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Vinony

North Atlantic oscillation

noun

  1. weather phenomenon in the North Atlantic Ocean of fluctuations in the difference of atmospheric pressure at sea level between the Icelandic Low and the Azores High
L469036 on Wikidata ↗

Wiktionary

noun

  1. The difference in pressure between the Azores High and the Icelandic Low, which changes periodically and controls the strength of the Westerlies. Usually abbreviated NAO.