Menu


Find the EGU on

Follow us on Twitter Find us on Facebook Find us on Google+ Find us on LinkedIn Find us on YouTube

Orals AS1.15

AS1.15

Dynamical coupling between the stratosphere and the troposphere
Convener: Thomas Reichler  | Co-Conveners: Bo Christiansen , Seok-Woo Son 
Orals
 / Wed, 30 Apr, 13:30–17:00  / Room B15
Posters
 / Attendance Wed, 30 Apr, 17:30–19:00  / Yellow Posters
<table class="mo_scheduling_string" style="border-collapse: collapse; clear:left;"><tr><td style="vertical-align: top;"><span class="apl_addon_standard_action_link" style="text-decoration: none;">Poster Summaries & Discussions</span>:&nbsp;<a href="https://meetingorganizer.copernicus.org/EGU2014/session/16521" target="_blank" title="Open PSD14.5 Details" style="clear:left;">PSD14.5</a> &nbsp;/ <span class="mo_scheduling_string_time">Wed, 30 Apr, 08:30</span><span class="mo_scheduling_string_time">&ndash;09:15</span> &nbsp;/ <span class="mo_scheduling_string_place" title=""></span> &nbsp;</td></tr></table>

Wednesday, 30 Apr 2014
Room B15
Chairperson: Reichler
Stratospheric Sudden Warmings and Tropospheric Impacts

13:30–13:45
EGU2014-5031
Dynamics of 2009 Stratospheric Major Warming and its Impact on Composition of Stratosphere
Mengchu Tao, Paul Konopka, Felix Ploeger, Yi Liu, Jens-Uwe Grooß, and Rolf Müller
13:45–14:00
EGU2014-10118
Potential Impacts of Stratospheric Observations on Weather Forecasts
Christopher Lee, Andrew Charlton-Perez, and R Giles Harrison
14:00–14:15
EGU2014-1650 | presentation | presentation
Assessing predictability over the North Atlantic / Europe arising from stratosphere - troposphere coupling in a seasonal prediction system
Daniela Domeisen, Amy Butler, Kristina Fröhlich, Wolfgang Müller, and Johanna Baehr
14:15–14:30
EGU2014-479
Differing tropospheric responses to stratospheric vortex splits and displacements in a global circulation model
Amee O'Callaghan, Manoj Joshi, David Stevens, and Daniel Mitchell
14:30–14:45
EGU2014-13378
The surface impact of stratospheric sudden warmings in a 1000 year control simulation: sensitivity to event definition and type
Amanda Maycock
14:45–15:00
EGU2014-1311
The Effect of Tropospheric Jet Latitude on Rossby Wave Breaking and on Coupling between the Stratospheric Polar Vortex and the Troposphere
Chaim Garfinkel, Darryn Waugh, and Edwin Gerber
Coffee Break
Tropospheric Waves and Stratospheric Impacts

15:30–15:45
EGU2014-4399
Standing wave contributions to the linear interference effect in stratosphere-troposphere coupling
Oliver Watt-Meyer and Paul Kushner
15:45–16:00
EGU2014-2617
Sensitivity of the Quasi-Biennial Oscillation to different gravity wave parameterizations in a changing climate
Sebastian Schirber, Elisa Manzini, and Thomas Krismer
16:00–16:15
EGU2014-13477
Idealized Simulations of the Quasi-Biennial Oscillation and Sudden Stratospheric Warmings with an Ensemble of Dry GCM Dynamical Cores
Christiane Jablonowski and Weiye Yao
16:15–16:30
EGU2014-4985
Kelvin and Rossby gravity wave packets in the lower stratosphere of CMIP5 models
Francois Lott, Sebastien Denvil, Neal Butchart, Chiara Cagnazzo, Marco Giorgetta, Steven Hardiman, Elisa Manzini, Thomas Krismer, Jean-Philippe Duvel, Pauline Maury, John Scinocca, Shingo Watanabe, and Seiji Yukimoto
16:30–16:45
EGU2014-8071
Wave-meanflow interactions forcing the Quasi-Biennial Oscillation
Thomas Krismer and Marco Giorgetta
16:45–17:00
EGU2014-10434
Impact of planetary wave reflection on blocking formation and cold spells over Eurasia in December 2012
Kunihiko Kodera, Hitoshi Mukougawa, and Manabu Ueda