Publication:
Tropical cyclogenesis: a numerical diagnosis based on helical flow organization

dc.contributor.authorLevina, G. V.
dc.contributor.authorMontgomery, M. T.
dc.contributor.corporateNaval Postgraduate Schoolen_US
dc.contributor.departmentDepartment of Meteorologyen_US
dc.date.accessioned2015-09-29T20:00:18Z
dc.date.available2015-09-29T20:00:18Z
dc.date.issued2014
dc.descriptionThe article of record as published may be found at http://doi:10.1088/1742-6596/544/1/012013en_US
dc.description.abstractA numerical diagnosis for tropical cyclogenesis is proposed based on near-cloud-resolving atmosphere simulation. Calculation and analyses of helical and energetic characteristics together with hydro- and thermodynamic flow fields aloe the diagnosis of tropical cyclogenesis as an event when the primary and secondary circulations become linked on systems scales thereby making the nascent large-scale vortex helical. A key process of vertical vorticity generation from horizontal components and its amplification by special convective coherent structures - Vortex Hot Towers (VHTs) - is highlighted. The process is found to be a pathway for generation of a velocity field with linked vortex lines of horizontal and vertical vorticity on local and systems scales. the role of VHTs as connectors of the primary and secondary circulation is emphasized.en_US
dc.description.funderThe work is supported by the Russian Academy of Sciences, Program of OEMMPU 12-T-1-1008, and the U.S. National Science Foundation, Grant ATM-07333808en_US
dc.description.sponsorshipThe work is supported by the Russian Academy of Sciences, Program of OEMMPU 12-T-1-1008, and the U.S. National Science Foundation, Grant ATM-07333808en_US
dc.format.extent10 p.en_US
dc.identifier.citationJournal of Physcis Conference Series 544, (2014) 012013 doi:10.1088/1742-6595/544/1/012013en_US
dc.identifier.urihttps://hdl.handle.net/10945/46723
dc.publisherIOP Publishingen_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.en_US
dc.titleTropical cyclogenesis: a numerical diagnosis based on helical flow organizationen_US
dc.typeArticleen_US
dspace.entity.typePublication
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