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Mesoscale convective system, the Glossary

A mesoscale convective system (MCS) is a complex of thunderstorms that becomes organized on a scale larger than the individual thunderstorms but smaller than extratropical cyclones, and normally persists for several hours or more.^[1]

87 relations: American Meteorological Society, Atlantic Oceanographic and Meteorological Laboratory, Atmospheric circulation, Atmospheric pressure, Bar (unit), Bow echo, Clockwise, Coastal flooding, Cold front, Colorado State University, Condensation, Convective storm detection, Derecho, Drought, Eccentricity (mathematics), El Niño–Southern Oscillation, Equator, European windstorm, Extratropical cyclone, Eye (cyclone), Great Lakes, Great Plains, Gulf of Mexico, Hail, Heat burst, Huracan, Hurricane Barry (2019), Indonesia, Intertropical Convergence Zone, Lake-effect snow, Latitude, Lee shore, Lightning, Line echo wave pattern, Low-pressure area, Massachusetts Institute of Technology, Meiyu front, Mesoscale convective complex, Mesoscale meteorology, Mesovortex, Monsoon trough, National Hurricane Center, National Oceanic and Atmospheric Administration, National Weather Service, Nocturnality, Nor'easter, Northern Hemisphere, Orographic lift, Polar front, Polar low, ... Expand index (37 more) »
Mesoscale meteorology

American Meteorological Society

The American Meteorological Society (AMS) is a scientific and professional organization in the United States promoting and disseminating information about the atmospheric, oceanic, and hydrologic sciences.

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Atlantic Oceanographic and Meteorological Laboratory

The Atlantic Oceanographic and Meteorological Laboratory (AOML), a federal research laboratory, is part of the National Oceanic and Atmospheric Administration's (NOAA) Office of Oceanic and Atmospheric Research (OAR), located in Miami in the United States.

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Atmospheric circulation

Atmospheric circulation is the large-scale movement of air and together with ocean circulation is the means by which thermal energy is redistributed on the surface of the Earth.

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Atmospheric pressure

Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth.

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Bar (unit)

The bar is a metric unit of pressure defined as 100,000 Pa (100 kPa), though not part of the International System of Units (SI).

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Bow echo

A bow echo is the characteristic radar return from a mesoscale convective system that is shaped like an archer's bow. Mesoscale convective system and bow echo are severe weather and convection.

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Clockwise

Two-dimensional rotation can occur in two possible directions or senses of rotation.

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Coastal flooding

Coastal flooding occurs when dry and low-lying land is submerged (flooded) by seawater.

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Cold front

A cold front is the leading edge of a cooler mass of air at ground level that replaces a warmer mass of air and lies within a pronounced surface trough of low pressure.

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Colorado State University

Colorado State University (Colorado State or CSU) is a public land-grant research university in Fort Collins, Colorado.

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Condensation

Condensation is the change of the state of matter from the gas phase into the liquid phase, and is the reverse of vaporization.

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Convective storm detection

Convective storm detection is the meteorological observation, and short-term prediction, of deep moist convection (DMC). Mesoscale convective system and Convective storm detection are severe weather and convection.

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Derecho

A derecho (from derecho, 'straight') is a widespread, long-lived, straight-line wind storm that is associated with a fast-moving group of severe thunderstorms known as a mesoscale convective system. Mesoscale convective system and derecho are severe weather and convection.

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Drought

A drought is a period of drier-than-normal conditions.

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Eccentricity (mathematics)

In mathematics, the eccentricity of a conic section is a non-negative real number that uniquely characterizes its shape.

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El Niño–Southern Oscillation

El Niño–Southern Oscillation (ENSO) is a global climate phenomenon that emerges from variations in winds and sea surface temperatures over the tropical Pacific Ocean.

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Equator

The equator is a circle of latitude that divides a spheroid, such as Earth, into the Northern and Southern hemispheres.

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European windstorm

European windstorms are powerful extratropical cyclones which form as cyclonic windstorms associated with areas of low atmospheric pressure.

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Extratropical cyclones, sometimes called mid-latitude cyclones or wave cyclones, are low-pressure areas which, along with the anticyclones of high-pressure areas, drive the weather over much of the Earth.

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Eye (cyclone)

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

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Great Lakes

The Great Lakes (Grands Lacs), also called the Great Lakes of North America, are a series of large interconnected freshwater lakes in the east-central interior of North America that connect to the Atlantic Ocean via the Saint Lawrence River.

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Great Plains

The Great Plains are a broad expanse of flatland in North America.

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Gulf of Mexico

The Gulf of Mexico (Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, mostly surrounded by the North American continent.

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Hail

Hail is a form of solid precipitation.

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Heat burst

In meteorology, a heat burst is a rare atmospheric phenomenon characterized by a sudden, localized increase in air temperature near the Earth's surface. Mesoscale convective system and heat burst are severe weather and convection.

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Huracan

Huracan (Huracán; Hunraqan, "one legged"), often referred to as U Kʼux Kaj, the "Heart of Sky", is a Kʼicheʼ Maya god of wind, storm, fire and one of the creator deities who participated in all three attempts at creating humanity.

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Hurricane Barry (2019)

Hurricane Barry was an asymmetrical Category 1 hurricane that was the wettest tropical cyclone on record in Arkansas and the fourth-wettest in Louisiana.

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Indonesia

Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans.

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Intertropical Convergence Zone

The Intertropical Convergence Zone (ITCZ, or ICZ), known by sailors as the doldrums or the calms because of its monotonous windless weather, is the area where the northeast and the southeast trade winds converge.

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Lake-effect snow

Lake-effect snow is produced during cooler atmospheric conditions when a cold air mass moves across long expanses of warmer lake water.

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Latitude

In geography, latitude is a coordinate that specifies the north–south position of a point on the surface of the Earth or another celestial body.

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Lee shore

A lee shore, sometimes also called a leeward (shore, or more commonly), is a nautical term to describe a stretch of shoreline that is to the lee side of a vessel—meaning the wind is blowing towards land.

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Lightning

Lightning is a natural phenomenon formed by electrostatic discharges through the atmosphere between two electrically charged regions, either both in the atmosphere or one in the atmosphere and one on the ground, temporarily neutralizing these in a near-instantaneous release of an average of between 200 megajoules and 7 gigajoules of energy, depending on the type. Mesoscale convective system and Lightning are mesoscale meteorology.

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Line echo wave pattern

A line echo wave pattern (LEWP) is a weather radar formation in which a single line of thunderstorms presenting multiple bow echoes forms south (or equatorward) of a mesoscale low-pressure area with a rotating "head". Mesoscale convective system and line echo wave pattern are severe weather and convection.

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Low-pressure area

In meteorology, a low-pressure area, low area or low is a region where the atmospheric pressure is lower than that of surrounding locations.

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Massachusetts Institute of Technology

The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts.

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Meiyu front

The meiyu front, also known as baiu front, is a persistent nearly stationary weak baroclinic zone in the lower troposphere. Mesoscale convective system and meiyu front are severe weather and convection.

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Mesoscale convective complex

A mesoscale convective complex (MCC) is a unique kind of mesoscale convective system which is defined by characteristics observed in infrared satellite imagery. Mesoscale convective system and mesoscale convective complex are mesoscale meteorology and severe weather and convection.

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Mesoscale meteorology

Mesoscale meteorology is the study of weather systems and processes at scales smaller than synoptic-scale systems but larger than microscale and storm-scale.

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Mesovortex

A mesovortex is a small-scale rotational feature found in a convective storm, such as a quasi-linear convective system (QLCS, i.e. squall line), a supercell, or the eyewall of a tropical cyclone. Mesoscale convective system and mesovortex are mesoscale meteorology and severe weather and convection.

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Monsoon trough

The monsoon trough is a portion of the Intertropical Convergence Zone in the Western Pacific,Bin Wang.

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National Hurricane Center

The National Hurricane Center (NHC) is the division of the United States' NOAA/National Weather Service responsible for tracking and predicting tropical weather systems between the Prime Meridian and the 140th meridian west poleward to the 30th parallel north in the northeast Pacific Ocean and the 31st parallel north in the northern Atlantic Ocean.

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National Oceanic and Atmospheric Administration

The National Oceanic and Atmospheric Administration (abbreviated as NOAA) is a US scientific and regulatory agency charged with forecasting weather, monitoring oceanic and atmospheric conditions, charting the seas, conducting deep-sea exploration, and managing fishing and protection of marine mammals and endangered species in the US exclusive economic zone.

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National Weather Service

The National Weather Service (NWS) is an agency of the United States federal government that is tasked with providing weather forecasts, warnings of hazardous weather, and other weather-related products to organizations and the public for the purposes of protection, safety, and general information.

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Nocturnality

Nocturnality is a behavior in some non-human animals characterized by being active during the night and sleeping during the day.

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Nor'easter

A nor'easter (also northeaster; see below) is a large-scale extratropical cyclone in the western North Atlantic Ocean.

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Northern Hemisphere

The Northern Hemisphere is the half of Earth that is north of the Equator.

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Orographic lift

Orographic lift occurs when an air mass is forced from a low elevation to a higher elevation as it moves over rising terrain.

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Polar front

In meteorology, the polar front is the weather front boundary between the polar cell and the Ferrel cell around the 60° latitude, near the polar regions, in both hemispheres.

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Polar low

A polar low is a mesoscale, short-lived atmospheric low pressure system (depression) that is found over the ocean areas poleward of the main polar front in both the Northern and Southern Hemispheres, as well as the Sea of Japan.

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Precipitable water

Precipitable water is the depth of water in a column of the atmosphere, if all the water in that column were precipitated as rain.

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Precipitation

In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls from clouds due to gravitational pull.

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Riverton, Wyoming

Riverton is a city in Fremont County, Wyoming, United States.

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Satellite imagery

Satellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites operated by governments and businesses around the world.

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Severe weather

Severe weather is any dangerous meteorological phenomenon with the potential to cause damage, serious social disruption, or loss of human life. Mesoscale convective system and Severe weather are severe weather and convection.

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Snowbelt

The Snowbelt, Snow Belt, Frostbelt, or Frost Belt is the region near the Great Lakes in North America where heavy snowfall in the form of lake-effect snow is particularly common.

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Solar time

Solar time is a calculation of the passage of time based on the position of the Sun in the sky.

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Southern Hemisphere

The Southern Hemisphere is the half (hemisphere) of Earth that is south of the Equator.

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Squall line

A squall line, or more accurately a quasi-linear convective system (QLCS), is a line of thunderstorms, often forming along or ahead of a cold front. Mesoscale convective system and squall line are severe weather and convection.

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Storm

A storm is any disturbed state of the natural environment or the atmosphere of an astronomical body. Mesoscale convective system and storm are severe weather and convection.

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Storm Prediction Center

The Storm Prediction Center (SPC) is a US government agency that is part of the National Centers for Environmental Prediction (NCEP), operating under the control of the National Weather Service (NWS), which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the United States Department of Commerce (DoC).

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Storm surge

A storm surge, storm flood, tidal surge, or storm tide is a coastal flood or tsunami-like phenomenon of rising water commonly associated with low-pressure weather systems, such as cyclones. Mesoscale convective system and storm surge are severe weather and convection.

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Subtropical cyclone

A subtropical cyclone is a weather system that has some characteristics of both tropical and extratropical cyclones.

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Supercell

A supercell is a thunderstorm characterized by the presence of a mesocyclone, a deep, persistently rotating updraft. Mesoscale convective system and supercell are mesoscale meteorology and severe weather and convection.

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Surface weather analysis

Surface weather analysis is a special type of weather map that provides a view of weather elements over a geographical area at a specified time based on information from ground-based weather stations.

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Susan van den Heever

Susan Claire van den Heever is a South African atmospheric scientist who is a professor at Colorado State University.

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Temperate climate

In geography, the temperate climates of Earth occur in the middle latitudes (approximately 23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth.

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Thunder

Thunder is the sound caused by lightning. Mesoscale convective system and Thunder are severe weather and convection.

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Thundersnow

Thundersnow, also known as a winter thunderstorm or a thundersnow storm, is a thunderstorm in which snow falls as the primary precipitation instead of rain.

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Thunderstorm

A thunderstorm, also known as an electrical storm or a lightning storm, is a storm characterized by the presence of lightning and its acoustic effect on the Earth's atmosphere, known as thunder. Mesoscale convective system and thunderstorm are mesoscale meteorology and severe weather and convection.

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Tornado

A tornado is a violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. Mesoscale convective system and tornado are severe weather and convection.

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Tropical cyclogenesis

Tropical cyclogenesis is the development and strengthening of a tropical cyclone in the atmosphere.

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Tropical cyclone

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

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Tropical wave

A tropical wave (also called easterly wave, tropical easterly wave, and African easterly wave), in and around the Atlantic Ocean, is a type of atmospheric trough, an elongated area of relatively low air pressure, oriented north to south, which moves from east to west across the tropics, causing areas of cloudiness and thunderstorms.

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References

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

Also known as Mesoscale banding.

, Precipitable water, Precipitation, Riverton, Wyoming, Satellite imagery, Severe weather, Snowbelt, Solar time, Southern Hemisphere, Squall line, Storm, Storm Prediction Center, Storm surge, Subtropical cyclone, Supercell, Surface weather analysis, Susan van den Heever, Temperate climate, Thunder, Thundersnow, Thunderstorm, Tornado, Tropical cyclogenesis, Tropical cyclone, Tropical wave, Tropics, Troposphere, United States rainfall climatology, University at Albany, SUNY, University Corporation for Atmospheric Research, USA Today, Wake low, Wakefield, Virginia, Warm front, Water vapor, Waterspout, Weather front, Wind shear.

Mesoscale convective system, the Glossary

Table of Contents

See also

Mesoscale meteorology

References