A170
Extratropical Large-Scale Atmospheric Circulation Variability II

Monday, 14 December 2020: 20:30-21:30
Virtual
Primary Convener:  Pedram Hassanzadeh, Rice University, Houston, TX, United States
Conveners:  Aditi Sheshadri, Stanford University, Department of Earth System Science, Stanford, CA, United States, Paul J Kushner, University of Toronto, Physics, Toronto, ON, Canada and Ding Ma, Harvard University, Cambridge, MA, United States
Primary Liaison:  Pedram Hassanzadeh, Rice University, Houston, TX, United States
Chairs:  Aditi Sheshadri, Columbia University of New York, Palisades, NY, United States and Ding Ma, Columbia University, New York, NY, United States
OSPA Liaison:  Aditi Sheshadri, Columbia University of New York, Palisades, NY, United States
20:30
A170-01
Abrupt changes in the extratropical circulation of the atmosphere: Dynamic vs. thermodynamic regimes (Invited) (725210)
Edwin P Gerber, New York University, Courant Institute of Mathematical Sciences, New York, NY, United States, Kevin DallaSanta, NASA Goddard Institute for Space Studies, New York, NY, United States and Aman Gupta, Ludwig Maximilians University, Meteorological Institute, Munich, Germany
20:34
A170-02
Barotropic and Baroclinic Annular Modes of Variability in the Atmospheres of Mars and Titan (733419)
Joseph Michael Battalio and Juan Manuel Lora, Yale University, Department of Earth and Planetary Sciences, New Haven, CT, United States
20:38
A170-03
Local and remote Southern Hemisphere extratropical circulation responses to soil moisture anomalies in Australia (664999)
Olivia Martius, Oeschger Centre for Climate Change Research, Bern, Switzerland, Kathrin Wehrli, Institute for Atmospheric and Climate Science, Zurich, Switzerland and Marco Rohrer, Axis Capital, Zurich, Switzerland
20:42
A170-04
On Conceptual Understanding of Blocking Dynamics and Baroclinic Annular Mode (668315)
Lei Wang, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, IN, United States
20:46
A170-05
On the impact of the extratropical tropopause inversion layer on coupled troposphere-stratosphere dynamics (701829)
Lina Boljka, Colorado State University Fort Collins, Fort Collins, CO, United States and Thomas Birner, Ludwig Maximilians University of Munich, Meteorological Institute, Munich, Germany
20:50
A170-06
Persistence of the Southern annular mode on regional spatial scales (754063)
Ding Ma, Harvard University, Cambridge, MA, United States
20:54
A170-07
Recurrent Rossby wave packets and their effect on dry and wet spells (680398)
Syed Mubashshir Ali, Institute of Geography, and Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland, Olivia Martius, Oeschger Centre for Climate Change Research, Bern, Switzerland and Matthias Röthlisberger, Institute for Atmospheric and Climate Science, ETH Zürich, Zurich, Switzerland
20:58
A170-08
Wave activity budget through persistent anomalies in wintertime jet stream (677565)
Pragallva Barpanda, University of Chicago, Chicago, IL, United States and Noboru Nakamura, University of Chicago, Department of the Geophysical Sciences, Chicago, IL, United States
21:02
Discussion
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