A civil authority has issued A REQUIRED MONTHLY TEST for the following counties or areas: Arizona; at 4:40 AM on DEC 11, 2024 Effective until 7:40 AM. Message from WOLF/IP. This is a test of the Emergency Alert System, originated by the Arizona Department of Public Safety. If this had been an actual emergency, important information or instructions would have followed the tones you just heard. This concludes this test.