yellow alert
Americannoun
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(in military or civilian defense) the first alert given when enemy aircraft are discovered approaching a military installation, city, coastline, etc.
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the signal or alarm sounded for this alert.
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any primary stage of alert, as when toxic chemicals have escaped in a particular area and a potential hazard exists.
Etymology
Origin of yellow alert
First recorded in 1965–70
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Met Office issued a yellow alert for rain covering parts of the north east, Angus and Perth from midnight until 09:00 on Sunday.
From BBC
The Met Office yellow alert lasts from 21:00 GMT on Saturday until 21:00 on Sunday.
From BBC
A yellow alert for snow and ice is in place for Counties Donegal, Cavan, Monaghan, Louth and Connacht.
From BBC
A yellow alert for County Donegal lasts from 20:00 local time on Friday until 11:00 on Saturday.
From BBC
An amber weather warning was in place in the Western Isles while the south of Scotland was covered by a yellow alert.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
