Flash floods happens when dams break, when levees fail or when an ice jam releases a large amount of water by
melting or as huge ice block slides and change of sudden climatic condition due to Global warming Flash flood is a destructive
type of natural hazard incident. The main danger due to velocity and speed with which flash flood develops and resulting
powerful water flows. The risks arise from related phenomena such as tangible assets & debris flow, ice jam melts, surface water
flooding, etc. The most comprehensive way to provide warnings is to install gauges both at and upstream of areas at risk and to
use the outputs from forecasting models to help to extend warning lead times. This article tries to focus on the causes of flash
flood and specially the remedial part which is optimum utilization of flash flood for agricultural irrigation purpose.
