The paper presents the results of experimental studies of the relationship between the thunderstorm activity of convective clouds and hail formation processes based on the data of the lightning direction-finding network and MRL-5 radars. From the extensive observational material, selected materials on the evolution of 30 powerful convective clouds that developed in the territory of North Ossetia-Alania in 2024 were analyzed. A significant change in the amplitude of lightning currents of positive and negative polarities was revealed when seeding a hail cloud with crystallizing reagents. This conclusion is shown on the examples of hail clouds that developed in the territory of North Ossetia-Alania on June 7 and June 25, 2024. It is shown that the impact on hail leads to a significant decrease in the amplitude of ground lightning of negative polarity. After the reagent was introduced into the cloud, positive lightning was not recorded in the cloud.
Аджиев et al. (Tue,) studied this question.
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