119 relations: Air mass, American Meteorological Society, Anticyclogenesis, Anticyclone, Atlantic Oceanographic and Meteorological Laboratory, Atmosphere of Earth, Atmospheric circulation, Atmospheric pressure, Baldwin Lonsdale, Baroclinity, Barotropic fluid, BBC, Centre for Research on the Epidemiology of Disasters, Christopher Landsea, Clockwise, Condensation, Convection, Coriolis force, Cornell University, Cumulus cloud, Cyclogenesis, Cyclone Gafilo, Cyclone Gonu, Cyclone Inigo, Cyclone Pam, Cyclone Winston, Density, Dew point, Drought, Dry line, Dust devil, European windstorm, Extratropical cyclone, Eye (cyclone), Flood, Florida State University, Fog, Force, Gas giant, Geographical pole, Global warming, Gradient, Great Dark Spot, Great Red Spot, Hail, Henry Piddington, High-pressure area, Humidity, Huracan, Hurricane Maria, ..., Hurricane Patricia, Jet stream, Latitude, List of meteorological phenomena, Low-pressure area, Mars, Mesocyclone, Mesoscale convective system, Mesoscale meteorology, Meteorology, Monthly Weather Review, NASA, National Hurricane Center, National Oceanic and Atmospheric Administration, National Snow and Ice Data Center, National Weather Association, National Weather Service, Neptune, Nor'easter, Northern Hemisphere, Occluded front, Polar front, Polar low, Polar vortex, Precipitation, Pressure-gradient force, Rain, Ross Ice Shelf, Saffir–Simpson scale, Severe weather, Small Dark Spot, Southern Hemisphere, Spiral, Squall line, Storm, Storm surge, Stratus cloud, Subtropical cyclone, Supercell, Surface weather analysis, Synoptic scale meteorology, Temperate climate, Temperature, Thunderstorm, Tornado, Trade winds, Tropical cyclogenesis, Tropical cyclone, Tropical cyclone naming, Tropical upper tropospheric trough, Tropics, Troposphere, Typhoon, Typhoon Haiyan, United States, University of Aberdeen, University of Illinois at Urbana–Champaign, USA Today, Vanuatu, Vortex, Vox (website), Warm front, Water vapor, Waterspout, Weather, Weather front, Westerlies, Wind, Wind shear. Expand index (69 more) » « Shrink index
In meteorology, an air mass is a volume of air defined by its temperature and water vapor content.
The American Meteorological Society (AMS) is the premier scientific and professional organization in the United States promoting and disseminating information about the atmospheric, oceanic, and hydrologic sciences. Its mission is to advance the atmospheric and related sciences, technologies, applications, and services for the benefit of society.
Anticyclogenesis is the development or strengthening of anticyclonic circulation in the atmosphere.
An anticyclone (that is, opposite to a cyclone) is a weather phenomenon defined by the United States National Weather Service's glossary as "a large-scale circulation of winds around a central region of high atmospheric pressure, clockwise in the Northern Hemisphere, counterclockwise in the Southern Hemisphere".
The Atlantic Oceanographic and Meteorological Laboratory (AOML), a federal research laboratory, is part of National Oceanic and Atmospheric Administration's (NOAA) Office of Oceanic and Atmospheric Research (OAR), located in Miami, Florida.
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
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.
Atmospheric pressure, sometimes also called barometric pressure, is the pressure within the atmosphere of Earth (or that of another planet).
Baldwin Jacobson Lonsdale (5 August 1948 – 17 June 2017) was a ni-Vanuatu politician and Anglican priest who served as President of Vanuatu from 22 September 2014 until his death in 2017.
In fluid dynamics, the baroclinity (often called baroclinicity) of a stratified fluid is a measure of how misaligned the gradient of pressure is from the gradient of density in a fluid.
In fluid dynamics, a barotropic fluid is a fluid whose density is a function of pressure only.
The British Broadcasting Corporation (BBC) is a British public service broadcaster.
The Centre for Research on the Epidemiology of Disasters (CRED) is a research unit of the Université catholique de Louvain (UCL).
Christopher William "Chris" Landsea (born February 4, 1965) is an American meteorologist, formerly a research meteorologist with Hurricane Research Division of Atlantic Oceanographic & Meteorological Laboratory at NOAA, and now the Science and Operations Officer at the National Hurricane Center.
Two-dimensional rotation can occur in two possible directions.
Condensation is the change of the physical state of matter from gas phase into liquid phase, and is the reverse of vapourisation.
Convection is the heat transfer due to bulk movement of molecules within fluids such as gases and liquids, including molten rock (rheid).
In physics, the Coriolis force is an inertial force that acts on objects that are in motion relative to a rotating reference frame.
Cornell University is a private and statutory Ivy League research university located in Ithaca, New York.
Cumulus clouds are clouds which have flat bases and are often described as "puffy", "cotton-like" or "fluffy" in appearance.
Cyclogenesis is the development or strengthening of cyclonic circulation in the atmosphere (a low-pressure area).
Very Intense Tropical Cyclone Gafilo (also known as Cyclone Gafilo) was the most intense tropical cyclone ever recorded in the South-West Indian Ocean and the most intense tropical cyclone worldwide in 2004.
Super Cyclonic Storm Gonu (also simply known as Cyclone Gonu) is the strongest tropical cyclone on record in the Arabian Sea, and is also the strongest named cyclone in the northern Indian Ocean.
Cyclone Inigo was tied with Cyclone Gwenda for being the most intense recorded cyclone in the Australian region in terms of pressure.
Severe Tropical Cyclone Pam was the second most intense tropical cyclone of the south Pacific Ocean in terms of sustained winds and is regarded as one of the worst natural disasters in the history of Vanuatu.
Severe Tropical Cyclone Winston was the most intense tropical cyclone in the Southern Hemisphere on record, as well as the strongest to make landfall in the Southern Hemisphere.
The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.
The dew point is the temperature to which air must be cooled to become saturated with water vapor.
A drought is a period of below-average precipitation in a given region, resulting in prolonged shortages in the water supply, whether atmospheric, surface water or ground water.
A dry line (also called a dew point line, or Marfa front, after Marfa, Texas) is an imaginary line across a continent that separates moist air from an eastern body of water and dry desert air from the west.
A dust devil is a strong, well-formed, and relatively long-lived whirlwind, ranging from small (half a metre wide and a few metres tall) to large (more than 10 metres wide and more than 1000 metres tall).
European windstorms are the strongest extratropical cyclones which occur across the continent of Europe.
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.
The eye is a region of mostly calm weather at the center of strong tropical cyclones.
A flood is an overflow of water that submerges land that is usually dry.
Florida State University (Florida State or FSU) is a public space-grant and sea-grant research university with its primary campus on a campus in Tallahassee, Florida.
Fog is a visible aerosol consisting of minute water droplets or ice crystals suspended in the air at or near the Earth's surface.
In physics, a force is any interaction that, when unopposed, will change the motion of an object.
A gas giant is a giant planet composed mainly of hydrogen and helium.
A geographical pole is either of the two points on a rotating body (planet, dwarf planet, natural satellite, sphere...etc) where its axis of rotation intersects its surface.
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.
In mathematics, the gradient is a multi-variable generalization of the derivative.
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.
The Great Red Spot is a persistent high-pressure region in the atmosphere of Jupiter, producing an anticyclonic storm 22° south of the planet's equator.
Hail is a form of solid precipitation.
Henry Piddington (7 January 1797 – 7 April 1858) was an English merchant captain who sailed in East India and China and later settled in Bengal where he worked as a curator of a geological museum and worked on scientific problems, and is particularly well known for his pioneering studies in meteorology of tropical storms and hurricanes.
A high-pressure area, high or anticyclone is a region where the atmospheric pressure at the surface of the planet is greater than its surrounding environment.
Humidity is the amount of water vapor present in the air.
Huracan (Huracán; Hunraqan, "one legged"), often referred to as U K'ux Kaj, the "Heart of Sky", is a K'iche' Maya god of wind, storm, fire and one of the creator deities who participated in all three attempts at creating humanity.
Hurricane Maria is regarded as being the worst natural disaster on record to affect Dominica and Puerto Rico.
Hurricane Patricia was the second-most intense tropical cyclone on record worldwide, behind Typhoon Tip in 1979, with a minimum atmospheric pressure of 872 mbar (hPa; 25.75 inHg).
Jet streams are fast flowing, narrow, meandering air currents in the atmospheres of some planets, including Earth.
In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earth's surface.
A meteorological phenomenon is a weather event that can be explained by the principles of meteorology.
A low-pressure area, low, or depression, is a region on the topographic map where the atmospheric pressure is lower than that of surrounding locations.
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.
A mesocyclone is a vortex of air within a convective storm.
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.
Mesoscale meteorology is the study of weather systems smaller than synoptic scale systems but larger than microscale and storm-scale cumulus systems.
Meteorology is a branch of the atmospheric sciences which includes atmospheric chemistry and atmospheric physics, with a major focus on weather forecasting.
The Monthly Weather Review is a peer-reviewed scientific journal published by the American Meteorological Society.
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.
The National Hurricane Center (NHC) is the division of the United States' National Weather Service responsible for tracking and predicting weather systems within the tropics 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.
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.
The National Snow and Ice Data Center, or NSIDC, is a United States information and referral center in support of polar and cryospheric research.
The National Weather Association (NWA), founded in 1975, is an American professional association with a mission to support and promote excellence in operational meteorology and related activities.
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.
Neptune is the eighth and farthest known planet from the Sun in the Solar System.
A nor'easter (also northeaster; see below) is a macro-scale cyclone.
The Northern Hemisphere is the half of Earth that is north of the Equator.
In meteorology, an occluded front is a weather front formed during the process of cyclogenesis when a cold front overtakes a warm front.
In meteorology, the polar front is the boundary between the polar cell and the Ferrel cell around the 60° latitude in each hemisphere.
A polar low is a small-scale, 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.
A polar vortex is an upper level low-pressure area lying near the Earth's poles.
In meteorology, precipitation is any product of the condensation of atmospheric water vapor that falls under gravity.
The pressure-gradient force is the force which results when there is a difference in pressure across a surface.
Rain is liquid water in the form of droplets that have condensed from atmospheric water vapor and then becomes heavy enough to fall under gravity.
The Ross Ice Shelf is the largest ice shelf of Antarctica (as of 2013 an area of roughly and about across: about the size of France).
The Saffir–Simpson hurricane wind scale (SSHWS), formerly the Saffir–Simpson hurricane scale (SSHS), classifies hurricanesWestern Hemisphere tropical cyclones that exceed the intensities of tropical depressions and tropical stormsinto five categories distinguished by the intensities of their sustained winds.
Severe weather refers to any dangerous meteorological phenomena with the potential to cause damage, serious social disruption, or loss of human life.
The Small Dark Spot, sometimes also called Dark Spot 2 or The Wizard's Eye, was a southern cyclonic storm on the planet Neptune.
The Southern Hemisphere is the half of Earth that is south of the Equator.
In mathematics, a spiral is a curve which emanates from a point, moving farther away as it revolves around the point.
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.
A storm is any disturbed state of an environment or in an astronomical body's atmosphere especially affecting its surface, and strongly implying severe weather.
A storm surge, storm flood or storm tide is a coastal flood or tsunami-like phenomenon of rising water commonly associated with low pressure weather systems (such as tropical cyclones and strong extratropical cyclones), the severity of which is affected by the shallowness and orientation of the water body relative to storm path, as well as the timing of tides.
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.
A subtropical cyclone is a weather system that has some characteristics of a tropical and an extratropical cyclone.
A supercell is a thunderstorm characterized by the presence of a mesocyclone: a deep, persistently rotating updraft.
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.
The synoptic scale in meteorology (also known as large scale or cyclonic scale) is a horizontal length scale of the order of 1000 kilometers (about 620 miles) or more.
In geography, the temperate or tepid climates of Earth occur in the middle latitudes, which span between the tropics and the polar regions of Earth.
Temperature is a physical quantity expressing hot and cold.
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.
A tornado is a rapidly 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.
The trade winds are the prevailing pattern of easterly surface winds found in the tropics, within the lower portion of the Earth's atmosphere, in the lower section of the troposphere near the Earth's equator.
Tropical cyclogenesis is the development and strengthening of a tropical cyclone in the atmosphere.
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.
Tropical cyclones and subtropical cyclones are named by various warning centers to provide ease of communication between forecasters and the general public regarding forecasts, watches, and warnings.
A tropical upper tropospheric trough (TUTT), also known as the mid-oceanic trough,or commonly called as Western Hemisphere or "upper cold low" is a trough situated in upper-level (at about 200 hPa) tropics.
The tropics are a region of the Earth surrounding the Equator.
The troposphere is the lowest layer of Earth's atmosphere, and is also where nearly all weather conditions take place.
A typhoon is a mature tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere.
Typhoon Haiyan, known as Super Typhoon Yolanda in the Philippines, was one of the strongest tropical cyclones ever recorded.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
The University of Aberdeen is a public research university in Aberdeen, Scotland.
The University of Illinois Urbana–Champaign (also known as U of I, Illinois, or colloquially as the University of Illinois or UIUC) is a public research university in the U.S. state of Illinois and the flagship institution of the University of Illinois System.
USA Today is an internationally distributed American daily, middle-market newspaper that serves as the flagship publication of its owner, the Gannett Company.
Vanuatu (or; Bislama, French), officially the Republic of Vanuatu (République de Vanuatu, Bislama: Ripablik blong Vanuatu), is a Pacific island nation located in the South Pacific Ocean.
In fluid dynamics, a vortex (plural vortices/vortexes) is a region in a fluid in which the flow revolves around an axis line, which may be straight or curved.
Vox is an American news and opinion website owned by Vox Media.
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.
A waterspout is an intense columnar vortex (usually appearing as a funnel-shaped cloud) that occurs over a body of water.
Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy.
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.
The westerlies, anti-trades, or prevailing westerlies, are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude.
Wind is the flow of gases on a large scale.
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.