What do the sound of outdoor sirens indicate?
Categories:
Fire Department
Police Department
Understanding Outdoor Siren Alerts
Overview
The City’s outdoor warning sirens are used to warn people who are outdoors to seek shelter inside immediately.
- There are a total of 23 outdoor warning sirens, and they are activated to warn of severe weather or other emergencies such as a hazardous chemical incident.
- Monthly testing is conducted on the first Saturday of each month at 11 am with two back-to-back 60 second activations. A growl test, similar to the monthly test but shorter, is sounded each Saturday.
Additional Resources
Updated 8/27/2025 10:54 AM