J
John Hall
Researcher at University of Alabama
Publications - 16
Citations - 2112
John Hall is an academic researcher from University of Alabama. The author has contributed to research in topics: Lightning & Thunderstorm. The author has an hindex of 10, co-authored 16 publications receiving 1922 citations. Previous affiliations of John Hall include Science Applications International Corporation & University of Alabama in Huntsville.
Papers
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Journal ArticleDOI
Global frequency and distribution of lightning as observed from space by the Optical Transient Detector
Hugh J. Christian,Richard J. Blakeslee,Dennis J. Boccippio,William L. Boeck,Dennis E. Buechler,Kevin T. Driscoll,Steven J. Goodman,John Hall,William J. Koshak,Douglas M. Mach,M. F. Stewart +10 more
TL;DR: In this article, the authors used the OTD measurements to construct lightning climatology maps that demonstrate the geographical and seasonal distribution of lightning activity for the globe, and found that lightning occurs mainly over land areas, with an average land/ocean ratio of 10:1.
The Lightning Imaging Sensor
Hugh J. Christian,Richard J. Blakeslee,Steven J. Goodman,Douglas A. Mach,M. F. Stewart,Dennis E. Buechler,William J. Koshak,John Hall,William L. Boeck,Kevin T. Driscoll,Dennis J. Boccippio +10 more
TL;DR: The Lightning Imaging Sensor (LIS) is a NASA Earth Observing System (EOS) instrument on the Tropical Rainfall Measuring Mission (TRMM) platform designed to acquire and investigate the distribution and variability of total lightning (i.e., cloud-to-ground and intracloud) between q35' in latitude.
Journal ArticleDOI
The North Alabama Lightning Mapping Array: Recent Severe Storm Observations and Future Prospects
Steven J. Goodman,Richard J. Blakeslee,Hugh J. Christian,William J. Koshak,Jeffrey C. Bailey,John Hall,Eugene W. McCaul,Dennis E. Buechler,Christopher B. Darden,J. Burks,T. Bradshaw,Patrick Gatlin +11 more
TL;DR: The North Alabama Lightning Mapping Array (LMA) as mentioned in this paper is a test bed for the NEXRAD WSR-88D Doppler radar and has been used to measure the total lightning activity of a large number of severe weather events, including three supercell tornado outbreaks, two supercell hailstorm events and numerous microburst-producing storms and ordinary non-severe thunderstorms.
Journal ArticleDOI
North Alabama Lightning Mapping Array (LMA): VHF Source Retrieval Algorithm and Error Analyses
William J. Koshak,Richard J. Solakiewicz,Richard J. Blakeslee,Steven J. Goodman,Hugh J. Christian,John Hall,Jeffrey C. Bailey,E. P. Krider,Monte G. Bateman,Dennis J. Boccippio,Douglas M. Mach,Eugene W. McCaul,M. F. Stewart,Dennis E. Buechler,Walter A. Petersen,Daniel J. Cecil +15 more
TL;DR: The mathematical difference between the first-guess linear solution and the Marquardt-iterated solution is rigorously established thereby explaining why marquardt iterations improve upon the linear solution.
Journal ArticleDOI
Lightning mapping observation of a terrestrial gamma-ray flash
Gaopeng Lu,Richard J. Blakeslee,Jingbo Li,David M. Smith,Xuan-Min Shao,Eugene W. McCaul,Dennis E. Buechler,Hugh J. Christian,John Hall,Steven A. Cummer +9 more
TL;DR: In this paper, the authors report the observation with the North Alabama Lightning Mapping Array (LMA) related to a terrestrial gamma-ray flash (TGF) detected by RHESSI on 26 July 2008.