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yellow alert
noun
- (in military or civilian defense) the first alert given when enemy aircraft are discovered approaching a military installation, city, coastline, etc. Compare blue alert, red alert, white alert.
- the signal or alarm sounded for this alert.
- any primary stage of alert, as when toxic chemicals have escaped in a particular area and a potential hazard exists.
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˜yÐÄvlog History and Origins
Origin of yellow alert1
First recorded in 1965–70
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Example Sentences
The yellow alert for strong winds, which may lead to some disruption, covers all of Northern Ireland and comes into effect at 03:00 GMT on Sunday until 15:00.
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But a yellow alert, issued by Caledonian MacBrayne on Sunday, said it may be subject to delay or cancellation due to high winds.
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In Northern Ireland, a yellow alert for snow and ice warning will be in place until 11:00 on Tuesday.
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A yellow alert for snow and ice across Wales and parts of northwest and southwest England took effect at 17:00 on Monday, lasting until 10:00 on Tuesday.
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Calmac said the Ardmhor to Eriskay route is on yellow alert and liable to cancellation or disruption.
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