Session 4 Tropical/Extratropical Interactions

Tuesday, 21 August 2007: 3:30 PM-5:20 PM
Multnomah (DoubleTree by Hilton Portland)
Host: 14th Conference on Middle Atmosphere
Organizer:
Fabrizio Sassi, NCAR, CGD, Boulder, CO
Chair:
Fabrizio Sassi, NCAR, CGD, Boulder, CO

Papers:
3:30 PM
4.1
Influence of the equatorial QBO on the winter circulation in the Northern Hemisphere (Invited Speaker)
Kevin Hamilton, International Pacific Research Center, School of Ocean and Earth Science and Technology, University of Hawaii, Honolulu, HI; and G. J. Boer, P. Liu, W. W. Hsieh, and G. L. Stenchikov
Recorded Presentation

3:55 PM
4.2
The influence of the equatorial upper stratosphere on the frequency of sudden stratospheric warmings (Invited Speaker)
Lesley J. Gray, Univ. of Oxford, Oxford, United Kingdom

4:20 PM
4.3
The effects of the Quasi-Biennial Oscillation and the El-Nino Southern Oscillation on polar temperatures in the stratosphere
Chaim I. Garfinkel, University of Washington, Seattle, WA; and D. L. Hartmann
Recorded Presentation

4:35 PM
4.4
ENSO modulation of the QBO effects on the polar vortex in a GCM simulation
Natalia Calvo, Univ. Complutense de Madrid, Madrid, Spain; and M. A. Giorgetta, R. Garcia-Herrera, and E. Manzini
Recorded Presentation

4:50 PM
4.5
QBO variability and its effect on the extratropical circulation in a GCM
James A. Anstey, University of Toronto, Toronto, ON, Canada; and T. G. Shepherd and J. F. Scinocca
Recorded Presentation

5:05 PM
4.6
Modeling the effects of southeast asian monsoon outflow on the austral winter circulation
Marek J. Rogal, AOS Univ. of Wisconsin, Madison, WI; and M. Hitchman and I. Stajner
Recorded Presentation

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