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Cirrus cloud

Index Cirrus cloud

Cirrus (cloud classification symbol: Ci) is a genus of atmospheric cloud generally characterized by thin, wispy strands, giving the type its name from the Latin word cirrus, meaning a ringlet or curling lock of hair. [1]

108 relations: Altitude, Altocumulus cloud, Altostratus cloud, Ammonia, Antarctica, Arctic, Atmosphere of Jupiter, Atmospheric instability, Atmospheric pressure, Bar (unit), Benito Vines, Cassini–Huygens, Circumhorizontal arc, Circumzenithal arc, Cirrocumulus cloud, Cirrostratus cloud, Cirrus castellanus cloud, Cirrus cloud, Cirrus cloud thinning, Cloud, Cold front, Contrail, Convection, Cumulonimbus cloud, Cumulonimbus incus, Cumulus cloud, Deposition (phase transition), Diurnal cycle, Environmental impact of aviation, Eye (cyclone), Fallstreak hole, Gallon, Global warming, Glory (optical phenomenon), Great Dark Spot, Greenhouse effect, Halo (optical phenomenon), Havana, Hygrometer, Ice crystals, Ice nucleus, Infrared, Infrared cirrus, Interstellar cloud, Inversion (meteorology), Iridescence, Iris hypothesis, Jet stream, Jupiter, Kelvin–Helmholtz instability, ..., Latin, Lidar, Light-year, List of cloud types, Litre, Mars, Melting point, Methane, Methane clathrate, Micrometre, Moderate Resolution Imaging Spectroradiometer, MSNBC, Multicellular thunderstorm, NASA, National Oceanic and Atmospheric Administration, Neptune, Nimbostratus cloud, Optical phenomena, Order of magnitude, Outflow (meteorology), Phoenix (spacecraft), Planet, Plymouth State University, Positive feedback, Precipitation, Richard Lindzen, Saturn, Sea level, Sea surface temperature, Solar irradiance, Squall line, Stratocumulus cloud, Stratosphere, Stratospheric Aerosol and Gas Experiment, Stratus cloud, Sun dog, Supercooling, Supersaturation, Thunderstorm, Time-lapse photography, Titan (moon), Tropical cyclone, Tropopause, Troposphere, Typhoon, United States Navy, Uranus, Virga, Warm front, Water cycle, Water vapor, Weather and Forecasting, Weather front, Wind shear, Windward and leeward, World Meteorological Organization, York University, 22° halo. Expand index (58 more) »

Altitude

Altitude or height (sometimes known as depth) is defined based on the context in which it is used (aviation, geometry, geographical survey, sport, atmospheric pressure, and many more).

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Altocumulus cloud

Altocumulus (From Latin Altus, "high", cumulus, "heaped") is a middle-altitude cloud genus that belongs mainly to the stratocumuliform physical category 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.

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Altostratus cloud

Altostratus is a middle altitude cloud genus belonging to the stratiform physical category characterized by a generally uniform gray to bluish-green and sheet or layer.

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Ammonia

Ammonia is a compound of nitrogen and hydrogen with the formula NH3.

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Antarctica

Antarctica is Earth's southernmost continent.

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Arctic

The Arctic is a polar region located at the northernmost part of Earth.

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Atmosphere of Jupiter

The atmosphere of Jupiter is the largest planetary atmosphere in the Solar System.

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Atmospheric instability

Atmospheric instability is a condition where the Earth's atmosphere is generally considered to be unstable and as a result the weather is subjected to a high degree of variability through distance and time.

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Atmospheric pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet).

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Bar (unit)

The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI).

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Benito Vines

Benito Vines was a Jesuit cleric during the 19th and early 20th centuries in Havana, Cuba.

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Cassini–Huygens

The Cassini–Huygens mission, commonly called Cassini, was a collaboration between NASA, the European Space Agency (ESA), and the Italian Space Agency (ASI) to send a probe to study the planet Saturn and its system, including its rings and natural satellites.

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Circumhorizontal arc

A circumhorizontal arc is an optical phenomenon that belongs to the family of ice halos formed by the refraction of sun- or moonlight in plate-shaped ice crystals suspended in the atmosphere, typically in cirrus or cirrostratus clouds.

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Circumzenithal arc

The circumzenithal arc, also called the circumzenith arc (CZA), upside-down rainbow, and the Bravais arc,"Mémoire sur les halos et les phénomènes optiques qui les accompagnent", J. de l' École Royale Polytechnique 31(18), 1-270, A. Bravais, 1847 is an optical phenomenon similar in appearance to a rainbow, but belonging to the family of halos arising from refraction of sunlight through ice crystals, generally in cirrus or cirrostratus clouds, rather than from raindrops.

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Cirrocumulus cloud

Cirrocumulus is one of the three main genus-types of high-altitude tropospheric clouds, the other two being cirrus and cirrostratus.

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Cirrostratus cloud

Cirrostratus is a high-level, very thin, generally uniform stratiform genus-type of cloud, composed of ice-crystals.

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Cirrus castellanus cloud

Cirrus castellanus is a species of cirrus cloud.

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Cirrus cloud

Cirrus (cloud classification symbol: Ci) is a genus of atmospheric cloud generally characterized by thin, wispy strands, giving the type its name from the Latin word cirrus, meaning a ringlet or curling lock of hair.

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Cirrus cloud thinning

Cirrus cloud thinning is a proposed form of climate engineering.

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Cloud

In meteorology, a cloud is an aerosol consisting of a visible mass of minute liquid droplets, frozen crystals, or other particles suspended in the atmosphere of a planetary body.

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Cold front

A cold front is the leading edge of a cooler mass of air, replacing at ground level a warmer mass of air, which lies within a fairly sharp surface trough of low pressure.

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Contrail

Contrails (short for "condensation trails") are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruise altitudes several miles above the Earth's surface.

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Convection

Convection is the heat transfer due to bulk movement of molecules within fluids such as gases and liquids, including molten rock (rheid).

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Cumulonimbus cloud

Cumulonimbus, from the Latin cumulus ("heaped") and nimbus ("rainstorm"), is a dense, towering vertical cloud, forming from water vapor carried by powerful upward air currents.

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Cumulonimbus incus

A cumulonimbus incus (Latin incus, "anvil") also known as an anvil cloud is a cumulonimbus cloud which has reached the level of stratospheric stability and has formed the characteristic flat, anvil-top shape.

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Cumulus cloud

Cumulus clouds are clouds which have flat bases and are often described as "puffy", "cotton-like" or "fluffy" in appearance.

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Deposition (phase transition)

Deposition is a thermodynamic process, a phase transition in which gas transforms into solid without passing through the liquid phase.

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Diurnal cycle

A diurnal cycle is any pattern that recurs every 24 hours as a result of one full rotation of the Earth around its own axis.

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Environmental impact of aviation

The environmental impact of aviation occurs because aircraft engines emit heat, noise, particulates, and gases which contribute to climate change and global dimming.

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Eye (cyclone)

The eye is a region of mostly calm weather at the center of strong tropical cyclones.

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Fallstreak hole

A fallstreak hole (also known as a hole punch cloud, punch hole cloud, skypunch, cloud canal or cloud hole) is a large gap, usually circular or elliptical, that can appear in cirrocumulus or altocumulus clouds.

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Gallon

The gallon is a unit of measurement for fluid capacity in both the US customary units and the British imperial systems of measurement.

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Global warming

Global warming, also referred to as climate change, is the observed century-scale rise in the average temperature of the Earth's climate system and its related effects.

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Glory (optical phenomenon)

A glory is an optical phenomenon, resembling an iconic saint's halo around the shadow of the observer's head, caused by sunlight or (more rarely) moonlight interacting with the tiny water droplets that compose mist or clouds.

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Great Dark Spot

The Great Dark Spot (also known as GDS-89) was one of a series of dark spots on Neptune similar in appearance to Jupiter's Great Red Spot.

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Greenhouse effect

The greenhouse effect is the process by which radiation from a planet's atmosphere warms the planet's surface to a temperature above what it would be without its atmosphere.

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Halo (optical phenomenon)

Halo (from Greek ἅλως, halōs) is the name for a family of optical phenomena produced by sunlight interacting with ice crystals suspended in the atmosphere.

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Havana

Havana (Spanish: La Habana) is the capital city, largest city, province, major port, and leading commercial center of Cuba.

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Hygrometer

A hygrometer is an instrument used for measuring the amount of humidity and water vapor in the atmosphere, in soil, or in confined spaces.

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Ice crystals

Ice crystals are solid ice exhibiting atomic ordering on various length scales and include hexagonal columns, hexagonal plates, dendritic crystals, and diamond dust.

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Ice nucleus

An ice nucleus is a particle which acts as the nucleus for the formation of an ice crystal in the atmosphere.

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Infrared

Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.

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Infrared cirrus

Infrared cirrus are filamentary structures seen in space that emit infrared light.

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Interstellar cloud

An interstellar cloud is generally an accumulation of gas, plasma, and dust in our and other galaxies.

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Inversion (meteorology)

In meteorology, an inversion is a deviation from the normal change of an atmospheric property with altitude.

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Iridescence

Iridescence (also known as goniochromism) is the phenomenon of certain surfaces that appear to gradually change colour as the angle of view or the angle of illumination changes.

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Iris hypothesis

The iris hypothesis is a hypothesis proposed by Richard Lindzen et al.

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Jet stream

Jet streams are fast flowing, narrow, meandering air currents in the atmospheres of some planets, including Earth.

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Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar System.

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Kelvin–Helmholtz instability

The Kelvin–Helmholtz instability (after Lord Kelvin and Hermann von Helmholtz) can occur when there is velocity shear in a single continuous fluid, or where there is a velocity difference across the interface between two fluids.

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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Lidar

Lidar (also called LIDAR, LiDAR, and LADAR) is a surveying method that measures distance to a target by illuminating the target with pulsed laser light and measuring the reflected pulses with a sensor.

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Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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List of cloud types

The list of cloud types classifies the tropospheric genera as high (cirrus, cirrocumulus, cirrostratus), middle (altocumulus, altostratus), multi-level (nimbostratus, cumulus, cumulonimbus), and low (stratocumulus, stratus) according to the altitude level or levels at which each is normally found.

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Litre

The litre (SI spelling) or liter (American spelling) (symbols L or l, sometimes abbreviated ltr) is an SI accepted metric system unit of volume equal to 1 cubic decimetre (dm3), 1,000 cubic centimetres (cm3) or 1/1,000 cubic metre. A cubic decimetre (or litre) occupies a volume of 10 cm×10 cm×10 cm (see figure) and is thus equal to one-thousandth of a cubic metre. The original French metric system used the litre as a base unit. The word litre is derived from an older French unit, the litron, whose name came from Greek — where it was a unit of weight, not volume — via Latin, and which equalled approximately 0.831 litres. The litre was also used in several subsequent versions of the metric system and is accepted for use with the SI,, p. 124. ("Days" and "hours" are examples of other non-SI units that SI accepts.) although not an SI unit — the SI unit of volume is the cubic metre (m3). The spelling used by the International Bureau of Weights and Measures is "litre", a spelling which is shared by almost all English-speaking countries. The spelling "liter" is predominantly used in American English. One litre of liquid water has a mass of almost exactly one kilogram, because the kilogram was originally defined in 1795 as the mass of one cubic decimetre of water at the temperature of melting ice. Subsequent redefinitions of the metre and kilogram mean that this relationship is no longer exact.

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Mars

Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.

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Melting point

The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid at atmospheric pressure.

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Methane

Methane is a chemical compound with the chemical formula (one atom of carbon and four atoms of hydrogen).

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Methane clathrate

Methane clathrate (CH4·5.75H2O) or (4CH4·23H2O), also called methane hydrate, hydromethane, methane ice, fire ice, natural gas hydrate, or gas hydrate, is a solid clathrate compound (more specifically, a clathrate hydrate) in which a large amount of methane is trapped within a crystal structure of water, forming a solid similar to ice.

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Micrometre

The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling (SI standard prefix "micro-".

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Moderate Resolution Imaging Spectroradiometer

The Moderate Resolution Imaging Spectroradiometer (MODIS) is a payload scientific instrument built by Santa Barbara Remote Sensing that was launched into Earth orbit by NASA in 1999 on board the Terra (EOS AM) Satellite, and in 2002 on board the Aqua (EOS PM) satellite.

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MSNBC

MSNBC is an American news cable and satellite television network that provides news coverage and political commentary from NBC News on current events.

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Multicellular thunderstorm

A multicellular thunderstorm cluster is a thunderstorm that is composed of multiple cells, each being at a different stage in the life cycle of a thunderstorm.

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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National Oceanic and Atmospheric Administration

The National Oceanic and Atmospheric Administration (NOAA; pronounced, like "Noah") is an American scientific agency within the United States Department of Commerce that focuses on the conditions of the oceans, major waterways, and the atmosphere.

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Neptune

Neptune is the eighth and farthest known planet from the Sun in the Solar System.

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Nimbostratus cloud

Nimbostratus is a stratiform genus formerly classified as "Family C” low-level, but now considered by the World Meteorological Organization (WMO) to be a middle- or multi-level stratus type.

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Optical phenomena

Optical phenomena are any observable events that result from the interaction of light and matter.

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Order of magnitude

An order of magnitude is an approximate measure of the number of digits that a number has in the commonly-used base-ten number system.

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Outflow (meteorology)

Outflow, in meteorology, is air that flows outwards from a storm system.

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Phoenix (spacecraft)

Phoenix was a robotic spacecraft on a space exploration mission on Mars under the Mars Scout Program.

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Planet

A planet is an astronomical body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.

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Plymouth State University

Plymouth State University (PSU), formerly Plymouth State College, is a coeducational, residential university located in Plymouth, New Hampshire, United States, with an enrollment of approximately 4,200 undergraduate students and 2,100 graduate students.

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Positive feedback

Positive feedback is a process that occurs in a feedback loop in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation.

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Precipitation

In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravity.

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Richard Lindzen

Richard Siegmund Lindzen (born February 8, 1940) is an American atmospheric physicist known for his work in the dynamics of the middle atmosphere, atmospheric tides, and ozone photochemistry.

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Saturn

Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter.

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Sea level

Mean sea level (MSL) (often shortened to sea level) is an average level of the surface of one or more of Earth's oceans from which heights such as elevations may be measured.

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Sea surface temperature

Sea surface temperature (SST) is the water temperature close to the ocean's surface.

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Solar irradiance

Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument.

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Squall line

A squall line (also known as a quasi-linear convective system or QLCS) is a line of thunderstorms forming along or ahead of a cold front.

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Stratocumulus cloud

A stratocumulus cloud 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 altitude, usually below 2,400 meters (8,000 ft).

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Stratosphere

The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere.

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Stratospheric Aerosol and Gas Experiment

The Stratospheric Aerosol and Gas Experiment (SAGE) is a series of remote sensing satellite instruments used to study the chemical composition of earth's atmosphere.

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Stratus cloud

Stratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds that are formed by rising thermals.

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Sun dog

A sun dog (or sundog) or mock sun, formally called a parhelion (plural parhelia) in meteorology, is an atmospheric optical phenomenon that consists of a bright spot to the left or right of the Sun.

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Supercooling

Supercooling, also known as undercooling, is the process of lowering the temperature of a liquid or a gas below its freezing point without it becoming a solid.

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Supersaturation

Supersaturation is a state of a solution that contains more of the dissolved material than could be dissolved by the solvent under normal circumstances.

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Thunderstorm

A thunderstorm, also known as an electrical storm, lightning storm, or thundershower, is a storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere, known as thunder.

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Time-lapse photography

Time-lapse photography is a technique whereby the frequency at which film frames are captured (the frame rate) is much lower than that used to view the sequence.

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Titan (moon)

Titan is the largest moon of Saturn.

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Tropical cyclone

A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain.

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Tropopause

The tropopause is the boundary in the Earth's atmosphere between the troposphere and the stratosphere.

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Troposphere

The troposphere is the lowest layer of Earth's atmosphere, and is also where nearly all weather conditions take place.

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Typhoon

A typhoon is a mature tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere.

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United States Navy

The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States.

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Uranus

Uranus is the seventh planet from the Sun.

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Virga

In meteorology, a virga is an observable streak or shaft of precipitation falling from a cloud that evaporates or sublimates before reaching the ground.

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Warm front

A warm front is a density discontinuity located at the leading edge of a homogeneous warm air mass, and is typically located on the equator-facing edge of an isotherm gradient.

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Water cycle

The water cycle, also known as the hydrological cycle or the hydrologic cycle, describes the continuous movement of water on, above and below the surface of the Earth.

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Water vapor

No description.

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Weather and Forecasting

Weather and Forecasting is a scientific journal published by the American Meteorological Society.

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Weather front

A weather front is a boundary separating two masses of air of different densities, and is the principal cause of meteorological phenomena outside the tropics.

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Wind shear

Wind shear (or windshear), sometimes referred to as wind gradient, is a difference in wind speed and/or direction over a relatively short distance in the atmosphere.

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Windward and leeward

Windward is the direction upwind from the point of reference, alternatively the direction from which the wind is coming.

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World Meteorological Organization

The World Meteorological Organization (WMO) is an intergovernmental organization with a membership of 191 Member States and Territories.

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York University

York University (Université York) is a public research university in Toronto, Ontario, Canada.

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22° halo

A 22° halo is an optical phenomenon that belongs to the family of ice crystal halos, in the form of a ring with a radius of approximately 22° around the Sun or Moon.

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Redirects here:

Cirriform cloud, Cirrus clouds, Fallstreaks, Mare's tail (cloud).

References

[1] https://en.wikipedia.org/wiki/Cirrus_cloud

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