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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
And with this year’s ‘super El Nino’ expected to bring flash floods and landslides to Kenya, thousands of workers in Nairobi have been preparing. — John Otis, NPR, 29 Oct. 2026 Deoras said forecasting had improved for large weather systems, but local thunderstorms and flash floods remained difficult to predict, leaving dangerous gaps in protection. — Sibi Arasu, Los Angeles Times, 28 Oct. 2026 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 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

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Cite this Entry

“Flash flood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flash%20flood. Accessed 1 Nov. 2026.

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