Datové sady / Climate Prediction Center (CPC) Monthly Pacific North American Teleconnection Pattern Index

Climate Prediction Center (CPC) Monthly Pacific North American Teleconnection Pattern Index

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Vydavatel National Oceanic and Atmospheric Administration, Department of Commerce

Datum vydání před téměř 10 roky

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Co poskytovatel nabízí?
ongoing release of a series of related datasets

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Creative Commons CCZero

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Popis

Monthly tabulated index of the Pacific/ North American teleconnection pattern. The data spans the period 1950 to present. The index is derived from a rotated principal component analysis (RPCA) of normalized 500-hPa height anomalies from the period 1950-2000. The data source is the NCEP/NCAR Reanalysis. The resulting time series is then re-normalized to coincide with the 1981-2010 base period monthly means. The index is updated monthly. Calculating the index using the RPCA approach is a somewhat complicated process, in that it is not derived independently of the other extra tropical teleconnection pattern indices.

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