Authors: Pitri Bhakta Adhikari
Addresses: Department of Physics, Tri-Chandra M. Campus, Tribhuvan University, Kathmandu, Nepal
Abstract: Unique lightning signatures have been observed from sub-tropical, mountainous country, Nepal. These signatures were observed by measuring the electric field using a simple circuit and antenna system. The unique unusual signatures analysed are assumed to be positive ground flashes. These lightning signatures were each characterised by a relatively slow, negative electric field events preceded by a pronounced opposite-polarity pulse. The average durations of the main waveform was 523.84 μs and the average duration of preceding opposite-polarity pulses was 37.99 μs.
Keywords: unique waveforms; unusual lightning; Himalaya's thunderstorm; opposite polarity-pulses; Nepal.
International Journal of Hydrology Science and Technology, 2021 Vol.11 No.4, pp.405 - 414
Received: 23 Jul 2019
Accepted: 29 Nov 2019
Published online: 07 Jun 2021 *