Jessica Slater¹, Hugh Coe², Gordon McFiggans³, Paul Connolly², Juha Tonttila⁴, Sami Romakkaniemi⁵, David O Topping⁶, Yele Sun⁷ and Eiko Nemitz⁸, (1)University of Manchester, SEES, Manchester, M13, United Kingdom, (2)University of Manchester, Manchester, United Kingdom, (3)University of Manchester, School of Earth and Environmental Sciences, Manchester, United Kingdom, (4)Finnish Meteorological Institute, Atmospheric Research Centre of Eastern Finland, Kuopio, Finland, (5)Atmospheric Research Centre of Eastern Finland, Kuopio, Finland, (6)University of Manchester, School of Earth, Atmospheric and Environmental Science, Manchester, United Kingdom, (7)Institute of Atmospheric Physics, Chinese Academy of Sciences, State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Beijing, China, (8)Centre for Ecology and Hydrology, Edinburgh, United Kingdom