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The Earth's Electrical Environment (1986) / Chapter Skim
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Pages 54-55

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From page 54...
... This attenuation process differs from the other microscopic processes in that it can be effective at the lower frequencies. The magnitude of this effect plus the enhanced attenuation by viscous and heat conduction at the surface exceed that of particle-free air by a factor of 10 or greater depending on the type, size, and concentration of the cloud particles (Kinsler and Frey, 1962)
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From page 55...
... ACOUS TIC RADIA TIONS FROM LIGHTNING found that turbulence on the scale of the acoustic wavelength and smaller could be treated with scattering theory. Turbulence larger than acoustic wavelengths, up to and including storm-scale motions, should be describable by geometric acoustics or ray theory.
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Key Terms

  • cloud particles
  • thunder signal


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