flash flood

noun

: a local flood of short duration generally resulting from heavy rainfall in the immediate vicinity
flash flood verb

Examples of flash flood in a Sentence

Recent Examples on the Web
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But when forecasters issued a flash flood warning due to heavy rain, only a handful were working, along with four New Mexico National Guard technicians in vehicles capable of navigating floods. — Abe Streep, ProPublica, 21 Oct. 2026 Hail the size of golf balls and damaging wind gusts pounded northern and central Arizona in a rare storm blowing through, bringing with it tornado risks and possible flash floods. — ABC News, 21 Oct. 2026 The remnants of Hurricane Isaias brought nearly 10 inches of rain to parts of North Carolina on Saturday, creating flash floods, landslides and tornados. — Mark Price, Charlotte Observer, 15 Oct. 2026 The region is still at risk of flash floods as the storm's remnants were expected to continue dumping rain and bringing wind gusts through the weekend, the weather service said, adding that high surf would continue battering coastal communities. — Adrian Florido, NPR, 11 Oct. 2026 See All Example Sentences for flash flood

Word History

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of flash flood was in 1940

Browse Nearby Words

Cite this Entry

“Flash flood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flash%20flood. Accessed 25 Oct. 2026.

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