1.
heavy rain
Rain that falls heavily or in large amounts.
大雨で電車が止まった。
The train stopped due to heavy rain.
大雨警報が出ている。
A heavy rain warning has been issued.
大雨が降っている。
It's raining heavily.
大雨 means heavy rain — significantly heavier than normal rainfall.
WORD FORMATION:
大 (big, heavy) + 雨 (rain).
COMMON PATTERNS:
- 大雨が降る: heavy rain falls
- 大雨警報: heavy rain warning (issued by the 気象庁)
- 大雨注意報: heavy rain advisory (less severe)
- 大雨で中止: canceled due to heavy rain
- 大雨による被害: damage caused by heavy rain
INTENSITY SCALE:
- 小雨: light rain
- 雨: rain (normal)
- 大雨: heavy rain
- 豪雨: torrential rain (more intense, often implies disaster-level)
- 集中豪雨: localized torrential rain