Although weather ranks very high on lists of causes of property damage in the United States (think flood, hail, frozen water pipes, etc.), it hardly shows up on lists of causes of death. Even if natural causes of death are removed, weather is not a high-ranking killer. You are approximately 300 times more likely to die in a car accident than in a tornado.
Statistics, however, easily create opportunities for misinterpretation.
You never know when a car accident is going to occur, but you are far more likely to become a victim of a tornado when you are within the boundaries of a tornado watch or a tornado warning. That's why all families and businesses should have a tornado plan that includes when and where shelter will be taken and how will people reconnect afterwards in case cell phone service is disrupted.