Session 4 |
| Tropical/Extratropical Interactions |
| Organizer: Fabrizio Sassi, NCAR, Boulder, CO
Chair: Fabrizio Sassi, NCAR, Boulder, CO
|
| 3:30 PM | 4.1 | Influence of the equatorial QBO on the winter circulation in the Northern Hemisphere (Invited Speaker) ![wrf recording](/static/img/filetypes/16x16/wrf.gif) 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 |
| 3:55 PM | 4.2 | The influence of the equatorial upper stratosphere on the frequency of sudden stratospheric warmings (Invited Speaker) Lesley J. Gray, University of Reading, Reading, 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 ![wrf recording](/static/img/filetypes/16x16/wrf.gif) Chaim I. Garfinkel, University of Washington, Seattle, WA; and D. L. Hartmann |
| 4:35 PM | 4.4 | ENSO modulation of the QBO effects on the polar vortex in a GCM simulation ![wrf recording](/static/img/filetypes/16x16/wrf.gif) Natalia Calvo, Universidad Complutense de Madrid, 28040 Madrid, Spain; and M. A. Giorgetta, R. Garcia-Herrera, and E. Manzini |
| 4:50 PM | 4.5 | QBO variability and its effect on the extratropical circulation in a GCM ![wrf recording](/static/img/filetypes/16x16/wrf.gif) James A. Anstey, University of Toronto, Toronto, ON, Canada; and T. G. Shepherd and J. F. Scinocca |
| 5:05 PM | 4.6 | Modeling the effects of southeast asian monsoon outflow on the austral winter circulation ![wrf recording](/static/img/filetypes/16x16/wrf.gif) Marek J. Rogal, AOS Univ. of Wisconsin, Madison, WI; and M. Hitchman and I. Stajner |