The 1982 Nagasaki flood (Japanese: 長崎大水害) was caused by a cloudburst that occurred mainly in Nagasaki, Japan in July 1982.
On July 23, 1982, due to the influence of the Meiyu front, a cloudburst occurred around Nagasaki.
[1][2] Due to this cloudburst, mudflows and rivers overflowed their banks in quick succession.
[3][4] Throughout the Nagasaki area, following rainfall observed at 100 to 187 mm a per hour, as well as landslides throughout the area.
According to the Japanese government report, 299 people died in Nagasaki Prefecture, along with 23 in Kumamoto Prefecture.