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Simultaneous observations of optical lightning and terrestrial gamma ray flash from space

Publication ,  Journal Article
Østgaard, N; Gjesteland, T; Carlson, BE; Collier, AB; Cummer, SA; Lu, G; Christian, HJ
Published in: Geophysical Research Letters
May 28, 2013

We present the very first simultaneous detection from space of a terrestrial gamma ray flash (TGF) and the optical signal from lightning. By fortuitous coincidence, two independent satellites passed less than 300 km from the thunderstorm system that produced a TGF that lasted 70 μs. Together with two independent measurements of radio emissions, we have an unprecedented coverage of the event. We find that the TGF was produced deep in the thundercloud at the initial stage of an intracloud (IC) lightning before the leader reached the cloud top and extended horizontally. A strong radio pulse was produced by the TGF itself. This is the first time the sequence of radio pulses, TGF, and optical emissions in an IC lightning flash has been identified. ©2013. American Geophysical Union. All Rights Reserved.

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Published In

Geophysical Research Letters

DOI

EISSN

1944-8007

ISSN

0094-8276

Publication Date

May 28, 2013

Volume

40

Issue

10

Start / End Page

2423 / 2426

Related Subject Headings

  • Meteorology & Atmospheric Sciences
 

Citation

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Østgaard, N., Gjesteland, T., Carlson, B. E., Collier, A. B., Cummer, S. A., Lu, G., & Christian, H. J. (2013). Simultaneous observations of optical lightning and terrestrial gamma ray flash from space. Geophysical Research Letters, 40(10), 2423–2426. https://doi.org/10.1002/grl.50466
Østgaard, N., T. Gjesteland, B. E. Carlson, A. B. Collier, S. A. Cummer, G. Lu, and H. J. Christian. “Simultaneous observations of optical lightning and terrestrial gamma ray flash from space.” Geophysical Research Letters 40, no. 10 (May 28, 2013): 2423–26. https://doi.org/10.1002/grl.50466.
Østgaard N, Gjesteland T, Carlson BE, Collier AB, Cummer SA, Lu G, et al. Simultaneous observations of optical lightning and terrestrial gamma ray flash from space. Geophysical Research Letters. 2013 May 28;40(10):2423–6.
Østgaard, N., et al. “Simultaneous observations of optical lightning and terrestrial gamma ray flash from space.” Geophysical Research Letters, vol. 40, no. 10, May 2013, pp. 2423–26. Scopus, doi:10.1002/grl.50466.
Østgaard N, Gjesteland T, Carlson BE, Collier AB, Cummer SA, Lu G, Christian HJ. Simultaneous observations of optical lightning and terrestrial gamma ray flash from space. Geophysical Research Letters. 2013 May 28;40(10):2423–2426.
Journal cover image

Published In

Geophysical Research Letters

DOI

EISSN

1944-8007

ISSN

0094-8276

Publication Date

May 28, 2013

Volume

40

Issue

10

Start / End Page

2423 / 2426

Related Subject Headings

  • Meteorology & Atmospheric Sciences