1983
DOI: 10.1175/1520-0493(1983)111<2194:nnmiwp>2.0.co;2
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Nonlinear Normal Mode Initialization with Physics

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Cited by 72 publications
(21 citation statements)
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“…Using the FSUGSM T170L14, three-day precipitation forecasts are then made from the regular physically initialized state, the two adaptively modified initial states and an initial state subjected to normal mode initialization (NMI; Kitade 1983). The rainfall prediction skill for the above four experiments is summarized in Fig.…”
Section: Numerical Experiments and Resultsmentioning
confidence: 99%
“…Using the FSUGSM T170L14, three-day precipitation forecasts are then made from the regular physically initialized state, the two adaptively modified initial states and an initial state subjected to normal mode initialization (NMI; Kitade 1983). The rainfall prediction skill for the above four experiments is summarized in Fig.…”
Section: Numerical Experiments and Resultsmentioning
confidence: 99%
“…7. Initialization: The initialization of the model is achieved in two stages: a) Nonlinear normal mode initialization: (Kitade 1983), wherein the tendencies of the first 5 modes with phase speed exceeding about 30 m s À1 are damped during the initialization. The slow moving higher modes are allowed to adjust freely.…”
Section: Summary and Discussionmentioning
confidence: 99%
“…The Hadley and east-west circulations over the tropics are essentially gravitational modes that are steadily maintained by the diabatic forcing. Kitade (1983) developed a nonlinear normal mode initialization scheme for the FSU spectral model and demonstrated that the inclusion of diabatic effect retains a reasonable intensity of these divergent circulations when they are compared with those determined from the uninitialized FGGE IIIb data sets. A rapid deterioration of the divergent wind has been noted in the course of integration with the global model.…”
Section: Data Sets and Analysis Of The Initial Fieldsmentioning
confidence: 99%