Outdoor Warning System
What To Do If Sirens Are Activated
If you hear the sirens while you are outside, please go inside and seek shelter immediately and refer to a television or radio for further instructions. Please do not call 911 for severe weather information, as it is only to report life-threatening situations. .
Storms
The siren will produce a steady tone signal for three minutes. The sound will have a natural decrease / increase due to the rotation of the siren head. The sirens will only be initiated in the case of severe weather directly threatening Double Oak & Flower Mound as reported by the National Weather Service, a storm spotter, or certain Town employees that meets at least one of the following criteria:
- Reported hail of 1.50” in diameter or greater (or smaller for areas or events where large numbers of people are outdoors)
- Rotation in a dangerous cloud or a tornado
- Straight-line winds over 70 mph