What does it mean when you hear the outdoor warning sirens? How long will they sound? And no, there's no such thing as an "all-clear" siren.

Sioux Falls officials announced Wednesday morning they will begin activating outdoor warning sirens for "destructive severe thunderstorm warnings" in addition to tornado warnings. The National ...

Planned testing of tsunami sirens along Christchurch's coast did not happen because the Auckland-based person responsible was dealing with a car crash outside their property at the time. Christchurch ...

Northland's newly upgraded tsunami siren network is due to be tested for the first time this weekend. The Northland Regional ...

Tsunami sirens could be heard after the 1:18 a.m. quake urging residents ... Hours later, a second 6.1 magnitude quake hit in the same area. The Pacific Tsunami Warning Center in Hawaii issued a ...

A controversial tsunami siren in Whangārei Heads has been removed because it was installed ahead of schedule and before full community consultation. The siren at the waterfront in Parua Bay, off ...