investigative
An early warning vision is one that alerts individuals to potential dangers or opportunities in advance. A clear investigative vision involves a detailed examination or exploration of a specific subject or situation. A peripheral vision is the ability to perceive things on the edges of one's awareness, while a cone vision refers to a focused and concentrated view on a specific point or target.
​the giraffes' height and excellent vision give them a wide view of the grasslands where they live, making it easy to spot predators from a distance.
...an engineering control system
Tactical Biological Standoff Detection System
My favorite and best early warning alarm signal, so far, is my ChowChow and my Border Collie! They give me plenty of time to get my gun. And I would FIGHT to protect them as much as myself.
Early warning is a marketing tool. There is no early warning. Most radar detectors just detect the signal.
National Early Warning System North, East, West, South
Yes you can get an early warning from local athorities
Distant Early Warning - song - was created in 1984.
Pretty sure its the Early Warning System!
Early warning signs of storms and precautions
Famine Early Warning Systems Network was created in 1986.