This sound is commonly shared online under the name Chicago Fire Alarm, likely because listeners connect it with the emergency tone and firehouse setting of the TV drama Chicago Fire. The series began in 2012 and helped popularize that kind of urgent station-alert audio in fan edits and short clips. Even when the exact source clip is unclear, the label stuck because it is easy to recognize and useful. Creators still use it for emergency jokes, dispatch-style intros, and fast transitions into high-pressure moments.