red alert

noun

: the final stage of alert in which enemy attack appears imminent

broadly : a state of alert brought on by impending danger

Examples of red alert in a Sentence

The troops have been put on red alert. the paparazzi were on red alert for sightings of the hot new Hollywood couple

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.

Authorities in Spain have halted commuter rail services around Barcelona amid a red alert for extreme rain, following deadly floods around Valencia that have already claimed 217 lives. —

David Faris, Newsweek, 4 Nov. 2024 Three regions, including Andalucia and Valencia, were under red alerts on Wednesday. —

Kevin Shalvey, ABC News, 30 Oct. 2024 The Valencian regional government is being criticized for not sending out flood warnings to people’s mobile phones until 8 p.m. on Tuesday, when the flooding had already started in some parts and well after the national weather agency had issued a red alert for heavy rains. —

Alberto Saiz, Los Angeles Times, 31 Oct. 2024 If his death was an online storm, then the weeks leading up to it were a red alert. —

Lucy Ford, TIME, 21 Oct. 2024 See all Example Sentences for red alert