The phrase describes something exhibiting unpredictable and potentially harmful behavior, similar to rapidly changing and severe weather conditions. An example would be a dog known for sudden, unprovoked aggression, comparable to a sudden, violent storm.
Understanding this type of clue is essential for crossword puzzle solvers. It requires thinking figuratively and associating abstract qualities with concrete examples. This skill translates beyond puzzles, enhancing critical thinking and problem-solving abilities. Figurative language, like similes and metaphors, has a rich history in literature and communication, adding depth and nuance to expression.