Whether an alert comes from an outdoor siren or a cellphone, it starts with information from the National Weather Service.

Have you ever heard tornado sirens go off in Milwaukee County and wondered why your phone never made a sound? Turns out, ...

Add Yahoo as a preferred source to see more of our stories on Google. Carroll County's emergency management agency found some sirens wouldn't sound off on Thursday. "It's just better to be on the safe ...

The city of Ann Arbor is considering retiring its 22 outdoor emergency warning sirens, which warn people of severe weather, but use the same wailing tone for each severe weather emergency. In December ...