Many observed climate
anomalies can be simulated in
models with specified SSTs
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Sahel drought:
Hurrell et al 2004,
Giannini et al 2003, Hoerling,
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US Dust Bowl:
Schubert et al. 2004, Seager et al. 2005
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Drought (US, Europe, Asia):
Hoerling and Kumar 2003
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But we can not (yet) simulate the observed
SSTs.