The clever saying, "when thunder roars, go indoors" is a great way to teach your kids summer storm safety.The warmth and humidity that summer brings can make for some great pool or lake days. But, it can also create severe thunderstorms that can do damage to your homes and even your own health. Unfortunately, if you're outside when a thunderstorm hits, there's no safe spot for you. If you hear thunder, that means lightning is not that far away from striking. A common safety phrase you might want to teach your children is, "when thunder roars, go indoors." What are some simple lightning safety tips? Dr. Deborah Mulligan shares essential lightning and thunderstorm safety protocol.