An emergency test alert is a national or local public warning system used to assess the effectiveness of the system and to keep the public informed in the event of an emergency. When individuals receive this type of alert, they typically hear a sound similar to an alarm, and the alert will mention that it's a test
. These alerts can be related to various types of emergencies, such as dangerous weather, missing children, public safety messages, or imminent threats to safety or life
. The alerts are developed and sent by broadcast and cable operators in cooperation with the Federal Communications Commission and local authorities
. The purpose of these tests is to evaluate the readiness of the system and its national alerting capabilities
