2015•Unpublished venueRequires access
Climate Prediction Center(CPC)Daily North Arctic Oscillation Index
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Abstract
the north atlantic oscillation nao is one of the leading teleconnection patterns in the northern hemisphere circulation it is calculated as a rotated principal component analysis rpca for height anomalies poleward of 20 degrees latitude for the northern hemisphere the goal of the rpca procedure is to capture regional scale teleconnection patterns in the circulation fields