Session 12B Extratropical Transition of Tropical Cyclones I

Thursday, 19 April 2012: 10:30 AM-12:15 PM
Champions AB (Sawgrass Marriott)
Sponsor: 30th Conference on Hurricanes and Tropical Meteorology

**Indicates paper is being considered for the Max Eaton Student Prize**

Chair:
Chris Fogarty, EC, Canadian Hurricane Center, Dartmouth, NS
Papers:
  10:30 AM
Singular Vectors and Perturbation Growth Mechanisms for Barotropic Vortices in Horizontal Shear
Leonhard Scheck, Karlsruhe Institute of Technology, Karlsruhe, Germany; and S. C. Jones and V. Heuveline

  10:45 AM
  11:00 AM
The Impact of Western Pacific Tropical Cyclones on North Pacific Jet Circulations
Andrea A. Lang, SUNY, Albany, NY; and L. F. Bosart and D. Keyser

  11:15 AM
  11:30 AM
Recurving Tropical Cyclone–Extratropical Flow Interactions and their Influence on the Large-Scale Flow Pattern: A Diagnostic and Modeling Study
Heather M. Archambault, NPS, Monterey, CA; and P. A. Harr, R. W. Moore, L. F. Bosart, D. Keyser, and J. M. Cordeira

  11:45 AM
**A 40-year climatology of extratropical transition in the eastern North Pacific**
Kimberly M. Wood, Mississippi State University, Mississippi State, MS; and E. A. Ritchie

 
12B.7
Physically-based path clustering of ensemble forecasts for extratropically transitioning tropical cyclones