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Why does some thunder sound deeper and lower in pitch while others sound snappier and higher in pitch? I don't think there should be any difference between the lightnings and so the thunders sound be identical in sound.

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  • $\begingroup$ You may be interested in reading two articles by Andrew Glassner, where he describes how to generate thunder using software: Part 1 and Part 2 $\endgroup$ Sep 30, 2014 at 20:36

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Higher frequencies attenuate faster in air than lower frequencies. The further away a lightning flash the less high frequency components will reach your ear

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  • $\begingroup$ Plus it dpends on many factors, the sound is produced by (charged) nebula which come into contact and discharge,as such the density/size/shape etc of nebula involved makes a difference $\endgroup$
    – Nikos M.
    Sep 30, 2014 at 11:14
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    $\begingroup$ Also rain, cloud and moisture all affect the way sound is absorbed at different frequencies. Additionally, low frequencies suffer more diffraction effects. I suppose the complete answer is quite complex. $\endgroup$
    – user56903
    Sep 30, 2014 at 11:16
  • $\begingroup$ ok sure, but we can make it more self-contained as possible! $\endgroup$
    – Nikos M.
    Sep 30, 2014 at 11:18

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