New World Meteorological Organization certified megaflash lightning extremes for Flash distance (709 km) and duration (16.73 s) recorded from space

Peterson, M. J.; Lang, T. J.; Bruning, E. C.; Albrecht, R.; Blakeslee, R. J.; Lyons, W. A.; Pédeboy, S.; Rison, W.; Zhang, Y.; Brunet, M.; Cerveny, R. S.

doi:10.1029/2020GL088888

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New World Meteorological Organization certified megaflash lightning extremes for Flash distance (709 km) and duration (16.73 s) recorded from space

2020
By Peterson, M. J. ; Lang, T. J. ; Bruning, E. C. ; ...
Source: Geophysical Research Letters 47(16): e2020GL088888

[PDF-2.69 MB]

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Journal Title:

Geophysical Research Letters
Personal Author:

Peterson, M. J. ; Lang, T. J. ; Bruning, E. C. ; Albrecht, R. ; Blakeslee, R. J. ; ... More +

Peterson, M. J. ; Lang, T. J. ; Bruning, E. C. ; Albrecht, R. ; Blakeslee, R. J. ; Lyons, W. A. ; Pédeboy, S. ; Rison, W. ; Zhang, Y. ; Brunet, M. ; Cerveny, R. S. Less -
NOAA Program & Office:

CISESS (Cooperative Institute for Satellite Earth System Studies)
Description:

Identification and validation of atmospheric extremes are essential to monitoring climate change, to addressing engineering and safety concerns, and to promoting technological advancement. An international World Meteorological Organization evaluation committee has critically adjudicated and recommended acceptance of two lightning megaflash events (horizontal mesoscale lightning discharges of >100 km in length) as new global extremes using analysis of Geostationary Lightning Mapper data. The world's greatest extent for an individual lightning flash is a single flash that covered a horizontal distance of 709 ± 8 km (441 ± 5 mi) across parts of southern Brazil on 31 October 2018. The greatest duration for a single lightning flash is 16.730 ± 0.002 s from a flash that developed continuously over northern Argentina on 4 March 2019.
Keywords:

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Lightning Remote Sensing World Meteorological Organization
Source:

Geophysical Research Letters 47(16): e2020GL088888
DOI:

https://doi.org/10.1029/2020GL088888
Document Type:

Journal Article
Funding:

Grant no. NA19NES4320002
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urn:sha256:3bd4574bc39122d20e9cdc028cc8ee891c92790520a184b52ebb04e6b4a6b169
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https://repository.library.noaa.gov/view/noaa/48108/noaa_48108_DS1.pdf
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