On the nationwide warning day, warning messages are again distributed via cell phone, radio and other channels in order to reach everyone quickly.

Northland’s six-monthly outdoor tsunami siren test will take place at 10 am on Sunday, 28 September, coinciding with the ...

Many have decried Kerr County's lack of sirens on the Guadalupe River. Officials in counties that have the systems say they are well worth the money.

Newberry stressed that sirens are a piece of a broader warning apparatus that also includes the news media, social media and cellphone alerts. Sirens, he said, are a measure of last resort.

Scranton on Wednesday will test two flood-warning sirens along the Lackawanna River: at Shawnee Avenue and Dean Street in the Plot section, and on Middle Street near Barring Avenue and the ...