Outdoor Warning System
Signal | Meaning | Action |
3-minute wail...a high tone increasing in pitch | Natural Disaster: Such as a tornado, high wind, hail, or flash flood warning | Take immediate protective action. |
3-minute attach...a wavering siren tone, warbling in pitch | National Emergency: Information will come from the Texas Department of Public Safety and Federal Emergency Management Agency (FEMA). | Take immediate protective action. Tune in to radio or TV Emergency Alert System (EAS). |
3-minute alert...a steady siren signal | Hazardous Chemical Spill | Tune in to your local radio or TV. |
3-minute hi/lo...a series of alternating high/low siren signals | All clear | All danger or test is clear. |
3-minute slow whoop...a slow whoop siren tune | This is a test. | Sirens will be sound tested 1st Tuesday of every month at 12 noon. |