Variations of the surface electric field during the passage of the MCC on the example of Tomsk

Maria V. Oglezneva; Tatyana S. Koshikova; Petr M. Nagorskiy; Konstantin N. Pustovalov; Sergei V. Smirnov

doi:10.1117/12.2603459

15 December 2021 Variations of the surface electric field during the passage of the MCC on the example of Tomsk

Maria V. Oglezneva, Tatyana S. Koshikova, Petr M. Nagorskiy, Konstantin N. Pustovalov, Sergei V. Smirnov

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119166W (2021) https://doi.org/10.1117/12.2603459
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

The slow variations of electric field potential gradient were investigated during the passage of mesoscale convective complexes (MCC) over the city of Tomsk. Variations of potential gradient during the MCC are characterized by prolonged periods of negative disturbance related with the passage of the base of the cloud system, which has mainly a negative charge, according to 31 cases. The positive disturbance has a shorter duration and is linked to the anvil. Variations of electric field potential gradient under the effect of MCC have an average duration of 2 hours and an amplitude of 12 kV/m.

Citation Download Citation

Maria V. Oglezneva, Tatyana S. Koshikova, Petr M. Nagorskiy, Konstantin N. Pustovalov, and Sergei V. Smirnov "Variations of the surface electric field during the passage of the MCC on the example of Tomsk", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119166W (15 December 2021); https://doi.org/10.1117/12.2603459

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