Just before this discharge occurs, is between the cloud and the ground in certain places voltages up to several hundred thousand, as well as over a million V/m (the same case, do not measure there anything in person).
Tu kabla ya kutokwa hii Hupatikana, na Kati ya wingu na ardhi katika maeneo voltages Baadhi hadi laki kadhaa, kama vile juu ya V milioni / m (wakati huo, wala kipimo chochote huko katika mtu).