Study of the September 17th 2007 severe hailstorm in Pla d'Urgell. Part I: fieldwork and analysis of the hailpadspdf Study of the September 17th 2007 severe hailstorm in Pla d'Urgell. Part II: meteorological analysispdf Proposal of three thermodynamic variables to discriminate between storms associated with hail and storms with intense rainfall in Cataloniapdf Using maximum Vertical Integrated Liquid (VIL) maps for identifying hail-affected areas: an operative application for agricultural purposespdf The Lightning Jump, the 2018 ”Picking up Hailstones” Campaign and a Climatological Analysis for Catalonia for the 2006-2018 Periodpdf