| 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. |