NAO

E926139

NAO is a large-scale atmospheric pressure pattern over the North Atlantic that strongly influences weather and climate variability in Europe, North America, and surrounding regions.

All labels observed (1)

Label Occurrences
NAO canonical 2

How this entity was disambiguated

Statements (45)

Predicate Object
instanceOf atmospheric circulation pattern
climate variability mode
abbreviation NAO
affects North Atlantic storm frequency
ocean circulation in North Atlantic
river discharge in Europe
sea ice extent in the Arctic
characterizedBy pressure difference between subtropical high and subpolar low
seesaw in atmospheric pressure
discoveredBy Sir Gilbert Walker
linked to: Gilbert Walker
firstDescribedIn early 20th century
hasCenterOfAction Azores High
Icelandic Low
hasDomain climatology
meteorology
hasPhase negative phase
positive phase
influences climate variability
precipitation patterns
storm tracks
surface pressure distribution
temperature patterns
weather variability
influencesRegion Arctic
linked to: Arctic region

Europe
Mediterranean Basin
North Africa
North America
measuredBy NAO index
NAOIndexBasedOn sea level pressure difference between Azores and Iceland
negativePhaseEffect colder winters in Northern Europe
weaker westerlies over North Atlantic
wetter conditions in Southern Europe
occursInRegion North Atlantic Ocean
linked to: North Atlantic
positivePhaseEffect drier conditions in Southern Europe
milder wetter winters in Northern Europe
stronger westerlies over North Atlantic
relatedTo Arctic Oscillation
Northern Annular Mode
linked to: Arctic Oscillation
studiedInContextOf climate change
timescale decadal variability
interannual variability
usedFor hydrological planning in North Atlantic region
risk assessment for winter storms
seasonal climate prediction in Europe

How these facts were elicited

Referenced by (2)

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

North Atlantic Oscillation abbreviation NAO
subject linked to: NAO