I remember being told that when you see a flash of lightning and start counting until you hear the thunderclap, the number you have counted to will amount to the number of miles distant the storm is. Is this true? If not, is there any way of calculating the distance based on the observed time difference between lightning and thunder?
n You can estimate the distance lightning is from you by counting seconds until you hear thunder, but it equates to more than 1 second per mile.
Sound travels at approximately 343 metres per second in air at 20°C. That…
