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2. Emergency Alert System - Wikipedia

   en.wikipedia.org/wiki/Emergency_Alert_System

   The National Public Warning System, also known as the Primary Entry Point (PEP) stations, is a network of 77 radio stations that are, in coordination with FEMA, used to originate emergency alert and warning information to the public before, during, and after incidents and disasters.

3. Here's why FEMA sent an emergency alert to your ... - AOL

   www.aol.com/news/heres-why-cellphone-emergency...

   Cellphones, TVs and radios across the U.S. simultaneously blared out an emergency alert today. Here's what to know and why it happened.

4. Wireless Emergency Alerts - Wikipedia

   en.wikipedia.org/wiki/Wireless_Emergency_Alerts

   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), [1] is an alerting network in the United States designed to disseminate emergency alerts to cell phones using Cell ...

5. Did your cell phone make a screeching noise today? Here’s why

   www.aol.com/america-national-emergency-alert...

   This message, which ran for approximately one minute, stated: “This is a nationwide test of the Emergency Alert System, issued by the Federal Emergency Management Agency, covering the United ...

6. Emergency population warning - Wikipedia

   en.wikipedia.org/wiki/Emergency_population_warning

   Cable television systems in the United States also have emergency warnings at the time, known as Local Access Alert or Emergency Override System. A notable example of an emergency alert being issued in the United States was a nationwide alert test, known as the National Periodic Test, which last occurred on October 4, 2023.

7. A nationwide emergency alert will be sent to all U.S ... - AOL

   www.aol.com/news/nationwide-emergency-alert-sent...

   A nationwide test of the emergency and wireless alert systems will be conducted Wednesday at 2:20 p.m. ET, when a message will be sent to all cellphones, TVs and radios.