If you hear a screeching alert go off on your cell phone – and everyone else’s cell phone – this Wednesday at 2:20 pm ET, don’t panic. The federal government said it will conduct on Wednesday afternoon a nationwide test of its Emergency Alert System and Wireless Emergency Alerts. The EAS portion of the test will send an emergency alert to all radios and televisions, while the WEA portion of the test will direct alerts to all consumer cell phones. FEMA said no action is required by you after you receive the emergency alert test on your phone or hear it through the radio or TV. Read more at the link in bio. 📷: Klaus Vedfelt/Digital Vision/Getty Images