Abstract: Laboratory experiments duplicating the tornadic phenomenon in which small projectiles are driven into various objects such as posts or trees have established the penetration of straws and splinters into various kinds of ...

Abstract: The so-called True Skill Statistic (TSS) and the Heidke Skill Score (S), as used in the context of the contingency, table approach to forecast verification, are compared. It is shown that the TSS approaches the Probability ...