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Orals CL2.5/AS1.5

CL2.5/AS1.5

Atmospheric Circulation, Arctic Climate Change and Mid-latitude Weather Extremes (co-organized)
Convener: Halldór Björnsson  | Co-Conveners: Gudrun Nina Petersen , Judah Cohen , Nedjeljka Zagar 
Orals
 / Fri, 17 Apr, 08:30–12:00  / 13:30–15:00  / Room Y1
Posters
 / Attendance Thu, 16 Apr, 17:30–19:00  / Blue Posters

Friday, 17 April 2015
Room Y1
Chairperson: Halldór Björnsson
08:30–08:45
EGU2015-5732
Simulated responses of mid-latitude blocking and planetary-wave amplitude to projected Arctic sea ice loss
James Screen
08:45–09:00
EGU2015-6109
Investigation of the atmospheric mechanisms related to the autumn sea ice and winter circulation link in the Northern Hemisphere
Martin King, Momme Hell, and Noel Keenlyside
09:00–09:15
EGU2015-9729 | presentation
Changes in winter warming events in the Nordic Arctic Region
Dagrun Vikhamar-Schuler, Ketil Isaksen, Jan Erik Haugen, Jarle Werner Bjerke, and Hans Tømmervik
09:15–09:30
EGU2015-6754
Summertime atmospheric circulation response to Arctic sea ice loss in uncoupled and coupled simulations
Len Shaffrey, Ruth Petrie, and Rowan Sutton
09:30–09:45
EGU2015-5590
Tropo- and stratospheric teleconnection response to Arctic sea-ice and continental snow-cover changes
Dörthe Handorf, Ralf Jaiser, Klaus Dethloff, Annette Rinke, and Judah Cohen
09:45–10:00
EGU2015-1170
The Relationship Between Recent Arctic Amplification and Extreme Mid-Latitude Weather
Judah Cohen, James Screen, Jason Furtado, Mathew Barlow, David Whittleston, Dim Coumou, Jennifer Francis, Klaus Dethloff, Dara Entekhabi, and James Overland
Coffee Break
10:30–10:45
EGU2015-7297
Arctic sea ice melt, the Polar vortex, and mid-latitude weather: Are they connected?
Timo Vihma, James Overland, Jennifer Francis, Richard Hall, Edward Hanna, and Seong-Joong Kim
10:45–11:00
EGU2015-14344
North Atlantic explosive cyclones and large scale atmospheric variability modes
Margarida L. R. Liberato
11:00–11:15
EGU2015-7926
Impact of the winter North Atlantic Oscillation (NAO) on the Western Pacific (WP) pattern in the following winter through Arctic sea ice and ENSO
Yoshihiro Tachibana, Miki Oshika, and Tetsu Nakamura
11:15–11:30
EGU2015-10367
Characteristics of atmospheric Kelvin waves during warm and cold ENSO phases observed with GPS RO
Barbara Scherllin-Pirscher, Florian Ladstädter, Andrea Steiner, and Gottfried Kirchengast
11:30–11:45
EGU2015-5551
Non-random correlation structures and dimensionality reduction in multivariate climate data
Martin Vejmelka, Lucie Pokorná, Jaroslav Hlinka, David Hartman, Nikola Jajcay, and Milan Paluš
11:45–12:00
EGU2015-7917
The Northern Hemisphere winter stationary wave response to global warming in CMIP5
Isla Simpson, Richard Seager, Mingfang Ting, and Tiffany Shaw
Lunch Break
13:30–13:45
EGU2015-9664
Representation of blocking in an ensemble of high-resolution global atmospheric models
Reinhard Schiemann, Marie-Estelle Demory, Len C. Shaffrey, Jane Strachan, Pier Luigi Vidale, Matthew S. Mizielinski, Malcolm J. Roberts, Mio Matsueda, and Michael F. Wehner
13:45–14:00
EGU2015-14378
Energetics associated with the variabilities of the northern and southern stratospheric polar vortices
José M. Castanheira and Carlos A. F. Marques
14:00–14:15
EGU2015-7806
Quantifying barotropic and baroclinic eddy feedbacks in the persistence of the Southern Annular Mode
Yu Nie, Yang Zhang, Gang Chen, Xiu-Qun Yang, and D.Alex Burrows
14:15–14:30
EGU2015-2055
Quantifying the effect of aerosols on the Southern Annular Mode: do aerosols tip the balance?
Hamish Steptoe, Laura J Wilcox, and Ellie J Highwood
14:30–14:45
EGU2015-5770
The Contribution of Atmospheric Circulation and Coverage Bias to the Warming Hiatus
Claudio Saffioti, Erich M. Fischer, and Reto Knutti
14:45–15:00
EGU2015-11460
Recent global warming hiatus dominated by low latitude temperature trends in surface and troposphere data
Hans Gleisner, Peter Thejll, Bo Christiansen, and Johannes K. Nielsen