U44A:
The Attribution of Extreme Weather Events and Their Impacts to External Drivers of Climate Change

Thursday, 18 December 2014: 4:00 PM-6:00 PM
Chairs:  Myles Robert Allen, University of Oxford, Physics, Oxford, United Kingdom and Heidi M Cullen, Climate Central, Princeton, NJ, United States
Primary Conveners:  Myles Robert Allen, University of Oxford, ECI/School of Geography and the Environment, Oxford, United Kingdom
Co-conveners:  Heidi M Cullen, Climate Central, Princeton, NJ, United States, Gabriele C Hegerl, University of Edinburgh, Edinburgh, United Kingdom and Judith Perlwitz, NOAA, Boulder, CO, United States
OSPA Liaisons:  Heidi M Cullen, Climate Central, Princeton, NJ, United States

Abstracts Submitted to this Session:

4:00 PM
U44B-01
 
Dramatic increases in likelihoods of extreme seasonal temperatures since 2003.
Peter Stott, Nikolaos Christidis and Andrew Ciavarella, Met Office Hadley center for Climate Change, Exeter, EX1, United Kingdom
4:15 PM
U44B-02
 
Assessing Extreme Events for Anthropogenic Influence: Examples of Recent Cases for Australian Temperatures, U.S. Precipitation, and Hurricane Sandy
Thomas R Knutson1, Fanrong Jenny Zeng1, Andrew Thorne Wittenberg1, Phil Duffy2, J R Arnold3, Chris Massey4, Michael F Wehner5, Dáithí A Stone6, Morris Bender1 and Matt Morin1, (1)NOAA Princeton, Princeton, NJ, United States, (2)Lawrence Livermore National Laboratory, Livermore, CA, United States, (3)U.S. Army Engineer Institute for Water Resources, Univ. of Washington, Seattle, WA, United States, (4)U.S. Army Engineers Research and Development Center, Coastal and Hydraulics Laboratory, Vicksburg, MS, United States, (5)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (6)Lawrence Berkeley National Lab, Berkeley, CA, United States
4:30 PM
U44B-03
 
Relevance of land forcings and feedbacks in the attribution of climate extremes
Sonia I Seneviratne, Edouard Davin, Peter Greve, Lukas Gudmundsson, Matthias Hauser, Martin Hirschi, Brigitte Mueller, Boris Orlowsky and Rene Orth, ETH Zurich, Zurich, Switzerland
4:45 PM
U44B-04
 
Attribution of low precipitation in California during the winter of 2013-2014
Roberto J Mera1, Brenda Ekwurzel1 and David E Rupp2, (1)Union of Concerned Scientists Washington DC, Washington, DC, United States, (2)Oregon State University, Corvallis, OR, United States
5:00 PM
U44B-05
 
Ethical Implications of Probabilistic Event Attribution for Policy Discussions about Loss and Damage
Friederike Elly Luise Otto, University of Oxford, Oxford, United Kingdom and Allen Thompson, Oregon State University, School of History, Philosophy and Religion, Corvallis, OR, United States
5:15 PM
U44B-06
 
Framing Extreme Event Attribution from the Bottom up – an Enquiry into the Social Representations of key stakeholders, of the Press and of Climate Scientists.
Jean-Paul Vanderlinden1, Mareike Fellmer2, Nathalia Capellini1, Insa Meinke2, Yorghos Remvikos1, Dennis Bray2, Chantal Pacteau3 and Hans Von Storch4, (1)Université de Versailles Saint-Quentin-en-Yvelines, Saint-Quentin-en-Yvelines, CEARC-OVSQ, Saint-Quentin-en-Yvelines, France, (2)Helmholtz-Zentrum Geesthacht, Zentrum für Material- und Küstenforschung, Institut für Küstenforschung, Geesthacht, Germany, (3)Centre National de la Recherche Scientifique, Groupement d’Intérêt Scientifique Climat, Environnement Société, Paris, France, (4)Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research, Geesthacht, Germany
5:30 PM
U44B-07
 
Can we attribute changes in risk to anthropogenic emissions?
Dáithí A Stone, Lawrence Berkeley National Laboratory, Berkeley, CA, United States, Christian Huggel, University of Zurich, Zurich, Switzerland and Gerrit Hansen, Potsdam Institute for Climate Impact Research, Potsdam, Germany
5:45 PM
U44B-08
 
Educating Local Audiences about Climate Change
Danny Satterfield, WBOC TV, Salisbury, MD, United States, Heidi M Cullen, Climate Central, Princeton, NJ, United States and Myles Robert Allen, University of Oxford, ECI/School of Geography and the Environment, Oxford, United Kingdom
 
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