The outdoor sirens are very loud and can be heard about a half-mile away outdoors, depending on weather conditions. Outdoor sirens are not intended to warn people indoors, as a tone loud enough to be ...

Milton to test tornado sirens briefly on Wednesday; residents should not be alarmed as it's just a routine check.

Glasgow residents are being warned to expect a loud 'warning' siren. Gas network company SGN will conduct a routine test of the warning siren at its Liquified Natural Gas site on Blochairn Road in ...

Every 4G and 5G phone within coverage will simultaneously emit a loud siren-like sound and vibrate for up to 10 seconds as part of the warning process. Although the exact date for the nationwide ...