You can expect to hear tornado sirens in the Des Moines area today. Learn what it means when they go off and why they're in ...

Modern technology has added powerful tools for warning the public, but emergency management research suggests different ...

Severe storms ripped through Central Texas over the weekend, and while tornado warnings were issued near San Marcos, the city's outdoor warning sirens did not sound, leaving some residents unaware of ...

Two Fridays ago around midnight, an individual hacked and triggered the emergency siren system used in Dallas to warn for tornadoes and other emergencies. That same person kept the alarms going for 95 ...