"No action is needed". The test will assess the operational readiness of the infrastructure for distribution of a national message and determine whether improvements are needed.
The Presidential Alert would be used to allow the president to warn the public or address the nation during a national emergency.
As part of wireless emergency alerts, users will receive Presidential Alerts, AMBER Alerts, and alerts in cases of extreme weather or "other threatening emergencies". In addition, the FCC also will conduct a national test of the Emergency Alert System via radio and TV broadcasters, cable providers, satellite radio and TV operators, and wireline video providers at 2:20 p.m. EDT, lasting about one minute. A test of the new alert system is scheduled for this Wednesday after being postponed due to Hurricane Florence. Users can not opt out of receiving this WEA test.
The WEA test message will be sent to cell phones that are connected to wireless providers participating in WEA.
The nationwide test will pop a message box up on your phone, accompanied by a tone and vibration. A similar wireless emergency alert test message has been sent to all cell phones nationwide.
The test was supposed to happen on September 20, but was pushed back to October 3, which is tomorrow.
Johnson said the system will be used to notify US citizens of certain events of "national significance".
The test is for the Wireless Emergency Alert system in coordination with the Federal Communications Commission.
For more information on the test, visit the FEMA website here. The message will be active for approximately 30 minutes, so users could receive the alert within that time frame.