(Yuba-Sutter, CA) — About 11:20 tomorrow morning, your phones, along with TV and radio will be interrupted by an emergency test alert from FEMA and the FCC. Officials say there is no cause for alarm.

The purpose of the alert is to ensure those systems remain an effective means of warning the public. This nationwide test is part of an ongoing program to make sure communities can warn residents in the case of an actual emergency.