What are the Outdoor Warning System sirens for?
The Outdoor Warning System has 37 sirens located throughout the city. When certain warnings are issued, the sirens are activated to warn people to move inside and turn on an information source. With today’s air-conditioned homes and people moving in vehicles, outdoor sirens should not be relied upon as the sole alerting method. Residents are encouraged to purchase a weather alert radio for indoor warning purposes.

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1. What is the difference between a watch and a warning?
2. Does the City of Plano have public storm shelters?
3. What are the Outdoor Warning System sirens for?
4. What should I do when I hear the Outdoor Warning Sirens?