early warning
noun
advance notice of some impending event or development
Words nearby early warning
Example sentences from the Web for early-warning
I would later learn this type of cruel behavior is often the first early-warning sign of developing schizophrenia in children.
At their best, these hosts are self-described entertainers, occasional provocateurs, and early-warning systems.
Early voting is the early-warning system as the hurricane is coming,” he says, “and this year it looks like a category 5.