Amelie Meyer, University of Tasmania, Australian Research Council Centre of Excellence for Climate Extremes, Hobart, TAS, Australia, Clothilde Langlais, CSIRO Marine and Atmospheric Research Hobart, Hobart, TAS, Australia, Navid Constantinou, Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, Benoit Legresy, CSIRO Oceans and Atmosphere, TAS, Australia, Andrew M. Hogg, Australian National University, Canberra, ACT, Australia and N L Bindoff, Univ Tasmania, Hobart, Australia