• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer

RealClimate

Climate science from climate scientists...

  • Start here
  • Model-Observation Comparisons
  • Miscellaneous Climate Graphics
  • Surface temperature graphics
You are here: Home / Extras / Glossary / North Atlantic Oscillation (“NAO”) Oscillation Nord Atlantique (“NAO“)

North Atlantic Oscillation (“NAO”) Oscillation Nord Atlantique (“NAO“)

28 Nov 2004 by group

Measure of the strength of the westerlies across the North Atlantic. Originally defined by Sir Gilbert Walker in 1932 as the difference in pressure between Ponta Delgada on the Azores and Stykkisholmur in Iceland. More information on the NAO can be found here. See also Arctic Oscillation (“AO”).

Mesure de l’intensité des vents d’ouest traversant l’océan Nord Atlantique. Définie a l’origine par Sir Gabriel Walker en 1932 comme la différence de pression entre Ponta Delgada aux Acores et Stykkisholmur en Islande. Plus d’informations sur la NAO (‘North Atlantic Oscillation’) peuvent être trouvées ici. Voir également ‘Oscillation Arctique’.

Filed Under: Glossary

Primary Sidebar

Search

Search for:

Email Notification

get new posts sent to you automatically (free)
Loading

Recent Posts

  • Unforced Variations: Dec 2025
  • Who should pay?
  • Site updates etc.
  • Raising Climate Literacy
  • Unforced variations: Nov 2025
  • High-resolution ‘fingerprint’ images reveal a weakening Atlantic Ocean circulation (AMOC)

Our Books

Book covers
This list of books since 2005 (in reverse chronological order) that we have been involved in, accompanied by the publisher’s official description, and some comments of independent reviewers of the work.
All Books >>

Recent Comments

  • Jon Kirwan on Who should pay?
  • MA Rodger on Unforced Variations: Dec 2025
  • One Anonymous Bloke on Unforced Variations: Dec 2025
  • One Anonymous Bloke on Unforced Variations: Dec 2025
  • One Anonymous Bloke on Unforced Variations: Dec 2025
  • Nigelj on Raising Climate Literacy
  • Nigelj on Who should pay?
  • E. Schaffer on Unforced Variations: Dec 2025
  • Susan Anderson on Who should pay?
  • Susan Anderson on Unforced Variations: Dec 2025
  • Susan Anderson on Unforced Variations: Dec 2025
  • Barry E Finch on Unforced Variations: Dec 2025
  • Barry E Finch on Unforced Variations: Dec 2025
  • E. Schaffer on Unforced Variations: Dec 2025
  • David on Who should pay?
  • Barry E Finch on Unforced Variations: Dec 2025
  • David on Who should pay?
  • David on Raising Climate Literacy
  • Barton Paul Levenson on Unforced Variations: Dec 2025
  • Barton Paul Levenson on Who should pay?
  • zebra on Unforced Variations: Dec 2025
  • Atomsk’s Sanakan on Unforced variations: Nov 2025
  • Neurodivergent on Who should pay?
  • Neurodivergent on Unforced Variations: Dec 2025
  • Neurodivergent on Unforced Variations: Dec 2025
  • Neurodivergent on Who should pay?
  • Yebo Kando on Raising Climate Literacy
  • Susan Anderson on Unforced Variations: Dec 2025
  • One Anonymous Bloke on Unforced Variations: Dec 2025
  • Susan Anderson on Unforced Variations: Dec 2025

Footer

ABOUT

  • About
  • Translations
  • Privacy Policy
  • Contact Page
  • Login

DATA AND GRAPHICS

  • Data Sources
  • Model-Observation Comparisons
  • Surface temperature graphics
  • Miscellaneous Climate Graphics

INDEX

  • Acronym index
  • Index
  • Archives
  • Contributors

Realclimate Stats

1,389 posts

15 pages

248,840 comments

Copyright © 2025 · RealClimate is a commentary site on climate science by working climate scientists for the interested public and journalists.