What is another word for perfect storm?
Pronunciation: [pˈɜːfɛkt stˈɔːm] (IPA) 
The phrase "perfect storm" refers to an unusual combination of events that lead to a disastrous outcome. Synonyms for this phrase include "convergence of factors", "catastrophic combination", "a series of unfortunate events", "tragic coincidence", and "unforeseen circumstances". Other phrases that can be used to describe a similar situation include "a chain reaction of problems", "a sequence of calamitous events", "a fateful convergence", "a deadly mix", and "an unstoppable collision". Regardless of which phrase you use, they all describe a situation where several factors come together to create a catastrophic event that could not have been predicted or avoided.
