Hurrell North Atlantic Oscillation Index (NAO) at JISAO
Entry ID: NAO_HURRELL

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Summary
Abstract: The North Atlantic Oscillation (NAO) is based on the difference of
normalized sea level pressure (SLP) between Lisbon, Portugal and
Stykkisholmur/Reykjavik, Iceland from 1864 through 1996 for the months
December-March. This index was provided by Hurrell (1995). Seasonal
means based on these calendar months as the centers-of-action of the
NAO tend to move about or are not as well defined during the other
calendar months.

See: http://jisao.washington.edu/data_sets/nao/

The NAO data of Hurrell at the JISAO differ slightly from the Hurrell
NAO Index published online at NCAR
http://www.cgd.ucar.edu/cas/jhurrell/indices.html


See:
http://www.oceansatlas.org/servlet/CDSServlet?status=ND0xMjczNS40MDI3NCY2PWVuJjMzPXdlYi1zaXRlcyYzNz1pbmZv

for more information on the NAO Index and other online sources of NAO data.

Related URL
Link: GET DATA
Description: Hurrell North Atlantic Oscillation (NAO) Index (station-based)


Link: GET DATA
Description: Hurrell North Atlantic Oscillation (NAO) Index (PC-based)


Link: GET DATA
Description: J. Hurrell's NAO Index available from JISAO


Link: VIEW PROJECT HOME PAGE
Description: The NAO Thematic Web Site


Geographic Coverage
 N: 64.0 S: 38.0  E: -9.0  W: -22.0

Data Set Citation
Dataset Originator/Creator: Hurrell, J.W.
Dataset Title: Decadal trends in the North Atlantic Oscillation: Regional temperatures and precipitation
Dataset Series Name: Science
Dataset Release Date: 1995
Dataset Publisher: AAAS
Issue Identification: 269
Online Resource: http://jisao.washington.edu/data_sets/nao/


Temporal Coverage
Start Date: 1864-01-01
Stop Date: 1996-12-31


Location Keywords
OCEAN > ATLANTIC OCEAN
OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN


Data Resolution
Temporal Resolution: Yearly


Science Keywords
ATMOSPHERE >ATMOSPHERIC PRESSURE >DIFFERENTIAL PRESSURE    [Definition]
ATMOSPHERE >ATMOSPHERIC PRESSURE >OSCILLATIONS    [Definition]
ATMOSPHERE >ATMOSPHERIC PRESSURE >PRESSURE ANOMALIES    [Definition]
ATMOSPHERE >ATMOSPHERIC PRESSURE >SEA LEVEL PRESSURE    [Definition]
CLIMATE INDICATORS >ATMOSPHERIC/OCEAN INDICATORS >TELECONNECTIONS >NORTH ATLANTIC OSCILLATION >NAO    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE


Platform
GROUND STATIONS    [Information]


Keywords
CLIMATE INDEX
CLIMATE INDICES
CLIMATOLOGY
NAO
SLP


Data Set Progress
IN WORK


Originating Center
JISAO


Data Center
Joint Institute for the Study of the Atmosphere and Ocean, Department of Atmospheric Sciences, University of Washington    [Information]
Data Center URL: http://www.jisao.washington.edu/

Data Center Personnel
Name: TODD MITCHELL
Email: mitchell at atmos.washington.edu



Distribution
Distribution_Media: Online
Distribution_Format: ASCII
Fees: None


Personnel
JAMES W. HURRELL
Role: INVESTIGATOR
Email: jhurrell at ucar.edu


SCOTT A. RITZ
Role: DIF AUTHOR
Phone: 301-614-5126
Fax: 301-614-5268
Email: Scott.A.Ritz at nasa.gov
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: Maryland
Postal Code: 20771
Country: USA


TODD MITCHELL
Role: INVESTIGATOR
Email: mitchell at atmos.washington.edu


Publications/References
Hurrell, J. W (1995), Decadal trends in the North Atlantic Oscillation: Regional temperatures and precipitation, Science, 269, 676-679

Hurrell, J. W., (1996), Influence of variations in extratropical wintertime teleconnections on Northern Hemisphere temperatures, Geophys. Res. Lett., 23, 665-668

Hurrell, J. W., and H. van Loon (1997), Decadal variations in climate associated with the North Atlantic oscillation, Clim. Change, 36, 301-326

Creation and Review Dates
Last DIF Revision Date: 2012-09-24

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