Jan D Zika, University of New South Wales, School of Mathematics and Statistics, Sydney, NSW, Australia, Josef Bisits, University of New South Wales, Centre for Marine Science Institute, Sydney, Australia, Henri F Drake, University of California Irvine, Earth System Science, Irvine, United States, Ryan Holmes, Bureau of Meteorology, Sydney, Australia, Stephen Matthew Griffies, Princeton University, Princeton, United States, Andrew M Hogg, Australian National University and ARC Centre of Excellence for Climate Extremes, ACCESS-NRI, Canberra, ACT, Australia and Angus Gibson, Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia