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Activity Number: 85
Type: Contributed
Date/Time: Sunday, July 29, 2012 : 4:00 PM to 5:50 PM
Sponsor: Section on Statistics and the Environment
Abstract - #304359
Title: Point Process Analysis of Cloud-to-Ground Lightning Strikes in Oklahoma
Author(s): Irma Hernandez-Magallanes*+ and Marc Genton
Companies: Texas A&M University and Texas A&M University
Address: Department of Statistics, College Station, TX, 77843-0001, United States
Keywords: spatial ; temporal ; point process ; lightning
Abstract:

This work presents an analysis of cloud-to-ground lightning strikes point patterns recorded during 2006-2010 by the National Lightning Detection Network (NLDN) over the state of Oklahoma. The physical and geographical characteristics that are studied include the total cloud-to-ground flash density, the positive flash density, the percentage of positive flashes, the first stroke negative and positive peak currents, and the multiplicity for negative and positive flashes. A univariate and bivariate point process analysis is performed, where the first refers to the total cloud-to-ground lightning point pattern and the second analyses the behavior between the positive and negative lightnings. The analysis of the first and second order properties is included.


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