Figures formed soon after thunderstorms also possible, see http://www.iccra.com. Possible, that in some of that cases, there "worked" two thunderstorms (and lightnings) exactly on that same place, the first lightning appeared some weeks before the second, only brought new ground for "next painting", had made a flat of several hectares with weakened crop, but not as weakened as to be lodged (damaged, weakened), even after weeks.
Takwimu sumu mara tu baada ya ngurumo pia Inawezekana, kuona http://www.iccra.com . Inawezekana, Kwamba Kwamba katika baadhi ya kesi, kuna "kazi" ngurumo mbili (na umeme) hasa juu ya mahali Hiyo Same, umeme kwanza alionekana baadhi ya wiki kabla ya pili, tu Kuletwa ardhi mpya kwa ajili ya "uchoraji ujao," nyoka alifanya ya gorofa kadhaa hekta kwa mazao dhaifu, lakini si kama dhaifu kama kuwa walifungua `atakuwa (kuharibiwa, dhaifu), hata baada ya wiki. umeme ijayo uweza kazi rahisi, na takwimu kutenguliwa kwa Hiyo inaweza kuonekana Mara au kwa masaa.