Tornado warnings often come in the middle of the night. Set up at least two of these free ways to get warned, so one failing doesn't leave you in the dark.
Your phone can get tornado and flash flood warnings from the government for wherever you are, even without any app. Make sure they're turned on.
iPhone
Open Settings and tap Notifications.
Scroll all the way to the bottom to Government Alerts.
Turn on Emergency Alerts and Public Safety Alerts. Leave Always Deliver on so alerts sound even when your phone is silenced or on Do Not Disturb.
Android
Open Settings and search for emergency alerts. On most phones it's under Safety & emergency → Wireless emergency alerts.
Turn on Allow alerts, Extreme threats and Severe threats.
Make sure alert sounds and vibration are on.
Good to know
Phone emergency alerts only go out for the most dangerous warnings, like tornado and flash flood warnings. They don't include severe thunderstorm warnings or watches.
2. NorthBamaWX push alerts (free)
Get every tornado, severe thunderstorm and flash flood warning and watch for our 15 counties the moment it's issued. No account and no ads.