Emergency Alert System to Be Conducted on Aug. 7, 2019

FEMA, in coordination with the Federal Communications Commission (FCC), will conduct a nationwide test of the Emergency Alert System (EAS) on Aug. 7, 2019 at 2:20 p.m. EDT. The test will assess the operational readiness of the infrastructure for distribution of a national message and determine whether improvements are needed.
More details, see https://www.fema.gov/emergency-alert-test.