Growing up, the Emergency Broadcast System was a kind of sonic boogeyman. Its signature harsh tone would cut through your favorite TV show or song on the radio, announcing that “THIS IS ONLY A TEST”.

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

WASHINGTON — Around 2:20 p.m. Eastern Time (or a little closer to 2:18 p.m. Eastern) on Wednesday, Oct. 4, millions of cellphones, TVs and radios across the country sent out an alert as part of a ...

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 ...