| Session 3A | 
|  | Tropical cyclone-trough interactions (Parallel with Sessions 3B and 3C) | 
|  | Organizer: Michael T. Montgomery, Colorado State Univ., Ft. Collins, CO 
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|  | 3:30 PM | 3A.1 | An Overview on the Impact of Interaction between Low-mid Latitude Circulation on rainfall and Tropical cyclone behavior Lianshou Chen, Chinese Academy of Meteorological Sciences, Beijing, China
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|  | 3:45 PM | 3A.2 | An observational study on the genesis of concentric eyewall hurricanes Shangyao Nong, Applied Insurance Research, Inc., Boston, MA
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|  | 4:00 PM | 3A.3 | Upper tropospheric flow transitions during rapid tropical cyclone intensification Noel E. Davidson, BMRC, Melbourne, Vic., Australia; and S. K. Kar
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|  | 4:15 PM | 3A.4 | Intensity change for Hurricane Opal (1995) in the GFDL hurricane model John Persing, Colorado State Univ., Fort Collins, CO; and M. T. Montgomery and R. E. Tuleya
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|  | 4:30 PM | 3A.5 | A comparison of favourable and unfavourable hurricane-trough interactions Deborah E. Hanley, SUNY, Albany, NY; and J. Molinari and D. Keyser
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|  | 4:45 PM | 3A.6 | Idealized modeling of hurricane-trough interaction Sytske K. Kimball, Univ. of South Alabama, Mobile, AL; and J. L. Evans
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