Flash flood
01
山洪暴发, 骤发洪水
a sudden and rapid flooding of a normally dry area, often caused by heavy rainfall or the sudden release of water
例子
Residents were evacuated as a flash flood warning was issued due to the overflowing river after intense rainfall.
由于强降雨后河流泛滥，发布了山洪警告，居民被疏散。
