Extratropical and High-Latitude Storms, Teleconnections, and the Changing Polar Climate I

Wednesday, 17 December 2014: 8:00 AM-10:00 AM
Chairs:  Xiangdong Zhang, University of Alaska Fairbanks, Fairbanks, AK, United States and Kent Moore, University of Toronto, Toronto, ON, Canada
Primary Conveners:  Xiangdong Zhang, Univ Alaska, Fairbanks, AK, United States
Co-conveners:  Qinghua Ding, Univ of WA-Earth & Space Scie, Seattle, WA, United States, Kent Moore, Univ Toronto, Toronto, ON, Canada and Xiaojun Yuan, Lamont-Doherty Earth Observ, Palisades, NY, United States
OSPA Liaisons:  Kent Moore, University of Toronto, Toronto, ON, Canada

Abstracts Submitted to this Session:

8:00 AM
The Relationship Between Recent Arctic Amplification and Extreme Mid-Latitude Weather
Judah Levi Cohen1, James Screen2,3, Jason C Furtado4, Mathew A Barlow5, David P Whittleston6, Dim Coumou7, Jennifer Ann Francis8, Klaus Dethloff9, Dara Entekhabi6 and James E Overland10, (1)Atmos and Environ Res Inc., Lexington, MA, United States, (2)University of Melbourne, University of Exeter, Melbourne, Australia, (3)University of Exeter, Exeter, United Kingdom, (4)Atmospheric and Environmental Research, Lexington, MA, United States, (5)University of Massachusetts Lowell, Lowell, MA, United States, (6)Massachusetts Institute of Technology, CEE, Cambridge, MA, United States, (7)Potsdam Institute for Climate Impact Research, Potsdam, Germany, (8)Rutgers University, Marion, MA, United States, (9)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, (10)Pacific Marine Environmental Laboratory, Seattle, WA, United States
8:15 AM
Summer-to-winter sea-ice linkage between the Arctic Ocean and the Okhotsk Sea through atmospheric circulation
Masayo Ogi1, Bunmei Taguchi2, Meiji Honda3, David G Barber4 and Søren Rysgaard4,5, (1)University of Manitoba, Centre for Earth Observation Science, Winnipeg, MB, Canada, (2)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan, (3)Niigata University, Niigata, Japan, (4)University of Manitoba, Winnipeg, MB, Canada, (5)Aarhus University, Aarhus, Denmark
8:30 AM
Atmospheric Controls on Upwelling in the Pacific Sector of the Arctic Ocean
Robert S Pickart1, Kent Moore2 and Michael A Spall1, (1)WHOI, Woods Hole, MA, United States, (2)Univ Toronto, Toronto, ON, Canada
8:45 AM
Responses of the Bering-Chukchi Shelf Circulation at Synoptic and Inter-Annual Time Scales to the Location, Strength, and Direction of North Pacific and Western Arctic Winds
Seth L Danielson1, Thomas Weingartner1, Katherine Hedstrom1, Knut Aagaard2, Rebecca A Woodgate3, Enrique N Curchitser4 and Phyllis J Stabeno5, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)University of Washington Seattle Campus, Seattle, WA, United States, (3)Univ Washington, Seattle, WA, United States, (4)Rutgers University New Brunswick, Institute of Marine and Coastal Sciences, New Brunswick, NJ, United States, (5)PMEL/NOAA, Bothell, WA, United States
9:00 AM
Greenland Blocking As a Mechanism for Recent Arctic/Mid-Latitude Weather Linkages
James E Overland, Pacific Marine Environmental Laboratory, Seattle, WA, United States, Edward Hanna, University of Sheffield, Sheffield, United Kingdom and Muyin Wang, University of Washington Seattle Campus, Seattle, WA, United States
9:15 AM
Influence of the Atlantic Multidecadal Oscillation on the Northern Hemisphere Climate in Winter
Yannick Peings and Gudrun Magnusdottir, University of California Irvine, Earth System Science, Irvine, CA, United States
9:30 AM
Identifying Dynamical Forcing and Cloud-Radiative Feedbacks Critical to the Formation of Extreme Arctic Sea-Ice Extent in the Summers of 2007 and 1996
Xiquan Dong1, Behnjamin J Zib1, Baike Xi1, Yi Deng2, Xiangdong Zhang3, Bing Lin4 and Charles N. Long5, (1)University of North Dakota, Grand Forks, ND, United States, (2)Georgia Institute ofTechnology, Atlanta, GA, United States, (3)University of Alaska Fairbanks, Fairbanks, AK, United States, (4)NASA Langley Research Center, Hampton, VA, United States, (5)Pacific Northwest National Laboratory, Richland, WA, United States
9:45 AM
Skillful long-range prediction of European and North American winters
Rosemary Eade1, Adam A Scaife2, Alberto Arribas2, Ed Blockley2, Anca Brookshaw2, Robin T Clark2, Nick Dunstone2, David Fereday2, Christopher Kenneth Folland2, Margaret Gordon2, Leon Hermanson2, Jeff Knight2, Daniel J Lea2, Craig MacLachlan2, Anna Victoria Maidens2, Matthew Martin2, Andrew Peterson2, Doug Smith2, Michael Vellinga2, Emily Wallace2, Jennifer Waters2 and Andrew Williams2, (1)Met Office Hadley center for Climate Change, Exeter, EX1, United Kingdom, (2)Met Office Hadley center for Climate Change, Exeter, United Kingdom
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