Variability in seasonal forecast skill of Northern Hemisphere winters over the 20th century

Seasonal hindcast experiments, using prescribed SSTs, are analysed for Northern Hemisphere winters from 1900-2010. Ensemble mean Pacific/North American index (PNA) skill varies dramatically, dropping towards zero during the mid-twentieth century, with similar variability in North Atlantic Oscillatio...

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Main Authors: O'Reilly, C, Heatley, J, MacLeod, D, Weisheimer, A, Palmer, T, Schaller, N, Woollings, T
格式: Journal article
出版: American Geophysical Union 2017