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.
The strong currents from flash floods can pull drivers off roadways. Ca Weather Bot, Sacbee.com, 14 Nov. 2025 Much of Southern California is under flood watch as of Friday afternoon, with a month of rain expected in a day, and potentially dangerous flash floods in burn scar areas of Los Angeles, Ventura and Santa Barbara counties after this year’s wildfires. Glenn Garner, Deadline, 14 Nov. 2025 Southern California is bracing for an atmospheric river that could bring flash floods to the region, triggering evacuation warnings in steep terrain and areas ravaged by wildfires earlier this year. Christopher Cann, USA Today, 14 Nov. 2025 Officials said most people died from drowning as the storm triggered flash floods and caused rivers to swell above their danger levels. Helen Regan, CNN Money, 6 Nov. 2025 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 16 Nov. 2025.

More from Merriam-Webster on flash flood

Last Updated: - Updated example sentences
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