updraft. At least part of its upper portion is usually smooth, or fibrous or striated, and nearly always flattened; this part often spreads out in … a cloud of a class indicative of thunderstorm conditions, characterized by large, dense towers that often reach altitudes of 30,000 feet (9,000 meters) or more, cumuliform except for their tops, which appear fibrous because of the presence of ice crystals: occurs as a single cloud or as a group with merged bases and separate tops. Some of these massive clouds will also form small bubbles on the underside, called mammatus. The Birth of a Cumulonimbus Cloud. In some cases, the precipitation will mostly or completely evaporate before reaching the ground. A vertically developed cumulus cloud, often capped by an anvil-shaped cirriform cloud. An extremely dense, vertically developed cloud with a low, dark base and fluffy masses that tower to great heights. Cumulonimbus definition, a cloud of a class indicative of thunderstorm conditions, characterized by large, dense towers that often reach altitudes of 30,000 feet (9,000 meters) or more, cumuliform except for their tops, which appear fibrous because of the presence of ice crystals: occurs as a single cloud or as a group with merged bases and separate tops. Cumulus clouds definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. : cumulus cloud having a low base and often spread out in the shape of an anvil extending to great heights — see cloud illustration. Cumulonimbus clouds get a lot of attention because they bring dangerous weather phenomena, such as lightning, tornadoes, and blizzards. Also called a thunderstorm cloud, it is frequently accompanied by heavy shower s, lightning, thunder, and sometimes hail or gusty winds. Its base can be very low to the ground, and its top can extend to the highest layer of the troposphere. These severe storms can often last for 2-4 hours, but are the least common form of thunderstorms, mostly seen in the Great Plains of the United States. The name was taken from the world cumulus and nimbus. en.wiktionary.org. a cumulus cloud of great vertical extent, the top often forming an anvil shape and the bottom being dark coloured, indicating rain or hail: associated with thunderstorms. Cumulus cloud is the base of formation of a cumulonimbus cloud and also of tornadoes. Published by Houghton Mifflin Harcourt Publishing Company. Définitions de cumulonimbus. As mentioned, when water vapor (moisture) is drawn upwards through an unstable air mass on a hot day, a cumulonimbus cloud may start to form. Sitting under a porch, feeling the humidity fluctuate and the air change, watching the thunderheads roll in… there’s no denying that it feels exciting. A big, bright bolt of lightning streaks across the sky. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins The Dictionary.com Word Of The Year For 2020 Is …. Subscribe to our mailing list and get interesting stuff and updates to your email inbox. Definition of Cumulonimbus (Section 2.3.10.1) Heavy and dense cloud, with a considerable vertical extent, in the form of a mountain or huge towers. Also called a thunderstorm cloud, it is frequently accompanied by heavy showers, lightning, thunder, and sometimes hail, tornadoes or strong, gusty winds. Why Is The Sun White At Noon And Red During Sunrise And Sunset. 2. The moisture rapidly cools down and condenses to form tiny drops of water, forming the rising cumulus clouds. Why Are There Stones Along Railway Tracks? When water vapor is drawn upwards by strong air currents, it can represent the developmental stage of a cumulonimbus cloud. A few seconds later, you hear the rumble and crash of thunder as it shakes the windows in your house. Cumulonimbus clouds are thunderstorm clouds and are associated with heavy rain, snow, hail, lightning, and sometimes tornadoes. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. The mature Cumulonimbus cloud has a distinctive flat, anvil shaped top. An example of cumulonimbus cloud. Cumulonimbus clouds, for instance, are rife near mountain chains in hot weather regions. They are formed when warm, moist air rises within the cooler air. How Does The Arctic Ocean Freeze During Winters? Synonyms: cumulonimbus, thundercloud. translation and definition "Cumulonimbus", Dictionary English-English online ... Definitions. Cumulonimbus clouds also have vertical growth and can grow up to 10 km high. What Would Happen If You Shot A Bullet On A Train? Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition They are certainly the most impressive, rolling out from over the horizon like a vengeful wave of anger and retribution. The objectives of this study are to elucidate the structure of cu-mulonimbus cloud that caused heavy rainfall over a mountain region, and to understand the roles of a valley wind circulation and a sea breeze in the development of a cumulonimbus cloud. Modern-Day Dinosaurs: The Descendants Of Dinosaurs That Surround Us Today. Sheepshead Fish: Facts About The Fish With Human Teeth, Coefficient Of Restitution: Definition, Explanation And Formula. When water vapor is drawn upwards by strong air currents, it can represent the developmental stage of a cumulonimbus cloud. ‘the development of clouds from … cumulonimbus definition: 1. a large, tall type of cumulus cloud that is often dark and brings heavy rain or a thunderstorm…. Why Is Microsoft Planning To Move Data Centers Under Water? cumulonimbus cloud - a dark cloud of great vertical extent charged with electricity; associated with thunderstorms. The cumulonimbus cloud is the only cloud that extends through all three cloud levels. Cumulonimbus A vertically developed cumulus cloud, often capped by an anvil-shaped cirriform cloud. The weather conditions necessary for such clouds to form include an unstable air mass, sufficient moisture, and an upward force (typically provided by heat). cumulonimbus cloud. In desert areas, or during a drought, this can lead to forest fires, since the lightning may still be severe, but there won’t be any rain to douse the flames. However, when you’re looking at that storm blowing in, what you’re probably looking at are cumulonimbus clouds, the largest types of clouds we see in the sky! Observation and data The Noubi Plain is surrounded by the Ibuki What Is The Difference Between “It’s” And “Its”? Are you learning Spanish? While these clouds can form anywhere on the planet, they are primarily found in tropical areas, where violent (and brief) summer storms are the norm. On a perpetual journey towards the idea of home, he uses words to educate, inspire, uplift and evolve. Cumulonimbus clouds are composed of water vapor near the bottom and ice crystals near the very top, part of the reason why their growth typically has a cap before the storm finally breaks. The latter one means storm cloud or rainstorm, while the former one means heap. Cumulonimbus clouds are the most iconic, beloved and feared clouds on our planet. Definition of cumulonimbus. Circle Of Willis: Anatomy, Diagram And Functions. Cumulonimbus is a type of cloud, similar to cumulus, that extends to a great height and is associated with thunderstorms. They can bring life-giving rain, but they can also deliver devastating floods and crushing rain, as well as hail or blizzards, depending on the region and local temperature. These types of clouds usually form in tropical areas, where these elements are more commonly found together, but blizzards are another form of precipitation caused by cumulonimbus clouds. The top of the cloud might take on a bald appearance ( calvus cloud species ), or it can take on a hairy and fibrous upper portion ( capillatus cloud species ). How Big Is It and Does It Bite? Nuage sombre, bourgeonnant, à grand développement vertical (entre les niveaux de 400 et 10 000 m), qui déclenche les averses de grêle et les orages. Copyright © 2011. They are often called thunderheads or storm clouds—even if they don’t produce precipitation, e.g., dry storms—because they are often dark and ominous. A cloud, with a tall structure and a flat base, that is often associated with thunderstorms. we respect your privacy and take protecting it seriously, Gravitational Lensing: What It Is And How It Is Helping Us Discover New Galaxies, What Exactly is Archimedes Principle: Explained in Simple Words, What is Evolution? The cumulonimbus flammagenitus cloud (CbFg), also known as the pyrocumulonimbus cloud, is a type of cumulonimbus cloud that forms above a source of heat, such as a wildfire or volcanic eruption, and may sometimes even extinguish the fire that formed it. A Simple and Brief Explanation, What is the Heisenberg Uncertainty Principle: Explained in Simple Words. Cumulonimbus may form alone, in clusters, or along cold front squall lines. Heavy and dense cloud, with a considerable vertical extent, in the form of a mountain or huge towers. The large amount of water and ice crystals in the clouds will absorb and scatter the light, creating their threatening appearance! At this height, high winds will flatten the top of the cloud out into an anvil-like shape. Or do you just have an interest in foreign languages? Cumulonimbus. There are few things as pleasurable or nostalgic as a good summer storm. These monumental vertical clouds may evolve from other types of cumulus clouds, which hang around 6,000 feet in the air, but the clouds will continue to build and grow, stretching up to 40,000 feet high and beyond! Either way, this quiz on Spanish words for animals is for you. What Is The Fibonacci Sequence? The strong winds that high in the atmosphere will shear off the top, creating the appearance of a flat top. Cumulonimbus clouds usually produce heavy rains, thunderstorms, or hailstorms. Cumulonimbus is a dense towering vertical cloud associated with thunderstorms and atmospheric instability, forming from water vapour carried by powerful upward air currents. They can also produce severe, dangerous weather, including supercells and torrential rains. Facts about Cumulonimbus Clouds present the information about the dense vertical cloud. in the cumulonimbus cloud. the "cumulonimbus cloud" family. Cumulonimbus clouds are large, a visible mass of water or ice particles suspended at a considerable altitude. Learn more. cloud - a visible mass of water or ice particles suspended at a considerable altitude. cumulonimbus, cumulonimbus cloud, thundercloud (noun) a dark cloud of great vertical extent charged with electricity; associated with thunderstorms How to pronounce cumulonimbus cloud? John Staughton is a traveling writer, editor, publisher and photographer who earned his English and Integrative Biology degrees from the University of Illinois. These clouds may line up to form a storm front, in what is called a flanking line, or a small tube/funnel will dangle down from the clouds, with the potential to form a tornado! Cumulonimbus is a heavy and dense cloud of considerable vertical extent in the form of a mountain or huge tower, often associated with heavy precipitation, lightning and thunder. en.wiktionary.2016 [noun] A cloud, with a tall structure and a flat base, that is often associated with thunderstorms. The mature stage is evidenced by additional moisture being drawn upwards and condensed once it comes in contact with condensation nuclei high in the atmosphere. The American Heritage® Science Dictionary While most people simply think of them as “storm clouds”, there are a number of fascinating facts about this cloud type that make it worthy of our attention. The proper cloud classification abbreviation for this cloud is ‘Cb cal’. Type of: cloud. en.wiktionary.org. Once a certain tipping point is reached, these massive clouds will begin outpouring the energy in the form of precipitation, often in brief and violent storms. Those gloomy clouds keeping you from playing outside and having fun are called cumulonimbus clouds. He is the co-founder of a literary journal, Sheriff Nottingham, and the Content Director for Stain’d Arts, an arts nonprofit based in Denver. n a dark cloud of great vertical extent charged with electricity; associated with thunderstorms. The two main species of a cumulonimbus cloud are Cumulonimbus calvus and Cumulonimbus capillatus, which are differentiated by their topmost appearance, the former being puffy but solid, while the latter is more scattered and flurried, like a cirrus cloud. Look it up now! Cumulonimbus definition: a cumulus cloud of great vertical extent , the top often forming an anvil shape and the... | Meaning, pronunciation, translations and examples To the untrained eye, most storm clouds look the same, but not all cumulonimbus clouds are created equal, and there are some key differences you should understand. What is a Cumulonimbus Cloud? Cumulonimbus (din limba latină cumulus "grămadă" și nimbus "nor de furtună") este un nor dens, înalt, asociat cu furtuni și instabilitate atmosferică, format din vapori de apă sub acțiunea unui vânt ascendent.Norii Cumulonimbus se pot forma izolat, grupați sau de-a lungul unui front atmosferic rece sub forma liniilor de furtuni (eng. (Photo Credit : John D Sirlin/ Shutterstock). All rights reserved. cumulonimbus - a dark cloud of great vertical extent charged with electricity; associated with thunderstorms cumulonimbus cloud , thundercloud cloud - a visible mass of water or ice particles suspended at a considerable altitude “Inauguration” vs. “Swearing In”: What’s The Difference? So, the next time you hear a rumble in the distance, bring your friends outside and give them the lowdown on cumulonimbus clouds… just make sure you get back inside before the bottom falls out and the rain begins to pour! 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