【實用天氣app】Lightning distance|最夯免費app-綠色工廠好玩App

Estimate the distance to a lightning storm based on the time delay between the flash and the thunder. Press the binoculars button when you see the flash and the headphones button when you hear the thunder. The app will calculate the approximate distance to the lightning storm. This app can also be used in other scenarios, such as fireworks (the principle is the same).