河か川せん氾はん濫らん

noun

river flooding; overflow of rivers

Refers specifically to flooding caused by rivers overflowing their banks, often due to heavy rain or levee breaches. Used in news, disaster reports, and technical contexts.

• 台たい風ふうの影えい響きょうで各かく地ちで河か川せん氾はん濫らんが発はっ生せいした。

  River flooding occurred in various areas due to the typhoon.

• 河か川せん氾はん濫らんの危き険けん性せいが高たかまっている。

  The risk of river flooding is increasing.