Observations of Ice Nucleating Particles Over Southern Ocean Waters. - McCluskey, C. S.; Hill, T. C. J.; Humphries, R. S.; Rauker, A. M.; Moreau, S.; Strutton, P. G.; Chambers, S. D.; Williams, A. G.; McRobert, I.; Ward, J.; Keywood, M. D.; Harnwell, J.; et al. (Geophysical Research Letters, 2018)