Articles | Volume 21, issue 6
Nat. Hazards Earth Syst. Sci., 21, 1909–1919, 2021
https://doi.org/10.5194/nhess-21-1909-2021
Nat. Hazards Earth Syst. Sci., 21, 1909–1919, 2021
https://doi.org/10.5194/nhess-21-1909-2021

Research article 18 Jun 2021

Research article | 18 Jun 2021

Global ground strike point characteristics in negative downward lightning flashes – Part 1: Observations

Dieter R. Poelman et al.

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Cited articles

Ballarotti, M. G., Medeiros, C., Saba, M. M. F., Schulz, W., and Pinto Jr., O.: Frequency distributions of some parameters of negative downward lightning flashes based on accurate-stroke-count studies, J. Geophys. Res., 117, D06112, https://doi.org/10.1029/2011JD017135, 2012. 
Biagi, C. J., Cummins, K. L., Kehoe, K. E., and Krider, E. P.: National Lightning Detection Network (NLDN) performance in southern Arizona, Texas, and Oklahoma in 2003–2004, J. Geophys. Res., 112, D05208, https://doi.org/10.1029/2006JD007341, 2007. 
Bouquegneau, C.: The need for an international standard on Lightning Location Systems, in: 23rd International Lightning Detection Conference, 18–19 March 2014, Tucson, Arizona, USA, 2014. 
Bürgesser, R. E.: Assessment of the World Wide Lightning Location Network (WWLLN) detection efficiency by comparison to the Lightning Imaging Sensor (LIS), Q. J. Roy. Meteor. Soc., 143, 2809–2817, https://doi.org/10.1002/qj.3129, 2017. 
Cooray, V. and Jayaratne, K. P. S. C.: Characteristics of lightning flashes observed in Sri Lanka in the tropics, J. Geophys. Res., 99, 21051–21056, https://doi.org/10.1029/94JD01519, 1994. 
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Information about lightning properties is important in order to advance the current understanding of lightning, whereby the characteristics of ground strike points are in particular helpful to improving the risk estimation for lightning protection. High-speed video recordings of 1174 negative downward lightning flashes are taken in different regions around the world and analyzed in terms of flash multiplicity, duration, interstroke intervals and ground strike point properties.
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