DENVER — The Denver Office of Emergency Management will conduct a test of its outdoor warning sirens and wireless emergency alert system Wednesday morning. During the test, which is scheduled for 11 a ...

The tests will take place on June 3-4, testing nearly 100 sirens within a 10-mile radius around Peach Bottom.

An annual test of Tuolumne County’s emergency alert notification system and outdoor warning sirens is scheduled for 11 a.m. this Thursday. The coordinated test will include the Everbridge system, ...

LIMERICK TWP., Pa. - Montgomery County's only nuclear power plant will test its emergency warning sirens next week.

UPDATE: Tuesday morning's sirens were a test, but severe weather could come later. See the latest forecast. Your cell phone might go off. You could hear the sound of tornado sirens blaring Tuesday ...