Cellphone alerts failed during January fires in west Altadena, prompting calls for sirens as a backup. While sirens can fill gaps in emergency alerts, they have limitations and require funding.

Sirens can help in rural places where cell service is unreliable and phone alerts might not go off, according to researchers, but they are no silver bullet.

There is "sound" concern about Elkhart County's warning sirens.WSBT22 has been investigating a situation involving outdoor ...

The St. Lucie Nuclear Power Plant outdoor warning sirens will blare at noon Thursday as part of its quarterly testing. A ...

In the wake of the deadly flash floods in Texas, state leaders are exploring whether to install more flood warning sirens. Such sirens can save lives if they're part of a larger warning system.

While sirens can help in areas with shaky cell service, experts say officials also need to consider alert fatigue and provide education on what to do in an emergency.

In the wake of the deadly flash floods in Texas, state leaders are exploring whether to install more flood warning sirens. Such sirens can save lives if they're part of a larger warning system.

In the wake of the deadly flash floods in Texas, state leaders are exploring whether to install more flood warning sirens. Such sirens can save lives if they're part of a larger warning system.