Louis-Philippe Nadeau, University of Quebec at Rimouski UQAR, Rimouski, QC, Canada, Antoine Venaille, CNRS, ENS de Lyon, Laboratoire de Physique, Lyon, France, David Straub, McGill University, Department of Atmospheric and Oceanic Sciences, Montréal, QC, Canada and Raffaele M Ferrari, MIT, Cambridge, MA, United States