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The Emergency Alert System ( EAS) is a national warning system in the United States designed to allow authorized officials to broadcast emergency alerts and warning messages to the public via cable, satellite and broadcast television and both AM, FM and satellite radio.
The EAS can be activated by national, state, regional, or local authorities, including police, fire, weather, and other governmental authorities. EAS is often activated when an unpredicted emergency such as a tornado, earthquake, or release of toxic gas happens. The vast majority of EAS alerts are generated by the National Weather Service.
A National Emergency Message ( SAME code: EAN), formerly known until 2022 as an Emergency Action Notification, is the national activation of the Emergency Alert System (EAS) used to alert the residents of the United States of a national or global emergency such as a nuclear war or any other mass casualty situation.
While the EAS will be broadcast to radios and televisions, the WEA will be sent to mobile phone users bearing the text “THIS IS A TEST of the National Wireless Emergency Alert System. No action ...
Emergency Alert System. The Emergency Broadcast System ( EBS ), sometimes called the Emergency Action Notification System ( EANS ), was an emergency warning system used in the United States. It was the most commonly used, along with the Emergency Override system. It replaced the previous CONELRAD system and was used from 1963 to 1997, at which ...
An example of a Wireless Emergency Alert on an Android smartphone, indicating a Tornado Warning in the covered area. Wireless Emergency Alerts (WEA, formerly known as the Commercial Mobile Alert System (CMAS), and prior to that as the Personal Localized Alerting Network (PLAN)), is an alerting network in the United States designed to disseminate emergency alerts to mobile devices such as cell ...
UK Emergency Alert System. The alert system is intended to allow government and the emergency services to send a text alert to mobile phones in a situation where there is perceived to be an immediate risk to life. Mobile users will receive an alert accompanied by a siren-like noise, they must acknowledge in order to use the phone's other ...
A civil danger warning (SAME code: CDW) is a warning issued through the Emergency Alert System (EAS) in the United States to warn the public of an event that presents danger to a significant civilian population. It is typically issued by a local or state authority and is relayed by the National Weather Service. The warning usually mentions a ...