Энергия и суточный ход молниевой активности в локациях пожаров от гроз на территории Республики Алтай

Abstract

The article presents the results of a study of the thunderstorm activity diurnal rate and the energy parameters of lightning discharges in locations of thunderstorm fires. The Altai Republic territory serves as the region of research, fire data were obtained from the Ministry of Natural Resources, Ecology and Tourism of the Altai Republic and the Altai State Nature Biosphere, data on thunderstorm activity were provided by the World Wide Lightning Location Network (WWLLN). The study period covers May to October from 2016 to 2020. It was found that the maximum thunderstorm activity shifts from the second half of the day (15-16 hours) to the evening (18-19 and 21 hours) in the days preceding fires. Regularities in hourly dynamics of discharge energy for the territory of the republic were identified - median values gradually increasing from the first half of the day to the evening and decreasing at night and in the morning. It was also established that in the days preceding fires, there is an increase in median discharge energy (by 13 % from the usual value), as well as an increase in values of the first quartile of discharge energy (by 27 % from the usual value).