Arctic Oscillation Index data

Thompson, D. W.J. ORCID: and Wallace, J. M. (1999) Arctic Oscillation Index data. Department of Atmospheric Sciences, University of Washington, Seattle, WA.

Full text not available from this repository. (Request a copy)


The University of Washington Joint Institute for the Study of the Atmosphere and Ocean (JISAO) offers an Arctic Oscillation (AO) Index dataset. The Arctic Oscillation (AO) is defined as the leading EOF of Northern Hemisphere sea-level pressure anomalies poleward of 20N, weighted by area (Thompson and Wallace, 1998). Digital values of the AO are available from Dave Thompson's anonymous ftp directory. Please send email to David ( to let him know that you have obtained data from his directory. Thank you. Dave Thompson's ftp directory is linked here. The file entitled 'AO_index.README' describes the various AO time series available on the ftp directory: More information is at: (source: Global Change Master Directory,

Item Type: Book
Uncontrolled Keywords: earth and planetary sciences(all),environmental science(all) ,/dk/atira/pure/subjectarea/asjc/1900
Faculty \ School: Faculty of Science > School of Environmental Sciences
UEA Research Groups: Faculty of Science > Research Groups > Centre for Ocean and Atmospheric Sciences
Faculty of Science > Research Groups > Climatic Research Unit
Related URLs:
Depositing User: LivePure Connector
Date Deposited: 18 Aug 2022 13:30
Last Modified: 15 Jun 2023 00:25

Actions (login required)

View Item View Item