REMINDER: Tomorrow, 10/3 at 2:18 PM EDT, there will be a nationwide test of the Wireless Emergency Alert system, in coordination w/ @FCC. You’ll get a message on your phone with a tone & vibration. This is not a text & your phone number is not shared with anyone. pic.twitter.com/317vmFA1vY

— Homeland Security (@DHSgov) October 2, 2018