Analysis of sprite activity over the territory of Russia based on WWLLN data for 2015-2021

Andrey A. Evtushenko; Ekaterina K. Svechnikova; Alexander S. Kudryavtsev

doi:10.1117/12.2690877

17 October 2023 Analysis of sprite activity over the territory of Russia based on WWLLN data for 2015-2021

Andrey A. Evtushenko, Ekaterina K. Svechnikova, Alexander S. Kudryavtsev

Proceedings Volume 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 127807I (2023) https://doi.org/10.1117/12.2690877
Event: XXIX International Symposium "Atmospheric and Ocean Optics, Atmospheric Physics", 2023, Moscow, Russian Federation

Abstract

Sprites occur in the mesosphere as the result of intense cloud-to-ground tropospheric discharges, giving us the opportunity to parameterize the relation of lightning discharges and sprites. A study of sprites over the territory of Russia was carried out using the global parameterization proposed earlier by the authors and data of the World Wide Lightning Location Network (WWLLN) on lightning discharges with a peak current exceeding 15 kA for 2015-2021. The annual number of such discharges averages about 6.2∙10⁵ varies from 3.5∙10⁵ in 2019 to 7.5∙10⁵ in 2015. As a result of applying the original parameterization, it was found that the average annual number of sprites over Russia is about 1187 and significantly varies from 394 in 2019 to 2354 in 2015. The most intense sprite activity almost always occurs in July, but in some years a shift to June (2015) and August (2021) is possible. The highest number of sprites occurs mainly in three regions: Krasnodar area, Altai, and Far East. While Altai shows the most consistent sprite activity from year to year, the variability in the Krasnodar region is the highest.

Citation Download Citation

Andrey A. Evtushenko, Ekaterina K. Svechnikova, and Alexander S. Kudryavtsev "Analysis of sprite activity over the territory of Russia based on WWLLN data for 2015-2021", Proc. SPIE 12780, 29th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 127807I (17 October 2023); https://doi.org/10.1117/12.2690877

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