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grl26336-sup-0001-readme.txtplain text document1Kreadme.txt
grl26336-sup-0002-fs01.pdfPDF document882KFigure S1. Time series of annual Palmer Drought Severity Index averaged over the nothern and southern Great Plains based on observations and climate models forced by the observed global sea surface temperature variations.
grl26336-sup-0003-fs02.pdfPDF document1034KFigure S2. Spatial patterns of the observed and climate model simulated 500 mb geopotential height anomalies during the 1930s and 1950s droughts.

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