North Atlantic High

E926703

semi-permanent high-pressure area subtropical high-pressure system

North Atlantic High is a large subtropical high-pressure system over the North Atlantic Ocean that strongly influences weather patterns in Europe, North Africa, and eastern North America.

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Observed surface forms (1)

Surface form	Occurrences
North Atlantic subtropical high	1

Statements (49)

Predicate	Object
instanceOf	semi-permanent high-pressure area ⓘ subtropical high-pressure system ⓘ
affects	Atlantic storm tracks ⓘ climate of Macaronesian islands ⓘ marine climate of the eastern United States ⓘ marine climate of western Europe ⓘ marine stratocumulus cloud decks in the eastern North Atlantic ⓘ position and strength of the jet stream over the North Atlantic ⓘ surface evaporation over the North Atlantic ⓘ trade winds over the North Atlantic ⓘ
associatedWith	clear skies ⓘ fair weather in regions under its center ⓘ light surface winds near its center ⓘ subsiding air ⓘ
characterizedBy	large horizontal extent ⓘ relatively weak horizontal pressure gradients ⓘ
climatologicalMeanPosition	subtropical eastern North Atlantic ⓘ
contributesTo	formation of trade wind inversion in subtropical North Atlantic ⓘ persistence of summer droughts in North Africa ⓘ persistence of summer droughts in parts of Europe ⓘ
drives	clockwise circulation in the Northern Hemisphere ⓘ
influences	Atlantic hurricane steering currents ⓘ ocean circulation in the North Atlantic ⓘ paths of tropical cyclones in the North Atlantic ⓘ precipitation patterns in eastern North America ⓘ precipitation patterns in the Mediterranean region ⓘ precipitation patterns in the Sahel region ⓘ precipitation patterns in western Europe ⓘ salinity distribution in the subtropical North Atlantic ⓘ sea surface temperatures in the North Atlantic ⓘ upwelling along parts of the eastern Atlantic margins ⓘ weather patterns in Europe ⓘ weather patterns in North Africa ⓘ weather patterns in eastern North America ⓘ
locatedIn	North Atlantic Ocean NERFINISHED ⓘ Northern Hemisphere ⓘ
modulatedBy	Atlantic Multidecadal Variability NERFINISHED ⓘ El Niño–Southern Oscillation NERFINISHED ⓘ North Atlantic Oscillation NERFINISHED ⓘ
partOf	subtropical high-pressure belt ⓘ
pressureRange	typically around 1020–1030 hPa at its center ⓘ
relatedTo	Azores High NERFINISHED ⓘ Bermuda High NERFINISHED ⓘ Hadley circulation NERFINISHED ⓘ
seasonalVariation	strongest in boreal summer ⓘ weaker and displaced in boreal winter ⓘ
studiedIn	climatology ⓘ physical oceanography ⓘ synoptic meteorology ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Azores High → alsoKnownAs → North Atlantic High ⓘ

North Pacific subtropical high → isAnalogOf → North Atlantic High ⓘ

this entity surface form: North Atlantic subtropical high