Atlantic Meridional Mode

E572578

climate variability mode sea surface temperature pattern tropical Atlantic climate mode

The Atlantic Meridional Mode is a pattern of sea surface temperature variability in the tropical Atlantic that influences regional climate, including rainfall and wind patterns.

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All labels observed (2)

Label	Occurrences
Atlantic Meridional Mode canonical	1
Atlantic Niño	1

Statements (44)

Predicate	Object
instanceOf	climate variability mode ⓘ sea surface temperature pattern ⓘ tropical Atlantic climate mode ⓘ
affects	rainfall patterns in the tropical Atlantic region ⓘ tropical Atlantic climate ⓘ wind patterns in the tropical Atlantic region ⓘ
alsoKnownAs	AMM NERFINISHED ⓘ
category	Atlantic Ocean climate oscillation ⓘ mode of coupled ocean–atmosphere variability ⓘ
characterizedBy	north–south gradient of sea surface temperature ⓘ sea surface temperature anomalies ⓘ
drivenBy	air–sea interaction ⓘ latent heat flux anomalies ⓘ surface wind anomalies ⓘ
hasDomain	climatology ⓘ physical oceanography ⓘ
identifiedBy	leading mode of covariance between sea surface temperature and surface winds in the tropical Atlantic ⓘ
impact	Caribbean climate variability ⓘ Sahel rainfall variability ⓘ northern South America rainfall ⓘ
influences	Atlantic hurricane activity ⓘ West African rainfall ⓘ northeast Brazil rainfall ⓘ trade wind strength in the tropical Atlantic ⓘ
locatedIn	tropical Atlantic Ocean ⓘ
measurement	sea surface temperature indices ⓘ surface wind reanalysis data ⓘ
modulates	Atlantic marine ITCZ rainfall ⓘ Intertropical Convergence Zone position over the Atlantic ⓘ
phase	negative phase associated with warmer southern tropical Atlantic ⓘ positive phase associated with warmer northern tropical Atlantic ⓘ
region	0–30°N tropical Atlantic ⓘ 0–30°S tropical Atlantic ⓘ
relatedTo	Atlantic Multidecadal Variability NERFINISHED ⓘ Atlantic Niño NERFINISHED ⓘ El Niño–Southern Oscillation NERFINISHED ⓘ
scale	basin scale ⓘ
spatialPattern	meridional dipole of warm and cold sea surface temperature anomalies ⓘ
studiedBy	climate scientists ⓘ oceanographers ⓘ
timescale	decadal variability ⓘ interannual variability ⓘ
usedIn	hurricane seasonal outlooks ⓘ seasonal climate prediction for the tropical Atlantic ⓘ

Referenced by (2)

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

Intertropical Convergence Zone position → affectedBy → Atlantic Meridional Mode ⓘ

equatorial Atlantic Ocean → hasPhenomenon → Atlantic Meridional Mode ⓘ

this entity surface form: Atlantic Niño