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Multi-instrumental observations of a positive gigantic jet produced by a winter thunderstorm in Europe


Reference:

van der Velde, O. A., Bor, J., Li, J. B., Cummer, S. A., Arnone, E., Zanotti, F., Fullekrug, M., Haldoupis, C., NaitAmor, S. and Farges, T., 2010. Multi-instrumental observations of a positive gigantic jet produced by a winter thunderstorm in Europe. Journal of Geophysical Research, 115 (D24), D24301.

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    Official URL:

    http://dx.doi.org/10.1029/2010jd014442

    Abstract

    At 2336:56 UTC on 12 December 2009, a bright gigantic jet (GJ) was recorded by an observer in Italy. Forty-nine additional sprites, elves, halos and two cases of upward lightning were observed that night. The location of the GJ corresponded to a distinct cloud top (-34 degrees C) west of Ajaccio, Corsica. The GJ reached approximately 91 km altitude, with a "trailing jet" reaching 49-59 km, matching with earlier reported GJs. The duration was short at 120-160 ms. This is the first documented GJ which emerged from a maritime winter thunderstorm only 6.5 km tall, showing high cloud tops are not required for initiation of GJs. In the presence of strong vertical wind shear, the meteorological situation was different from typical outbreaks of fall and winter thunderstorms in the Mediterranean. During the trailing jet phase of the GJ, a sprite with halo triggered by a nearby cloud-to-ground lightning flash occurred at a relatively low altitude (

    Details

    Item Type Articles
    Creatorsvan der Velde, O. A., Bor, J., Li, J. B., Cummer, S. A., Arnone, E., Zanotti, F., Fullekrug, M., Haldoupis, C., NaitAmor, S. and Farges, T.
    DOI10.1029/2010jd014442
    DepartmentsFaculty of Engineering & Design > Electronic & Electrical Engineering
    Research CentresCentre for Space, Atmospheric and Oceanic Science
    Publisher StatementFullekrug_JGR_2010_115_D24301.pdf: Copyright 2010 by the American Geophysical Union
    RefereedYes
    StatusPublished
    ID Code22401

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