early warning

Britain, meanwhile, has deployed an E-3D early warning aircraft over Poland and Romania to monitor Ukraine.

Black Oxen is a reminder of the healthy benefits of cynicism, and in retrospect served as an early warning to an ebullient age.

While hindsight is always telescopic, there were early warning signs that the currency of Facebook shares was primed for a fall.

We must make sure that our satellite early-warning systems are in place—in the U.S.—to monitor the weather and the climate.

Might this be an early warning sign of an art bubble about to burst?

"Remember that an early warning of danger is valuable," Sir Thomas cried down to them from the poop.

Air defenses include surface-to-air missiles, antiaircraft artillery, and early warning and aircraft control sites.

The chauffeur walked back a few yards, prepared to give early warning to the approaching horseman.

They both deceived Aliandra, in spite of her father's early warning and her old aunt's anxious advice.