The alert will look and sound much like the notifications you get for amber alerts and extreme weather. Cell phone users can expect an alert from the President of the United States on Tuesday.

Warning: This story discusses domestic violence. On Wednesday, every cellphone in the United States will emit a distinct, grating sound. The noise, an emergency notification from the Federal ...

WASHINGTON (AP) — Electronic devices across the United States sounded off Wednesday as the Federal Emergency Management Agency conducted its first-ever national wireless emergency alert test.

“This is a nationwide test of the Emergency Alert System, issued by the Federal Emergency Management Agency, covering the United States from 14:20 to 14:50 hours ET.

A nationwide test of the federal emergency alert system started broadcasting just before 2:20 p.m. EDT to cellphones, ... covering the United States from 14:20 to 14:50 hours ET.

TVs and radios will broadcast a similar message: “This is a nationwide test of the Emergency Alert System, issued by the Federal Emergency Management Agency, covering the United States from 14: ...

The WEA test will be broadcast over the course of about 30 minutes and sound the same as an AMBER Alert. Users can't opt out of the presidential alert test, according to FEMA.

The United States has two emergency alert systems. One for radio and television, and another for wireless devices, namely smartphones. At approximately 2:20 Eastern time, Wednesday, October 4 ...

There are about 50 sites on post that will only sound the mass notification alert system. The outdoor poles with speakers can be found scattered throughout the post. Some are located within or ...