Results 241 to 250 of about 7,157 (269)

Lightning flash properties derived from Lightning Mapping Array data [PDF]

2014 International Conference on Lightning Protection (ICLP), 2014
in this paper size and duration of lightning flashes are examined. Data from the Ebro Valley Laboratory Lightning Mapping Array is used as reference. Additional data from the VLF/LF LINET network and meteorological radar is included. In order to simplify the complex geometry of a lightning flash, each flash is described by a confidence ellipse fitting ...
Montañá Puig, Juan, Van der Velde, Oscar Arnoud, Solà de las Fuentes, Glòria, Fabró Tàpia, Ferran, Romero Durán, David, Pineda Ruegg, Nicolau, Argemí Ribera, Oriol   +6 more
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Mapping lightning processes using fuzzy inference system [PDF]

2002 IEEE World Congress on Computational Intelligence. 2002 IEEE International Conference on Fuzzy Systems. FUZZ-IEEE'02. Proceedings (Cat. No.02CH37291), 2003
This paper describes a novel approach for mapping lightning processes using fuzzy logic. The core regarding lightning process is to identify and to model those uncertain information on mathematical principles. In fact, the lightning process involves several nonlinear features that our current mathematical tools would not be able to model.
André Nunes de Souza, Ivan Nunes da Silva, Maria Goretti Zago, Rogério Andrade Flauzino   +3 more
openaire   +2 more sources

Spatio-temporal dimension of lightning flashes based on three-dimensional Lightning Mapping Array [PDF]

Atmospheric Research, 2017
3D mapping system like the LMA - Lightning Mapping Array - are a leap forward in lightning observation. LMA measurements has lead to an improvement on the analysis of the fine structure of lightning, allowing to characterize the duration and maximum ...
OSCAR van der Velde, Nicolau Pineda, David Romero Duran   +2 more
exaly   +2 more sources

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A Spatiotemporal Lightning Risk Assessment Using Lightning Mapping Data

Weather, Climate, and Society, 2021
AbstractA lightning risk assessment for application to human safety was created and applied in 10 west Texas locations from 2 May 2016 to 30 September 2016. The method combined spatial lightning mapping data, probabilistic risk calculation adapted from the International Electrotechnical Commission Standard 62305-2, and weighted average interpolation to
Kelley M. Murphy, Eric C. Bruning, Christopher J. Schultz, Jennifer K. Vanos   +3 more
openaire   +1 more source

Lightning mapping interferometer observations on lightning discharge

2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 2017
The temporal and spatial development characteristics of a rocket-triggered lightning and a nature lightning flash with multiple-ground terminations are discussed, using two-dimensional lightning radiation sources mapping result based on short-baseline time-difference of arrival (TDOA) technology along with simultaneous observations of high-speed camera
Zhuling Sun, Xiushu Qie, Mingyuan Liu, Rubin Jiang, Hongbo Zhang   +4 more
openaire   +1 more source

The CHUVA Lightning Mapping Campaign [PDF]

, 2011
The primary science objective for the CHUVA lightning mapping campaign is to combine measurements of total lightning activity, lightning channel mapping, and detailed information on the locations of cloud charge regions of thunderstorms with the planned ...
Goodman, Steven J., Blakeslee, Richard J., Bailey, Jeffrey C., Carey, Lawrence D., Höller, Hartmut, Albrecht, Rachel I., Machado, Luiz A., Morales, Carlos, Pinto, Osmar, Saba, Marcelo M., Naccarato, Kleber, Hembury, Nikki, Nag, Amitabh, Heckman, Stan, Holzworth, Robert H., Rudlosky, Scott D., Betz, Hans-Dieter, Said, Ryan, Rauenzahn, Kim   +18 more
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Mapping lightning fatality risk

2014 International Conference on Lightning Protection (ICLP), 2014
A new method to calculate lightning fatality risk is presented. This new method uses GIS software to multiply lightning flash density and population density on a grid and display the results on a map. The method is verified against observed lightning fatalities in the United States and appears to work well.
William P. Roeder, Benjamin H. Cummins, Walker S. Ashley, Ronald L. Holle, Kenneth L. Cummins   +4 more
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Lightning duration and area from geostationary Lightning Mapping Imager based on a modified lightning cluster algorithm

Atmospheric Research
Yang Ao, Xiang Ni, Fuxiang Huang, Wen Hui, Xiaodong Zhang   +4 more
exaly   +2 more sources

Radar Precipitation Maps as Lightning Indicators

Journal of Applied Meteorology, 1978
Abstract Radar maps of precipitation at a height of 6 km have been studied for the thunderstorms of one July day. Regions on these maps within which the intensity level exceeds 30 dBZ (corresponding to a rainfall rate of 2.8 mm h−1) represent thunderstorms, some single-celled and some multi-celled.
J. S. Marshall, S. Radhakant
openaire   +1 more source