Operational Application of a Tropical Cyclone Recurvature/Non-Recurvature Study Based on 200 MB Wind Fields.
Technical note 1974-1976,
FLEET WEATHER CENTRAL/JOINT TYPHOON WARNING CENTER FPO SAN FRANCISCO 96630
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In his paper, Tropical Cyclone Motion and Surrounding Parameter Relationships, John E. George demonstrates the relationship between various 200 mb wind fields and recurvaturenon-recurvature. Evaluation of the wind fields with data independent of Georges study indicated that significant modification of his study was required to produce an operationally applicable recurvaturenon-recurvature study. Synoptic analysis revealed two distinct environments affecting tropical cyclones, a Winter Regime and a Summer Regime. All tropical cyclones were stratified accordingly. By integrating the results of the evaluation with results from rigorous synoptic and statistical analyses, operationally applicable recurvaturenon-recurvature techniques were developed for, both, Winter Regime and the Summer Regime tropical cyclones. Author