Kaushik Srinivasan, University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, United States, Roy Barkan, Tel Aviv University, Porter School of Environment and Earth Science, Tel Aviv, Israel, Luc Lenain, University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States and Nicholas Pizzo, University of Rhode Island, Narragansett, United States