Samuel Mason Zapp, Louisiana State University, Department of Oceanography & Coastal Science, Baton Rouge, LA, United States, Matthew W Brand, Louisiana State University, Civil Engineering, Baton Rouge, United States, Matthew D Palmer, Met Office Hadley Centre, Exeter, United Kingdom, Paul D Bates, University of Bristol, School Of Geographical Sciences, Bristol, United Kingdom, Matthew Weirich, Louisiana State University, Baton Rouge, LA, United States and Oliver Wing, SSBN Ltd, Bristol, United Kingdom