Which is why the enormous trans-Atlantic cloud's path over London creates the perfect storm, so to speak.
The result was a perfect storm of commuter congestion where “normal Caracas chaos became absolute mayhem.”
Three scandals have come in Britain in a perfect storm last week.
a weather pattern involving the collision of a northeaster, a large high pressure system, and unusually cold Canadian air pushing down plus moisture and warm air pushing up from a hurricane to the south to create a 'once-in-a-lifetime' storm
A perfect storm is a weather phenomenon that develops maybe two or three times every century.