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Автор Nisbet, John S.
Автор Barnard, Theresa A.
Автор Forbes, Gregory S.
Автор Krider, E. Philip
Автор Lhermitte, Roger
Автор Lennon, Carl L.
Дата выпуска 1990
dc.description A coordinated analysis of the Thunderstorm Research International Project storm of July 11, 1978, from 1900 to 2000 UT at the Kennedy Space Center is presented using data from three Doppler radars, a lightning detection and ranging system and a network of 25 electric field mills, and rain gages. This storm produced two cells for which the center of the updraft remained within range of the observational network. Electric field measurements were used to analyze the charge moments transferred by lightning flashes. An attempt was made to analyze as large a percentage as possible of the flashes so that the measurements would be usable to study the charge moment transferred by lightning in the storm. These data were fitted to Weibull distributions which were used to estimate statistical parameters of the lightning for both intracloud and cloud‐to‐ground flashes and to estimate the fraction of the flashes which were below the observation threshold for the two cells studied. The displacement and conduction current densities were calculated throughout the storm from electric field measurements between flashes, and data are presented of values at 5‐min intervals throughout the storm. These values were used to derive the magnitudes and locations of dipole and monopole generators by least squares fitting the measured Maxwell current densities to the displacement‐dominated equations. Constrained fitting was used to examine the uniqueness of the solutions.
Формат application.pdf
Копирайт Copyright 1990 by the American Geophysical Union.
Тема ATMOSPHERIC COMPOSITION AND STRUCTURE
Тема Cloud physics and chemistry
Тема ATMOSPHERIC PROCESSES
Тема Meteorology and Atmospheric Dynamics: Atmospheric electricity
Тема Meteorology and Atmospheric Dynamics: Lightning
Название A case study of the Thunderstorm Research International Project storm of July 11, 1978: 1. Analysis of the data base
Тип article
DOI 10.1029/JD095iD05p05417
Electronic ISSN 2156-2202
Print ISSN 0148-0227
Журнал Journal of Geophysical Research: Atmospheres
Том 95
Первая страница 5417
Последняя страница 5433
Выпуск D5

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