EMERGENCY PRESIDENTIAL/ IMMINENT/ THREAT ALERTS: Wireless Emergency Presidential Alerts on Latest i-Phones (Like Hurricanes, Earthquakes, Tornado, Tsunamis, Abduct Children's, Messages By President):
A latest Apple iPhone software update will activate wireless emergency alerts (WEA Globally) and Presidential Updates (by default) on your iPhone 4S and iPhone 5. AT&T announced
Claiming that it is mandated by law as part of the FCC’s CMAS program, the emergency alerts are meant to inform and alert mobile users to potential emergency situations and get the text message across with a characteristic beep through a different technology, even bypassing congested mobile networks.
There are 3 types of alerts that they can push to your iPhone.
Presidential Alerts ------- issued by the President
Imminent Threat Alerts- informing of potential disasters like hurricanes, earthquakes, tornados etc.
AMBER Alerts ------------- to help search for or locate abducted children.