An improved ELF/VLF method for globally geolocating sprite-producing lightning

Details An improved ELF/VLF method for globally geolocating sprite-producing lightning An improved ELF/VLF method for globally geolocating sprite-producing lightning

Feb 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29c...1p&link_type=abstract

Geophysical Research Letters, Volume 29, Issue 3, pp. 1-1, CiteID 1031, DOI 10.1029/2001GL013519

Physics

8

Meteorology And Atmospheric Dynamics: Lightning, Meteorology And Atmospheric Dynamics: Mesoscale Meteorology, Radio Science: Atmospheric Propagation, Meteorology And Atmospheric Dynamics: Atmospheric Electricity

Scientific paper

The majority of sprites, the most common of transient luminous events (TLEs) in the upper atmosphere, are associated with a sub-class of positive cloud-to-ground lightning flashes (+CGs) whose characteristics are slowly being revealed. These +CGs produce extremely low frequency (ELF) and very low frequency (VLF) radiation detectable at great distances from the parent thunderstorm. During the STEPS field program in the United States, ELF/VLF transients associated with sprites were detected in the Negev Desert, Israel, some 11,000 km away. Within a two-hour period on 4 July 2000, all of the sprites detected optically in the United States produced detectable ELF/VLF transients in Israel. All of these transients were of positive polarity (representing positive lightning). Using the VLF data to obtain the azimuth of the transients, and the ELF data to calculate the distance between the source and receiver, we remotely determined the position of the sprite-forming lightning with an average locational error of 184 km (error of 1.6%).

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