There are 1,200 tornadoes in the U.S. every year on average, but in recent years they have been clustering far more often than usual. In the Southeastern states especially, tornado clusters have been extremely destructive and have caused multiple deaths and injuries just in recent months.

If you live in Tornado Alley or Southeastern states, you’ve surely seen the destruction firsthand and know how quickly these cyclones can appear.

Here’s some quantifiable data to show just how bad these storms can be:

On average, there’s only a 13-minute warning time before a tornado strikes. The can strike at any time, anywhere, as long as the …