Daily Antarctic Oscillation Index (AAO)
Entry ID: NOAA_NWS_CPC_AAO

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Summary
Abstract: [Source: NOAA Climate Prediction Center, http://www.cpc.ncep.noaa.gov/ ]

The daily Antarctic Oscillation (AAO) index is constructed by projecting the daily (00Z) 700mb height anomalies poleward of 20S onto the loading pattern of the AAO.

The daily AAO index and its forecasts using MRF and Ensemble mean forecast data are available for the previous 120 days and they are normalized by standard deviation using 1979-2000 base period. A 3-day running mean is applied for the forecast indices.

The monthly mean AAO index is available from January 1979 to the present.
Related URL
Description: Access to AAO documentation, current graphs and data

Description: Access to AAO monthly means since 1979.
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: -20.0   S: -90.0   E: 180.0   W: -180.0
Min Altitude: 0 MB Max Altitude: 700 MB

Data Set Citation
Dataset Originator/Creator: NOAA/NWS/CPC
Dataset Title: Daily Antarctic Oscillation Index
Dataset Series Name: NOAA/NWS/CPC Indices and Forecasts
Dataset Release Date: ongoing
Dataset Release Place: Camp Springs, MD
Dataset Publisher: NOAA National Weather Service, Center for Climate Prediction
Online Resource: http://www.cpc.ncep.noaa.gov/products/precip/CWlink/daily_ao_index/...
Temporal Coverage
Start Date: 1979-01-01
Data Resolution
Temporal Resolution: monthly mean
Temporal Resolution Range: Monthly - < Annual
Instrument
RADIOSONDES Ancillary Description
Data Set Progress
IN WORK
Originating Center
Data Center
TEC Imagery Office, Topographic Engineering Center, U. S. Army Corps of Engineers,U.S. Army, U. S. Department of Defense Supplemental Info
Data Center URL: http://www.tec.army.mil/tio/

Data Center Personnel
Name: MARY PAT G. SANTORO
Phone: 703-428-6903
Fax: 703-428-8176
Email: mary-pat.g.santoro at erdc.usace.army.mil
Contact Address:
U.S. Army Topographic Engineering Center
ATTN: CEERD-TO-I
7701 Telegraph Road
City: Alexandria
Province or State: VA
Postal Code: 22315-3864
Country: USA
Personnel
Role: INVESTIGATOR
Role: DIF AUTHOR
Phone: 703-428-6903
Fax: 703-428-8176
Email: mary-pat.g.santoro at erdc.usace.army.mil
Contact Address:
U.S. Army Topographic Engineering Center
ATTN: CEERD-TO-I
7701 Telegraph Road
City: Alexandria
Province or State: VA
Postal Code: 22315-3864
Country: USA
Creation and Review Dates
DIF Creation Date: 2003-04-24
Last DIF Revision Date: 2003-08-15

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