A Network of Hailpads in Spain

Roberto Fraile, José L Sánchez, José L de la Madrid, Amaya Castro


Hailpads are sensors which can detect the impact produced by hail, thus allowing one to determine if a particular storm gave rise to the production of hail, and if so, the characteristics of the stones. Due to the fact that hailstorms are very typical of this area, a large number of hailpads must be installed. Furthermore, the reading of the haildents is difficult and there may be many errors if due precautions are not taken. In this work we present a design for a hailpad and a methodology which we believe will greatly diminish the reading errors. We also present the criteria used in the installation of a network of sensors. Finally, we analyze the results from a storm in the summer of 1990 in León (Spain).

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