Wednesday, 14 January 2009: 9:30 AM
El Niño signal in American midwest precipitation
Room 129A (Phoenix Convention Center)
A non-normal filter is used to isolate the El Nino signal in tropical south Atlantic sea surface temperatures (SSTs). In boreal fall, the resulting index is significantly anticorrelated with precipitation in the American Midwest two to three seasons later. We discuss the physical mechanisms for this strong anti-correlation.
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