Flash-flood暴涨
flash h flood暴洪
flash-flood-producing rainstorm致洪暴雨
the flash-flood-producing vortex致洪低涡
flash flood warning暴洪警报;山洪灾害预警;洪水预警
flash flood watch暴洪守视
rainstorm flash flood暴雨突发性洪水
flash flood rain warning雨量预警
a flash flood一场突如其来的洪水
N-COUNT（可数名词） A flash flood is a sudden rush of water over dry land, usually caused by a great deal of rain. 骤发洪水