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The charge structure of a winter thunderstorm often differs from a summer one because

  • A.no ice at all is present in winter storms
  • B.charging ceases entirely below zero degrees Celsius
  • C.winter storms have no updraughts of any kind at all
  • D.the charge centres lie much closer to the ground

Answer: D

The lower freezing level brings the charging region down towards the surface. Winter storms in coastal Japan are noted for producing unusually energetic positive flashes. The low freezing level brings the charge centres down.

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