Arctic Change and Its Influence on Mid-Latitude Climate and Weather Agenda

Wednesday, February 1, 2017
Time Agenda Presenter Presentation
08:00

Breakfast/registration

08:45 Welcoming remarks

Xiangdong Zhang and Judah Cohen

09:00 to 10:00

Session 1: Arctic Mid-latitude Linkages - State of Knowledge
Chair: Xiangdong Zhang

09:00 Keynote lecture Judah Cohen, Atmospheric and Environmental Research/MIT Download
10:00

Break

10:30 to 14:10

Session 2: Science Questions - What Happens in the Arctic Stays in the Arctic, or Not?
Chair: Gudrun Magnusdottir and Simon Wang 

10:30 What is driving Arctic change: local vs. remote

Sukyoung Lee, Penn State U.

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11:10 Linkage between Arctic climate change and mid-latitude extreme climate

Steve Vavrus, U. Wisconsin

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11:30 Linkage between Arctic climate change and mid-latitude extreme weather

Xiangdong Zhang, U. Alaska

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11:50 Impact of new observations on linkage research: Year of Polar Prediction

Thomas Jung, Alfred Wegener Institute

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12:10 Impact of new observations on linkage research - Satellite systems

Ron Kwok, NASA Jet Propulsion Laboratory

12:30

Lunch

13:30 What do we know about surface-atmosphere coupling?

Jim Overland, NOAA Pacific Marine Environmental Laboratory

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13:50 What metrics can be used to analyze Arctic/mid-latitude linkages?

Timo Vihma, Finnish Meteorological Institute

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14:10 to 14:45

Lightning Talks Session 1 (1-minute/1-slide)

14:45

Break

15:00 to 16:30

Poster Session 1 (Observations and mechanisms)

16:30 to 17:30

Day 1 Discussion
Chair: Gudrun Magnusdottir and Simon Wang

Thursday, February 2, 2017
Time Agenda Presenter Presentation
08:00

Breakfast/registration

08:30 to 10:10

Session 3: Testing Ideas Using Modeling Studies of Arctic/Mid-latitude Linkages
Chairs: Steve Vavrus and Muyin Wang

08:30 Overview of recent modeling studies of atmospheric response to varying sea ice

Doug Smith, Met Office Hadley Centre

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08:50 Relative importance of the Tropics, internal variability, and Arctic amplification on mid-latitude climate and weather

Arun Kumar, NOAA Climate Prediction Center

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09:10 What are the different pathways/physical mechanisms that should be targeted for modeling studies?

Gudrun Magnusdottir, U. California, Irvine

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09:30 Present vs. future forcing of sea ice loss and Arctic amplification with mid-latitude linkages

James Screen, U. Exeter

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09:50 How well do the models simulate Arctic/mid-latitude linage mechanisms and what are the deficiencies?

John Fyfe, Environment and Climate Change Canada

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10:10 to 10:45

Lightning Talks Session 2 (1-minute/1-slide)

10:45

Break

11:00 to 12:30

Poster Session 2 (modeling and impacts)

12:30

Lunch

13:30 to 14:30

Day 2 Discussion
Chairs: Steve Vavrus and Muyin Wang

14:30 to 15:00

Discussion: Synthesis of overarching science questions
Chairs: Judah Cohen and Dorothy Hall

15:00

Break

15:30 to 17:00

Breakout Groups

15:30 Group 1: Basic science questions on mechanisms

Chairs: Uma Bhatt and Ignatius Rigor

15:30 Group 2: Basic science questions on mechanisms

Chairs: Dim Coumou and Dorothy Hall

15:30 Group 3: Modeling experiments of Arctic amplification and linkages to mid-latitudes

Chairs: Thomas Jung and Yannick Peings

17:00

Adjourn

18:00 to 20:00

Evening reception and event
Naval Heritage Center

Friday, February 3, 2017
Time Agenda Presenter Presentation
08:30

Breakfast/registratioin

09:00 to 09:45

Breakout Group Summaries
Chairs: Steven Feldstein and Jennifer Francis

09:00 Group 1 Summary

Uma Bhatt, U. Alaska Fairbanks, and Ignatius Rigor, U. Washington

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09:15 Group 2 Summary

Dim Coumou, Postdam Institute for Climate Impact Research, and Dorothy Hall, U. Maryland/NASA GSFC

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09:30 Group 3 Summary

Thomas Jung, Alfred-Wegener Institut, and Yannick Peings, U. California Irvine

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09:45 to 10:45

Group Discussion

10:45

Break

11:00 to 11:45

Group Discussion cont.

11:45 Final Remarks/Next Steps

Chairs: Judah Cohen and Xiangdong Zhang

12:00

Adjourn

13:00 to 15:00

Group Writing and Planning Session (optional)

Poster Presentations

 

Poster Title Author Affiliation Presentation
The atmospheric response to the forced removal of sea ice in a present-day climate simulation with EC-EARTH Olivier Andry KNMI - Royal Netherlands Meteorological Institute Download
Diminished Summer Arctic Sea Ice Linked to North-Central United States Moisture Extremes Tom Ballinger Texas State University, Department of Geography Download
Changing Seasonality of Indian Monsoon Uma Bhatt Professor, Chair of Atmospheric Sciences, Director of NOAA Cooperative Institute for Alaska Research (CIFAR) Download
The atmospheric response to extratropical ocean warming induced by Arctic sea ice loss Russell Blackport University of Exeter Download
Sinuosity of mid-latitude atmospheric flow in a warming world Julien Cattiaux CNRM-GAME, Toulouse, France Download
The robustness of mid-latitude weather pattern changes due to Arctic sea ice loss Hans Chen The Pennsylvania State University Download
Arctic vs. Tropical Influence on Mid-Latitude Weather over the Period of Arctic Amplification. Judah Cohen AER/MIT Download
Atmospheric response to reduced Arctic sea ice cover in coupled and uncoupled simulations of GEOS-5 and numerical analyses Allison Collow USRA/NASA GSFC Code 610.1 Download
Arctic sea ice loss and mid-latitude temperature response in coupled and uncoupled CFSv2 model simulations Thomas Collow INNOVIM, LLC/ NCEP/NOAA/NWS Climate Prediction Center Download
Understanding Dynamical Links relevant for Extremes using Complex Networks and Machine Learning Algorithms Dim Coumou Potsdam Institute for Climate Impact Research / VU Amsterdam Download
The role of downward infrared radiation in the recent Arctic winter warming trend and the subsequent impact on midlatitudes Steven Feldstein The Pennsylvania State University Download
Atmospheric circulation responses over Asia to sea-ice loss in the Barents and Kara seas in winter: a perspective revealed from reanalysis and CMIP5 data Zhe Han Institute of Atmospheric Physics, Chinese Academy of Science Download
The linkage between Arctic sea ice changes and mid-latitude atmospheric circulation in reanalysis data and model simulations — The role of synoptic-planetary wave interactions Dörthe Handorf Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research - Research Unit Potsdam Download
Circulation Response to Short-Term Arctic Warming Momme Hell SIO/UCSD Download
High latitude snow: teleconnections with the tropics Gina Henderson U.S. Naval Academy Download
Drivers of Polar Stratospheric Circulation During Recent Low Arctic Sea Ice Years Martin Hoerling NOAA Earth System Research Laboratory Download
North Atlantic soon flooded by Arctic freshwater? Myriel Horn Alfred Wegener Institute for Polar and Marine Research Download
Influence of Barents-Kara sea-ice reductions on Stratospheric Sudden Warmings Kazuhira Hoshi Niigata University Download
Sustainable Arctic observing network for forecasting weather extremes over the mid-latitudes Jun Inoue National Institute of Polar Research Download
Relating regional Arctic Sea-Ice and climate extremes over Europe Monica Ionita Alfred Wegener Institute for Polar and Marine Research Download
The linkage between Arctic sea ice changes and mid-latitude atmospheric circulation - The role of troposphere-stratosphere coupling Ralf Jaiser Alfred-Wegener-Institut Download
Is recent Eurasian winter cooling caused by Arctic sea ice loss? Hye-Jin Kim Seoul National University Download
Early prediction of weak stratospheric polar vortex states - using a causal precursor detection scheme Marlene Kretschmer Potsdam Institute for Climate Impact Research Download
Projected Changes in Internal Variability of the Climate System: Annual Mean 2m Temperature and Precipitation Emerson LaJoie CPC/NOAA/INNOVIM Download
Linkages between midlatitude humidity and summer amplification of Arctic midtropospheric warming Frederic Laliberte Environment and Climate Change Canada Download
The Impact of Regional Arctic Sea Ice Loss on Atmospheric Circulation and the NAO Peter Langen Climate and Arctic Research, Danish Meteorological Institute Download
Fully Coupled and Process Resolving Arctic Climate Simulations – Luxury or Necessity? Wieslaw Maslowski Naval Postgraduate School Download
The influence of regional Arctic sea-ice loss on the stratosphere, and mid-latitude weather and climate Christine McKenna British Antarctic Survey / University of Cambridge Download
Combined influence of snow cover and sea ice on North African/Mediterranean precipitation Sonja Molnos Potsdam Institute for Climate Impact Research Download
The December 2015 North Pole Warming Event and the Increasing Occurrence of Such Events Kent Moore Department of Physics, University of Toronto Download
Remote effects of ocean thermal condition on seasonal predictability of sea ice area in the Barents and Bering Seas Takuya Nakanowatari National Institute of Polar Research Download
Impacts of sea ice / SST changes for the observed climate change -GREENICE project- Fumiaki Ogawa University of Bergen and Bjerknes Center for Climate Research, Bergen, Norway Download
Changes in the mid-latitude atmosphere dynamics in the CESM-LENS simulations Yannick Peings UC Irvine Download
CHANGING TEMPERATURE GRADIENTS LINKED TO HOLOCENE MOISTURE TRENDS IN THE NORTHERN HEMISPHERE Cody Routson Northern Arizona University Download
Mid-Latitude Climate Change: The impacts of Arctic Amplification on the jet stream, atmospheric blocking, and teleconnections Julie Sanchez Penn State Download
Simulated Atmospheric Response to Regional and Pan-Arctic Sea Ice Loss James Screen University of Exeter Download
Numerical modeling studies on the influence of the Arctic on the atmospheric large-scale circulation of the Northern mid-latitudes Tido Semmler Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research Download
Recent Amplification of the North American Winter Temperature Dipole Deepti Singh Lamont-Doherty Earth Observatory Download
Atmospheric response to Arctic sea ice: the importance of the background state Doug Smith Met Office Download
The Process of Amplified Arctic Warming: Influence on Arctic-Mid Latitude Connection in Climate Models? Patrick Taylor NASA Langley Research Center Download
Persistent shift of the Arctic polar vortex towards the Eurasian continent in recent decades Wenshou Tian College of Atmospheric Sciences, Lanzhou University, Lanzhou,China Download
Changes in North American Atmospheric Circulation and Extreme Weather: Evidence of an Arctic Connection Steve Vavrus University of Wisconsin Download
Effects of spring Earth surface temperature anomalies on summer 2-m air temperature Timo Vihma Finnish Meteorological Institute Download
Intra-seasonal Periodicity Behavior of Finite-amplitude Wave Activity in the Mid- latitude Troposphere Lei Wang The University of Chicago Download
Far-Fields Causes of Eastern North American Cold Winters Muyin Wang University of Washington Download
A Potential Method to Evaluate the Relative Contribution of Arctic Sea Ice Loss to Mid-Latitude Climate in CESM Large Ensemble Project Fuyao Wang Nelson Institute Center for Climatic Research Download
Accelerated increase in Arctic tropospheric warming surpassing stratospheric warming Simon Wang Utah State University Download
Changes in Northern Hemisphere Winter Storm Tracks under the Background of Arctic Amplification Jiabao Wang School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, New York, USA Download
ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes and Feedback Mechanisms (AC)³ Manfred Wendisch Leipzig Institute for Meteorology, Uni Leipzig, Germany Download
Prolonged effect of the stratospheric pathway in linking Barents-Kara Sea sea ice variability to the midlatitude circulation in a simplified model Yutian Wu Purdue University Download
Suppressed mid-latitude summer atmospheric warming by Arctic sea ice loss during 1979-2012 Qigang Wu School of Atmospheric Sciences Nanjing University, China Download
Response of Northern Hemisphere Storm Activity to Tropical Pacific SST and Arctic Sea Ice Forcing: Modeling Investigations Xiangdong Zhang International Arctic Research Center, University of Alaska Fairbanks Download