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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Sammy Hadi, chief meteorologist at NWS Miami, said his office has issued a smattering of street flood advisories and flash flood warning in the last week, including a flash flood warning Wednesday morning in Broward. — Alex Harris updated September 23, Miami Herald, 23 Sep. 2026 By Wednesday next week, the moisture plume from the weakening storm will arrive in Arizona and New Mexico with the potential for flash floods and lingering tropical showers throughout the desert. — Sean MacAday, Sacbee.com, 23 Sep. 2026 Initial analysis suggests global warming exacerbated the melting of the glacier that snapped off in August, triggering flash floods. — Mamita Bhandari, NPR, 23 Sep. 2026 In just one month we were hit with heat wave after heat wave, saw our air choked with wildfire smoke, and watched our streets become lakes after flash floods. — Illapa Sairitupac, New York Daily News, 23 Sep. 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 25 Sep. 2026.

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