Monthly Tropical North Atlantic Index (TNA)
Entry ID: NOAA_NWS_CPC_TNAI

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Summary
Abstract: [Source: NOAA/ESRL/PSD, http://www.esrl.noaa.gov/psd/ ]

The Tropical North Atlantic Index is Anomaly of the average of the
monthly SST from 5.5N-23.5N and 15W-57.5W. GISST and NOAA OI 1x1 datasets
are used to create the index. Climatology is 1951-2000.

Related URL
Link: GET DATA
Description: Access to monthly TNA index data since 1948


Link: VIEW PROJECT HOME PAGE
Description: All NOAA Climate Indices: Monthly Atmospheric and Ocean Time Series data.


Geographic Coverage
 N: 23.5 S: 5.5  E: -15.0  W: -57.5

Data Set Citation
Dataset Originator/Creator: NOAA/OAR/ESRL/PSD
Dataset Title: Tropical North Atlantic Index (TNA)
Dataset Series Name: NOAA Indices and Forecasts
Dataset Release Date: ongoing
Dataset Release Place: Boulder, CO, USA
Dataset Publisher: NOAA/OAR/ESRL/PSD
Online Resource: http://www.esrl.noaa.gov/psd/data/climateindices/list/#TNA


Temporal Coverage
Start Date: 1948-01-01


Location Keywords
OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN


Data Resolution
Temporal Resolution: monthly


Science Keywords
OCEANS >OCEAN TEMPERATURE >SEA SURFACE TEMPERATURE >SST    [Definition]
CLIMATE INDICATORS >ATMOSPHERIC/OCEAN INDICATORS >SEA SURFACE TEMPERATURE INDICES >TROPICAL NORTH ATLANTIC INDEX >TNA INDEX    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE


Keywords
TNA
Tropical North Atlantic Index
climate index
climate indices
SST
climate change


Data Set Progress
IN WORK


Originating Center
NOAA/NWS/CPC


Data Center
Physical Sciences Division, Earth System Research Laboratory, OAR, NOAA, U.S. Department of Commerce    [Information]
Data Center URL: http://www.esrl.noaa.gov/psd/
Dataset ID: TNA Index

Data Center Personnel
Name: ESRL/PSD DATA INQUIRIES
Email: esrl.psd.data at noaa.gov



Distribution
Distribution_Media: online www
Distribution_Format: ascii
Fees: none


Personnel
ESRL/PSD DATA INQUIRIES
Role: TECHNICAL CONTACT
Email: esrl.psd.data at noaa.gov


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


Publications/References
Enfield, D.B., A.M. Mestas, D.A. Mayer, and L. Cid-Serrano (1999), How ubiquitous is the dipole relationship in tropical Atlantic sea surface temperatures?, JGR-O, 104, 7841-7848

Creation and Review Dates
DIF Creation Date: 2005-12-13
Last DIF Revision Date: 2011-04-04

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