Here will be mentioned just a simplified few basic facts about the negative cloud to ground lightning (the most common case, 4 chapter of the book, pages 108 - 191).
Hapa itakuwa zilizotajwa tu kilichorahisishwa chache ukweli wa msingi kuhusu wingu hasi kwa umeme ardhi (kesi ya kawaida, 4 sura ya kitabu kurasa, 108-191).