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For the organization of lightning protection measures, data on the nature of the distribution of lightning discharges, their number and current value over the territory are required. To this end, lightning direction finding systems are being developed and implemented in many countries around the world. Lightning direction finding technology significantly reduces the risk of lightning strikes, and also allows you to take into account thunderstorm activity in the design and placement of buildings and structures. It is aimed at minimizing serious disruptions in the power industry, mass accidents and damage to power lines, preventing the failure of sensitive electronics and communication networks, and so on, which, in turn, determines its high economic efficiency. This article discusses issues related to clustering and visual representation of long-term data on thunderstorm processes in the North Caucasus in 2009-2019. Information about lightning discharges was obtained on the basis OF ls8000 data from Vaisala using a network of lightning recorders at the geophysical situation monitoring center. The article presents a picture of the spatial and temporal distribution of thunderstorm clusters for the North Caucasus. This makes it possible to trace the dynamics of thunderstorm centers, the spatial position of thunderstorms, the characteristics of discharges per unit area and time, to determine the characteristic development trends, and to identify the main factors that affect the obtained characteristics of the spatial and temporal distributions of lightning activity.
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