Lightning Formula

Air is the perfect medium for the sound to travel and the speed of the sound depends on factors like temperature and humidity. The lightning formula is dependent on the distance at which lightning happens, the speed of sound in the air, time interval between flash and thunder.

To Find The Distance Of Lightning

d = s * t


  • d is the distance to the lightning
  • s is the speed of sound in air
  • t is the elapsed time between lightning flash and thunder

Note : speed of sound ranges between 1100 to 1200 feet per second.

To Find The Speed Of Sound

\(\begin{array}{l}s = \frac{d}{t}\end{array} \)

Finding The Time Interval Between Flash And Thunder

\(\begin{array}{l}t = \frac{d}{s}\end{array} \)

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