"flash flood." YourDictionary, n.d. Web. 19 December 2018. <https://www.yourdictionary.com/flash-flood>.
flash flood. (n.d.). Retrieved December 19th, 2018, from https://www.yourdictionary.com/flash-flood
A sudden, localized flood of great volume and short duration, typically caused by unusually heavy rain in a semiarid area. Flash floods can reach their peak volume in a matter of a few minutes and often carry large loads of mud and rock fragments.