Session 13 Coupled Troposphere-Stratosphere: Climate Variability and Change

Friday, 12 June 2009: 10:20 AM-12:20 PM
Pinnacle A (Stoweflake Resort and Confernce Center)
Host: 15th Conference on Middle Atmosphere
Judith Perlwitz, CIRES/Univ. of Colorado and NOAA-ESRL, Cires, Boulder, CO
Darryn Waugh, Johns Hopkins University, Department of Earth and Planetary Sciences, Baltimore, MD

10:20 AM
Variability of predictability limits in the Northern Hemisphere stratosphere during winter
Tomoko Ichimaru, Kyushu University, Fukuoka, Japan; and T. Hirooka and H. Mukougawa

10:40 AM
Tropospheric Precursors of Anomalous Northern Hemisphere Stratospheric Polar Vortices
Chaim I. Garfinkel, University of Washington, Seattle, WA; and D. L. Hartmann and F. Sassi

11:00 AM
The atmospheric circulation response to climate change-like thermal forcings in a simple model
Amy Hawes Butler, Colorado State University, Fort Collins, CO; and D. W. J. Thompson and R. Heikes

11:20 AM
What determines the Northern Hemisphere circulation response to increasing greenhouse gases?
Michael Sigmond, Univ. of Toronto, Toronto, ON, Canada; and J. F. Scinocca

11:40 AM
The Ozone Hole and Southern Hemisphere Climate Change
Seok-woo Son, McGill University, Montreal, QC, Canada; and N. Tandon, L. M. Polvani, and D. Waugh

12:00 PM
Possible impact of a large increase of ozone depleting substances on Northern Hemisphere climate
Judith Perlwitz, CIRES/Univ. of Colorado and NOAA-ESRL, Boulder, CO; and R. L. Fogt, P. A. Newman, L. Oman, and S. Pawson

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