Other alerts include emergencies such as man-made or natural disasters, and Presidential alerts.
Most of the alerts are not mandated by law and are easily shut off if you do not want them. With the exception of the Presidential alerts, you can head to Settings >Notifications>Turn On/Off.
Additionally, alerts will not go against your data or messaging plans. The update will be sent to users with iOS 6.1 or higher.
Written by: Andre Yoskowitz @ 15 Jun 2013 19:14