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Richard Seager, Lisa Goddard, Jennifer Nakamura, Naomi Henderson, and Dong Eun Lee

/11 but that anthropogenic climate change contributed to the record-breaking high temperatures. While the 2010/11 drought and heat wave was decidedly severe, much longer droughts have occurred. The records that were broken during the event were often set in the 1930s and 1950s during two devastating multiyear droughts created by some mix of tropical Pacific and Atlantic SST variations and internal atmospheric variability and, for the 1930s Dust Bowl drought, dust aerosol forcing ( Schubert et al. 2004

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Eric F. Wood, Siegfried D. Schubert, Andrew W. Wood, Christa D. Peters-Lidard, Kingtse C. Mo, Annarita Mariotti, and Roger S. Pulwarty

predict the SST, and are there particular regions (or even ocean basins) where the large-scale atmospheric response is particularly sensitive to SST anomalies? At these time scales the unpredictable signal is typically dominated during the cold season by well-known atmospheric teleconnections (e.g., the NAO, Arctic Oscillation, and Pacific–North American patterns), while during the warm season there is now mounting evidence that large-scale planetary (Rossby) waves (also largely driven by processes

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