A52A:
Extratropical and High-Latitude Storms, Teleconnections, Extreme Weather, and the Changing Polar Climate II

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Session ID#: 16200

Session Description:
Synoptic storms and large-scale teleconnections are prominent features characterizing daily-to-decadal climate variability in the extratropics and high-latitudes. Storms often bring extreme weather, including high-wind events, large ocean waves and surges, coastal flooding and erosion, as well as rapid temperature changes. Teleconnection patterns play modulating roles in storm activity, linking polar and midlatitude climate. In addition, the tropics has been recognized as an important source for triggering teleconnections, and may also be subject to impacts of polar climate changes. Storms and teleconnections have demonstrated systematic variations, leading to alterations of feedback processes and, in turn, contributing to climate variability and change. This session will provide a venue to present progress and new ideas on extratropical and high-latitude storm activity, tropical or extratropical teleconnections with the polar regions, and associated physical feedback processes in the context of the changing polar climate, as well as resulting extreme weather events, ecosystem- and societal impacts.
Primary Convener:  Xiangdong Zhang, University of Alaska Fairbanks, Fairbanks, AK, United States
Conveners:  Xiangdong Zhang, University of Alaska Fairbanks, Fairbanks, AK, United States, Kent Moore, University of Toronto, Chemical & Physical Sciences, Toronto, ON, Canada and James E Overland, NOAA Seattle, Seattle, WA, United States
Chairs:  Xiangdong Zhang, University of Alaska Fairbanks, Fairbanks, AK, United States, Kent Moore, University of Toronto, Chemical & Physical Sciences, Toronto, ON, Canada and James E Overland, NOAA Seattle, Seattle, WA, United States
OSPA Liaison:  Kent Moore, University of Toronto, Chemical & Physical Sciences, Toronto, ON, Canada
Co-Organized with:
Ocean Sciences, Global Environmental Change, Ocean Sciences, Hydrology, and Cryosphere

Cross-Listed:
  • C - Cryosphere
  • GC - Global Environmental Change
  • H - Hydrology
  • OS - Ocean Sciences

Proposed Co-Organized Session with:
  • C - Cryosphere
  • GC - Global Environmental Change
  • H - Hydrology
  • OS - Ocean Sciences
Index Terms:

1621 Cryospheric change [GLOBAL CHANGE]
3305 Climate change and variability [ATMOSPHERIC PROCESSES]
3339 Ocean/atmosphere interactions [ATMOSPHERIC PROCESSES]
3364 Synoptic-scale meteorology [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

The role of tropo-stratospheric coupling for Arctic-midlatitude linkages (Invited) (119645)
Klaus Dethloff1, Ralf Jaiser2, Doerthe Handorf2, Berit Crasemann1, Tetsu Nakamura3, Jinro Ukita4, Koji Yamazaki5 and Meiji Honda4, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Potsdam, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, (3)Hokkaido University, Faculty of Environmental Earth Science, Sapporo, Japan, (4)Niigata University, Niigata, Japan, (5)Hokkaido University, Sapporo, Japan
Taking the Chill off: Future Arctic Sea-Ice Loss Reduces Severity of Cold Air Outbreaks in Mid-Latitudes (131188)
Blanca Ayarzagüena, University of Exeter, Exeter, EX4, United Kingdom and James Screen, University of Exeter, Exeter, United Kingdom
It Takes Two to Tango: Arctic Influence on Mid-Latitude Weather is State-Dependent (134788)
Jennifer Ann Francis, Rutgers University, New Brunswick, NJ, United States, Stephen J Vavrus, University of Wisconsin Madison, Madison, WI, United States and Judah Levi Cohen, Atmospheric and Environmental Research Lexington, Lexington, MA, United States
The Effect of SST and NAO on Recent Changes in the Location and Intensity of the North Atlantic Storm Track (147119)
Elina Valkonen1,2, Timo P Vihma2, Petteri Uotila2 and Victoria Anne Sinclair1, (1)University of Helsinki, Helsinki, Finland, (2)Finnish Meteorological Institute, Helsinki, Finland
Synchronization of the Pacific and Atlantic Blobs via an Atmospheric Conductor Pattern (160484)
Yu-Chiao Liang1, Jin-Yi Yu2, Eric S Saltzman2 and Fan Wang3, (1)Woods Hole Oceanographic Institution, Physical Oceanography, Woods Hole, MA, United States, (2)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (3)Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China
21st Century Projected Changes in Arctic Cyclone Activity (162807)
John Mioduszewski1, Stephen J Vavrus1, Muyin Wang2, Marika M Holland3, Laura Landrum4 and Emmanouil Flaounas5, (1)University of Wisconsin Madison, Madison, WI, United States, (2)University of Washington Seattle Campus, Seattle, United States, (3)National Center for Atmospheric Research (NCAR), Boulder, United States, (4)National Center for Atmospheric Research, Boulder, CO, United States, (5)National Observatory of Athens, Athens, Greece
Springtime Extreme Moisture Transport into the Arctic - Its Impact and Associated Large-scale Atmospheric circulation (183178)
Wenchang Yang, University of California Irvine, Irvine, CA, United States and Gudrun Magnusdottir, University of California Irvine, Earth System Science, Irvine, CA, United States
Extra-tropical ocean warming and wintertime Arctic sea ice cover since the 1990s (117550)
Fei Li, Institute of Atmospheric Physics, CAS, NZC, Beijing, China, Wang Huijun, Nanjing University of Information Science and Technology, Nanjing, China and Yongqi Gao, Nansen Environmental and Remote Sensing Center, Bergen, Norway

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