Datasets / Climate Prediction Center(CPC)Daily Arctic Oscillation Index

Climate Prediction Center(CPC)Daily Arctic Oscillation Index

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Published By National Oceanic and Atmospheric Administration, Department of Commerce

Issued over 9 years ago

US
beta

Summary

Type of release
ongoing release of a series of related datasets

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Description

The Arctic Oscillation (AO) is a leading teleconnection pattern in the Northern Hemisphere circulation. It is calculated as the first Empirical Orthogonal Function (EOF) for height anomalies poleward of 20 degrees latitude for the Northern Hemisphere. The goal of the EOF procedure is to capture the maximum amount of explained variance in the circulation fields.

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