0 (the state of being ready to deal with) a sudden dangerous situation: --
The army was on red alert against the possibility of an attack.
Soon it will turn to a red alert.
Add to that our 14 heads of mission who will be on red alert.
Whether to operate a red alert system and in what circumstances are matters for local determination.
During the past few days, river levels have been high over a wide area with no fewer than 20 rivers being placed on red alert.
The term "red alert" is used by very few trusts and does not have a standard definition.
Is she aware that there were hospitals up and down the country that had to declare a red alert?
The banks have a red alert on the fruit growing enterprises, with a similar view taken by estate agents.
Every month the hospital is on red alert.
