1. a particularly violent storm arising from a rare combination of adverse meteorological factors.
▪ a particularly bad or critical state of affairs, arising from a number of negative and unpredictable factors:"the past two years have been a perfect storm for the travel industry"
A perfect storm is a meteorological event aggravated by a rare combination of circumstances. The term is used by analogy to an unusually severe storm that results from a rare combination of meteorological phenomena. Wikipedia
