noun
flood devastation; damage from heavy rain
Refers to the destruction and suffering caused by torrential rain and subsequent flooding. Often used in news reports and disaster contexts.
今年の豪雨禍で多くの家が流された。
Many houses were washed away in this year's flood devastation.
豪雨禍からの復興には長い時間がかかる。
Recovery from the heavy rain disaster takes a long time.
水害 is a broader term for flood damage, not necessarily from heavy rain alone; 豪雨禍 emphasizes the cause as torrential rain.
Compound of 豪雨 (gōu, 'torrential rain') and 禍 (ka, 'calamity, misfortune').