Typically a high pitched sound such as a clock, a siren, and so on. Also any sounds that you become aware that they are warning sounds.
Common warning or alert sounds include siren, beep, buzz, alarm, or any other loud or repetitive noise meant to grab attention and indicate a potential danger or important message. These sounds are designed to prompt immediate action or response to ensure safety or address an urgent situation.
What is the wavering tone warning signal alerts the base
air attack
air attack
air attacks
air attacks
What is the wavering tone warning signal alerts the base
Air attacks
What does the wavering tone warning signal alert a base for
no
one prolonged blast
fire trucks, ambulanes, fire drills. etc.
Warning doesn't make any difference because tsunami is another name for destruction it just alerts the people mentally or you can say creates a panic.