Here's what to know about the emergency alert system, which notifies Americans about natural disasters or crises via TV and radio alerts
Nationwide Emergency Alert System test to take place Oct. 4 - City
TODAY: Watch (and listen) for the Nationwide Emergency Alert Test
Nationwide emergency alert test to take place in October
FEMA and FCC to Conduct Nationwide Emergency Alert Test on October 4
An alert is expected on your cell phone Wednesday - here's why
Nationwide emergency alert test set for Oct. 4
Nationwide emergency alert system tested Wednesday Oct. 4
Wireless Emergency Alert System Nationwide Test Scheduled for
Nationwide Emergency Alert System Test
UK Government Launches Emergency Alert System Test: What You Need
FEMA, FCC testing emergency alert system Wednesday afternoon