1. Department of Oceanography, Dalhousie University, Halifax, Nova Scotia B3H 4R2, Canada;
2. Australian Institute of Marine Science, Crawley, Western Australia 6009, Australia
3. Barcelona Supercomputing Center, 08034 Barcelona, Spain
4. CSIRO Oceans and Atmosphere, Hobart, Tasmania 7000, Australia
5. Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania 7001, Australia
6. Australian Research Council Centre of Excellence for Climate Extremes, University of Tasmania, Hobart, Tasmania 7001, Australia
7. Department of Physical Oceanography, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
8. Climate Change Research Centre, The University of New South Wales, Sydney, New South Wales 2052, Australia
9. Australian Research Council Centre of Excellence for Climate Extremes, The University of New South Wales, Sydney, New South Wales 2052, Australia