[s1e9] The Perfect Storm -

The phrase "perfect storm" is also a common idiom meaning a rare combination of circumstances that drastically aggravates a situation. It was popularized by the 1991 Halloween Nor'easter and the subsequent book and movie of the same name.

: The girls are forced to confront their secrets and relationships while confined to the library. [S1E9] The Perfect Storm

In this episode, the town of Rosewood is hit by a massive storm while the students are trapped at school during their SAT exams. The phrase "perfect storm" is also a common