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About the Authors
Sergey V. Pyankov
Rinat K. Abdullin
15, Bukireva str., Perm, 614990, Russia,
Andrey N. Shikhov
15, Bukireva str., Perm, 614990, Russia,
Abstract
In the presented study, we considered the patterns of the spatial distribution of local convective severe weather events (linear windstorms and tornadoes) on the territory of Perm Region, as well as their relationship with the spatial distribution of lightning activity and convective atmospheric parameters according to the ERA5 reanalysis data. Data on squalls and tornadoes were compiled using several sources, the main one being satellite images of forest damage caused by these storms. We analyzed a total of 397 squall and tornado events from 1984–2024. We also calculated the proportion of the windthrow area caused by these events from the total forest area, and the same from the area of mixed and coniferous forests. The spatial distribution of lightning activity was assessed using the WWLLN lightning detection network data. On the basis of the obtained data, we developed a series of maps of the spatial distribution of squalls and tornadoes, windstorms, lightning activity and recurrence of over-critical values of convective atmospheric parameters according to the ERA5 reanalysis data. As a result of their comparison, it is found that there is no correlation between the spatial distribution of the events and windthrow (on the one hand) and lightning activity and convective parameters (on the other hand). This can be explained by the small area of the analyzed territory, as well as by the fact that windthrow areas are more widespread in the north part of Perm Region, where forests are more vulnerable to wind damage, while the highest values of convective parameters according to the ERA5 data are observed in the southern and eastern parts of the region. Nevertheless, the maximum density of squall and tornado events in the northwest of the region is confirmed by the local maximum of lightning activity in this area, which allows us to consider this maximum as a real one.
Keywords
References
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For citation: Pyankov S.V., Abdullin R.K., Shikhov A.N. Mapping of convective hazardous weather events based on various data sources (on the example of the Perm Region). InterCarto. InterGIS. Moscow: MSU, Faculty of Geography, 2025. V. 31. Part 1. P. 325–340. DOI: 10.35595/2414-9179-2025-1-31-325-340 (in Russian)









