How to Calculate the Distance from Lightning

You know how it is - a thunderstorm is approaching, and suddenly you hear an absolutely deafening clap of thunder. Whoa, that sounded close! But how close is the lightning, really? It is difficult to determine the distance of a lightning bolt just by looking at it, and the volume of the thunder isn’t a good way to tell either. Read on for a simple, potentially life-saving method you can use to