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Integrated Kinetic Energy in North Atlantic Tropical Cyclones: Climatology, Analysis, and Seasonal Applications

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Part of the book series: Hurricane Risk ((HR,volume 1))

Abstract

Integrated Kinetic Energy (IKE) is a recently developed metric that measures the destructive potential of tropical cyclones (TCs) by integrating the square of the surface winds across these powerful storms. In this chapter, the previous literature is reviewed to provide insights on the factors that make IKE a desirable metric. IKE complements existing scales and metrics by considering a TC’s entire wind field, in lieu of just focusing on the maximum intensity of a storm. Using a dataset of six-hourly IKE estimates for two decades of North Atlantic TC activity, the climatology of IKE in individual storms is explored, with emphasis on seasonal and spatial variability. The driving mechanisms for IKE variability during the lifetime of a TC are also reviewed to determine which environmental and storm-scale features promote IKE growth. The historical record of IKE can also be aggregated to a seasonal metric, called Track Integrated Kinetic Energy (TIKE), which is shown to offer a comprehensive overview of seasonal TC activity and can be used to explore interannual TC variability over the last two to three decades.

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Acknowledgements

We thank Drs. Frank Marks, Jonathan Vigh, and the editorial staff for their very useful reviews and comments on an earlier version of this chapter. Sections of this chapter are adapted from the Ph. D. dissertation of the first author. Thanks are also due to Drs. Robert Hart, Mark Powell, Phillip Sura, Allan Clarke, Ming Ye, and Mark Bourassa for their helpful comments and feedback. This work was supported by grants from NOAA (NA12OAR4310078) USGS (USGSG13AC00408), and South Florida Water Management District (PO 039231).

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Correspondence to Michael E. Kozar .

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Kozar, M.E., Misra, V. (2019). Integrated Kinetic Energy in North Atlantic Tropical Cyclones: Climatology, Analysis, and Seasonal Applications. In: Collins, J., Walsh, K. (eds) Hurricane Risk. Hurricane Risk, vol 1. Springer, Cham. https://doi.org/10.1007/978-3-030-02402-4_3

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