Keening

The keening sound of the ambulance siren signaled a tragedy unfolding on the streets.

As the fog rolled in, a keening foghorn warned ships of the treacherous rocks ahead.

The distant keening of the siren warned of an approaching storm.

The piercing sound of keening could be heard from miles away, signaling the loss of a respected community leader.

The keening sound of the ambulance siren pierced through the busy city streets.