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North Atlantic oscillation

Index North Atlantic oscillation

The North Atlantic Oscillation (NAO) is a weather phenomenon in the North Atlantic Ocean of fluctuations in the difference of atmospheric pressure at sea level (SLP) between the Icelandic low and the Azores high. [1]

63 relations: Antarctic oscillation, Anticyclone, Arctic dipole anomaly, Arctic oscillation, Atlantic hurricane, Atlantic multidecadal oscillation, Atlantic Ocean, Azores, Azores High, BBC News Online, Block (meteorology), Canada, Chionoecetes, Cod, Cod fishing in Newfoundland, East Coast of the United States, El Niño, El Niño–Southern Oscillation, Empirical orthogonal functions, Europe, Georges Bank, Gibraltar, Global warming, Greenland, Gulf of Maine, Gulf of Mexico, Heat wave, Ice–albedo feedback, Iceland, Icelandic Low, Labrador Sea, Lamont–Doherty Earth Observatory, Latitude of the Gulf Stream and the Gulf Stream north wall index, Lisbon, Mediterranean Sea, Met Office, National Center for Atmospheric Research, North Africa, North Atlantic Current, North Atlantic Gyre, North Sea, Northeastern United States, Numerical weather prediction, Pacific decadal oscillation, Pacific Ocean, Pacific–North American teleconnection pattern, Paleotempestology, Ponta Delgada, Quasi-biennial oscillation, Rain, ..., Reykjavík, Salinity, Soay sheep, Storm, Stykkishólmur, Tehuantepecer, Tropical cyclone, United Kingdom, Upwelling, Westerlies, Wind, Winter of 2009–10 in Europe, Winter of 2010–11 in Europe. Expand index (13 more) »

Antarctic oscillation

The Antarctic oscillation (AAO, to distinguish it from the Arctic oscillation or AO) is a low-frequency mode of atmospheric variability of the southern hemisphere.

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Anticyclone

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".

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Arctic dipole anomaly

The Arctic dipole anomaly is a pressure pattern characterized by high pressure on the arctic regions of North America and low pressure on those of Eurasia.

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Arctic oscillation

The Arctic oscillation (AO) or Northern Annular Mode/Northern Hemisphere Annular Mode (NAM) is a weather phenomenon at the Arctic and Antarctic poles north (or south) of 20 degrees latitude.

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Atlantic hurricane

An Atlantic hurricane or tropical storm is a tropical cyclone that forms in the Atlantic Ocean, usually in the summer or fall.

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Atlantic multidecadal oscillation

The Atlantic Multidecadal Oscillation (AMO) is a climate cycle that affects the sea surface temperature (SST) of the North Atlantic Ocean based on different modes on multidecadal timescales.

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Atlantic Ocean

The Atlantic Ocean is the second largest of the world's oceans with a total area of about.

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Azores

The Azores (or; Açores), officially the Autonomous Region of the Azores (Região Autónoma dos Açores), is one of the two autonomous regions of Portugal.

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Azores High

The Azores High (Anticiclone dos Açores) also known as North Atlantic (Subtropical) High/Anticyclone or the Bermuda-Azores High, is a large subtropical semi-permanent centre of high atmospheric pressure typically found south of the Azores in the Atlantic Ocean, at the Horse latitudes.

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BBC News Online

BBC News Online is the website of BBC News, the division of the BBC responsible for newsgathering and production.

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Block (meteorology)

Blocks in meteorology are large-scale patterns in the atmospheric pressure field that are nearly stationary, effectively “blocking” or redirecting migratory cyclones.

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Canada

Canada is a country located in the northern part of North America.

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Chionoecetes

Chionoecetes is a genus of crabs that live in the northern Pacific and Atlantic Oceans.

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Cod

Cod is the common name for the demersal fish genus Gadus, belonging to the family Gadidae.

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Cod fishing in Newfoundland

Cod fishing in Newfoundland was carried out at a subsistence level for centuries, but large scale fishing began shortly after the European discovery of the North American continent in 1492, with the waters being found to be preternaturally plentiful, and ended after intense overfishing with the collapse of the fisheries in 1992.

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East Coast of the United States

The East Coast of the United States is the coastline along which the Eastern United States meets the North Atlantic Ocean.

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El Niño

El Niño is the warm phase of the El Niño Southern Oscillation (commonly called ENSO) and is associated with a band of warm ocean water that develops in the central and east-central equatorial Pacific (between approximately the International Date Line and 120°W), including off the Pacific coast of South America.

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El Niño–Southern Oscillation

El Niño–Southern Oscillation (ENSO) is an irregularly periodic variation in winds and sea surface temperatures over the tropical eastern Pacific Ocean, affecting climate of much of the tropics and subtropics.

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Empirical orthogonal functions

In statistics and signal processing, the method of empirical orthogonal function (EOF) analysis is a decomposition of a signal or data set in terms of orthogonal basis functions which are determined from the data.

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Europe

Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere.

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Georges Bank

Georges Bank (formerly known as St. Georges Bank) is a large elevated area of the sea floor between Cape Cod, Massachusetts (United States), and Cape Sable Island, Nova Scotia (Canada).

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Gibraltar

Gibraltar is a British Overseas Territory located at the southern tip of the Iberian Peninsula.

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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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Greenland

Greenland (Kalaallit Nunaat,; Grønland) is an autonomous constituent country within the Kingdom of Denmark between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago.

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Gulf of Maine

The Gulf of Maine (Golfe du Maine) is a large gulf of the Atlantic Ocean on the east coast of 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, largely surrounded by the North American continent.

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Heat wave

A heat wave is a period of excessively hot weather, which may be accompanied by high humidity, especially in oceanic climate countries.

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Ice–albedo feedback

Ice–albedo feedback is a positive feedback climate process where a change in the area of ice caps, glaciers, and sea ice alters the albedo.

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Iceland

Iceland is a Nordic island country in the North Atlantic, with a population of and an area of, making it the most sparsely populated country in Europe.

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Icelandic Low

The Icelandic Low is a semi-permanent centre of low atmospheric pressure found between Iceland and southern Greenland and extending in the Northern Hemisphere winter into the Barents Sea.

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Labrador Sea

The Labrador Sea (French: mer du Labrador, Danish: Labradorhavet) is an arm of the North Atlantic Ocean between the Labrador Peninsula and Greenland.

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Lamont–Doherty Earth Observatory

The Lamont–Doherty Earth Observatory (LDEO) is a research unit of Columbia University located on a campus in Palisades, N.Y., north of Manhattan on the Hudson River.

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Latitude of the Gulf Stream and the Gulf Stream north wall index

The Gulf Stream separates from the US coast near Cape Hatteras (35°N, 75°W) and then travels eastwards across the North Atlantic, becoming the North Atlantic current at about 55°W.

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Lisbon

Lisbon (Lisboa) is the capital and the largest city of Portugal, with an estimated population of 552,700, Census 2011 results according to the 2013 administrative division of Portugal within its administrative limits in an area of 100.05 km2.

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Mediterranean Sea

The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant.

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Met Office

The Met Office (officially the Meteorological Office) is the United Kingdom's national weather service.

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National Center for Atmospheric Research

The US National Center for Atmospheric Research (NCAR) is a US federally funded research and development center (FFRDC) managed by the nonprofit University Corporation for Atmospheric Research (UCAR) and funded by the National Science Foundation (NSF).

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North Africa

North Africa is a collective term for a group of Mediterranean countries and territories situated in the northern-most region of the African continent.

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North Atlantic Current

The North Atlantic Current (NAC), also known as North Atlantic Drift and North Atlantic Sea Movement, is a powerful warm western boundary current that extends the Gulf Stream north-eastward.

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North Atlantic Gyre

The North Atlantic Gyre, located in the Atlantic Ocean, is one of the five major oceanic gyres.

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North Sea

The North Sea (Mare Germanicum) is a marginal sea of the Atlantic Ocean located between Great Britain, Scandinavia, Germany, the Netherlands, Belgium, and France.

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Northeastern United States

The Northeastern United States, also referred to as the American Northeast or simply the Northeast, is a geographical region of the United States bordered to the north by Canada, to the east by the Atlantic Ocean, to the south by the Southern United States, and to the west by the Midwestern United States.

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Numerical weather prediction

Numerical weather prediction (NWP) uses mathematical models of the atmosphere and oceans to predict the weather based on current weather conditions.

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Pacific decadal oscillation

The Pacific Decadal Oscillation (PDO) is a robust, recurring pattern of ocean-atmosphere climate variability centered over the mid-latitude Pacific basin.

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Pacific Ocean

The Pacific Ocean is the largest and deepest of Earth's oceanic divisions.

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Pacific–North American teleconnection pattern

The Pacific–North American teleconnection pattern (PNA) is a climatological term for a large-scale weather pattern with two modes, denoted positive and negative, and which relates the atmospheric circulation pattern over the North Pacific Ocean with the one over the North American continent.

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Paleotempestology

Paleotempestology is the study of past tropical cyclone activity by means of geological proxies as well as historical documentary records.

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Ponta Delgada

Ponta Delgada is the largest municipality (concelho) and administrative capital of the Autonomous Region of the Azores in Portugal.

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Quasi-biennial oscillation

The quasi-biennial oscillation (QBO) is a quasiperiodic oscillation of the equatorial zonal wind between easterlies and westerlies in the tropical stratosphere with a mean period of 28 to 29 months.

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Rain

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.

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Reykjavík

Reykjavík is the capital and largest city of Iceland.

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Salinity

Salinity is the saltiness or amount of salt dissolved in a body of water (see also soil salinity).

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Soay sheep

The Soay sheep is a breed of domestic sheep (Ovis aries) descended from a population of feral sheep on the island of Soay in the St Kilda Archipelago, about from the Western Isles of Scotland.

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Storm

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.

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Stykkishólmur

Stykkishólmur is a town and municipality situated in the western part of Iceland, in the northern part of the Snæfellsnes peninsula.

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Tehuantepecer

Tehuantepecer, or Tehuano wind, is a violent mountain-gap wind traveling through Chivela Pass, most common between October and February, with a summer minimum in July.

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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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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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Upwelling

Upwelling is an oceanographic phenomenon that involves wind-driven motion of dense, cooler, and usually nutrient-rich water towards the ocean surface, replacing the warmer, usually nutrient-depleted surface water.

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Westerlies

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.

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Wind

Wind is the flow of gases on a large scale.

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Winter of 2009–10 in Europe

The winter of 2009–2010 in Europe was unusually cold.

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Winter of 2010–11 in Europe

The winter of 2010–2011 in Europe began with an unusually cold November caused by a cold weather cycle that started in southern Scandinavia and subsequently moved south and west over both Belgium and the Netherlands on 25 November and into the west of Scotland and north east England on 26 November.

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Redirects here:

North Atlantic Oscillation, North atlantic oscillation.

References

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

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