Joplin city officials have changed the city’s outdoor warning siren activation policy as the result of an unwarned EF1 ...

The National Weather Service surveyed damage in Two Rivers and concluded it was not a tornado that caused the damage, but ...

Authorities say debris from the severe storm struck and damaged utility infrastructure, which disrupted the signal system used to activate the sirens. Kiowa residents help with cleanup efforts after a ...

On Sunday, many Northwest Iowa towns had outdoor warning sirens go off to alert the community to take cover. In Lawton, the ...

Officials said sirens did not sound before the sudden storm, and damage in Two Rivers was caused by straight-line winds, not ...

Dallas' weather sirens, officially known as the Outdoor Warning System, alert people to weather threats that could cause ...

The sirens will now be sounded when the National Weather Service issues a severe thunderstorm warning with a "tornado ...

The deadliest tornado in modern U.S. history devastated Joplin, Missouri, 15 years ago, causing an estimated $2.8 billion in damage, killing 161 and injuring 1,000.