A transcript of the April 6th special. View an online stream of the special. What you should know to face a severe storm. A list of important phone numbers you'll need. Did you know lightning strikes the earth 100 times every second.
More people die from lightning than tornadoes and hurricanes combined.
When a thunderstorm threatens, get inside a home or large building. Avoid using any electronic devices and only use the telephone if there is an emergency. Remember, nature's most beautiful display is also one of its most dangerous. Measuring a Tornado Tornadoes form from thunderstorms. A weak tornado may have a life span of 1-3 minutes and a path length of less than a mile.