Telephone-based mass notification systems are used by thousands of public safety agencies across the U.S. to warn residents ...

Wireless Emergency Alerts — a national public warning system commonly used by state and local authorities to deliver important information about severe weather, natural disasters, or missing persons ...

The County of Monterey wants to inform the communities of Watsonville and Pajaro that they will be testing an emergency alert on Thursday.

The company said indiscriminate jamming could interfere with licensed spectrum used by SiriusXM and wireless carriers.

The alert will clearly state that it is a test and will include an option to unsubscribe.

BALDWIN COUNTY, Ala. (WKRG) — The next notification on your phone might be one you wouldn’t expect: a shark alert. A new state law now requires Alabama emergency officials to administer a wireless ...

COLUMBIA, S.C. (WCBD) – A cybersecurity incident appears to have caused a nationwide outage of an emergency notification system called “CodeRED.” The CodeRED notification system is just one of several ...

The monthly test of Hawai‘i’s outdoor warning sirens is scheduled for 11:45 a.m. on Feb. 2 and will be conducted in coordination with a test of the Emergency Alert System. All statewide outdoor ...

The monthly test of the all-hazard Statewide Outdoor Warning Siren System is scheduled for 11:45 a.m. Monday. The siren test will be coordinated with a check of the Live Audio Broadcast segment of the ...

Hawai‘i prepares for its monthly siren and emergency alert system test set for February 2, 2026, at 11:45 a.m.