Internal Influences on Tropical Cyclone Formation
Abstract
This report summarizes work completed since ITWC-V that contributes to an improved understanding of the internal influences on tropical cyclone (TC) formation. The report argues the importance of low-level vorticity enhancement during TC genesis due to convergence in convective regions both on the individual convective element scale and on the system scale. It is argued that large-scale processes essentially drive TC genesis. These large-scale processes set up a favorable environment, and initiate the mesoscale intensification mechanisms that construct the TC-scale vortex. It is argued that these large-scale processes, and a significant portion of the mesoscale processes, are represented in contemporary global NWP models. However, the finer detail not resolved by these models is believed to be important for a more complete understanding of intrinsic upscale growth mechanisms that can occur in rotating moist convective systems and the TC genesis process in particular. This has been the subject of much research in the past four years.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 2006
- Accession Number
- ADA594102
Entities
People
- Kevin J. Tory
- Michael T. Montgomery
Organizations
- Naval Postgraduate School