Observed Nonmodal Growth of the Pacific – North American Teleconnection Pattern

@inproceedings{CashObservedNG,
  title={Observed Nonmodal Growth of the Pacific – North American Teleconnection Pattern},
  author={Benjamin A. Cash and Sukyoung Lee}
}
A linear-stochastic model is applied to the 10-day low-pass streamfunction field at 300, 500, and 850 mb for 40 winter seasons of Northern Hemisphere NCEP–NCAR reanalysis data. The linear operator is derived from the observed multilevel covariances, allowing for statistical representation of nonlinear processes. While all empirical normal modes of the system are decaying, increase in the streamfunction variance is possible through nonmodal growth. When the evolution of the streamfunction field… CONTINUE READING

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