ARTICLE Madonna_APOISSONREGRESSIONAPPROACHTOMODELMONTHLYHAILOCCURRENCEINNORTHERNSWITZERLANDUSINGLARGE-SCALEENVIRONMENTALVARIABLES_2017/IDIAP A Poisson regression approach to model monthly hail occurrence in Northern Switzerland using large-scale environmental variables Madonna, Erica Ginsbourger, David Martius, Olivia Atmospheric Research 203 261-274 2018 10.1016/j.atmosres.2017.11.024 doi