The phrase Particularly Dangerous Situation is used by the United States National Weather Service for tornado warnings when a violent tornado is expected to cause major damage and threaten lives. Clips in the Max Velocity style circulate online because that channel is known for fast, live severe-weather coverage, and viewers associate its urgent presentation with breaking storm events. Creators reuse the warning sound to signal that a situation has escalated beyond a routine forecast, which is why it remains popular for storm edits, reaction videos and dramatic weather compilations.