ISSN 1006-8775CN 44-1409/P

SENSITIVITY OF LANDFALLING TYPHOON STRUCTURE AND PRECIPITATION TO VARYING CLOUD MICROPHYSICAL PROCESSES


DOI: 10.16555/j.1006-8775.2016.03.008
  • Revised Date: 05 May, 2016
  • Typhoon KROSA in 2007 is simulated using GRAPES, a mesoscale numerical model, in which a two-parameter mixed-phase microphysics scheme is implanted. A series of numerical experiments are designed to test the sensitivity of landfalling typhoon structure and precipitation to varying cloud microphysics and latent heat release. It is found that typhoon track is sensitive to different microphysical processes and latent heat release. The cloud structures of simulated cyclones can be quite different with that of varying microphysical processes. Graupel particles play an important role in the formation of local heavy rainfall and the maintenance of spiral rainbands. Analysis reveals that the feedback of latent heat to dynamic fields can significantly change the content and distribution of cloud hydrometeors, thus having an impact on surface precipitation.

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HUA Cong, LIU Qi-jun. SENSITIVITY OF LANDFALLING TYPHOON STRUCTURE AND PRECIPITATION TO VARYING CLOUD MICROPHYSICAL PROCESSES[J]. Journal of Tropical Meteorology, 2016, 22(3): 341-351. DOI: 10.16555/j.1006-8775.2016.03.008
HUA Cong, LIU Qi-jun. SENSITIVITY OF LANDFALLING TYPHOON STRUCTURE AND PRECIPITATION TO VARYING CLOUD MICROPHYSICAL PROCESSES[J]. Journal of Tropical Meteorology, 2016, 22(3): 341-351. DOI: 10.16555/j.1006-8775.2016.03.008
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  • Manuscript revised: 05 May, 2016

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