豪雨

1. Origins, structure, and basic meaning

• Structure: Written 豪雨 and read ごうう, it denotes extremely intense rain capable of causing disruption or damage.
• Basic usage: It fits a sudden downpour that closes a road and severe rain for which drains are cleared in advance.

2. Common pitfalls and similar expressions

• Emphasis on intensity
  • It highlights the force and hazard of the rain, rather than merely its duration.