New World Meteorological Organization Certified Megaflash Lightning Extremes for Flash Distance (709 km) and Duration (16.73 s) Recorded From Space

Michael J. Peterson; Timothy J. Lang; Eric C. Bruning; Rachel Albrecht; Richard J. Blakeslee; Walter A. Lyons; Stéphane Pédeboy; William Rison; Yijun Zhang; Manola Brunet; Randall S. Cerveny

doi:10.1029/2020GL088888

New World Meteorological Organization Certified Megaflash Lightning Extremes for Flash Distance (709 km) and Duration (16.73 s) Recorded From Space

Michael J. Peterson, Timothy J. Lang, Eric C. Bruning, Rachel Albrecht, Richard J. Blakeslee, Walter A. Lyons, Stéphane Pédeboy, William Rison, Yijun Zhang, Manola Brunet, Randall S. Cerveny

Geosciences

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29 Scopus citations

Abstract

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.

Original language	English
Article number	e2020GL088888
Journal	Geophysical Research Letters
Volume	47
Issue number	16
DOIs	https://doi.org/10.1029/2020GL088888
State	Published - Aug 28 2020

Keywords

extremes
flash distance
flash duration
lightning
megaflash

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10.1029/2020GL088888

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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. (2020). New World Meteorological Organization Certified Megaflash Lightning Extremes for Flash Distance (709 km) and Duration (16.73 s) Recorded From Space. Geophysical Research Letters, 47(16), Article e2020GL088888. https://doi.org/10.1029/2020GL088888

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abstract = "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.",

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author = "Peterson, {Michael J.} and Lang, {Timothy J.} and Bruning, {Eric C.} and Rachel Albrecht and Blakeslee, {Richard J.} and Lyons, {Walter A.} and St{\'e}phane P{\'e}deboy and William Rison and Yijun Zhang and Manola Brunet and Cerveny, {Randall S.}",

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Peterson, MJ, Lang, TJ, Bruning, EC, Albrecht, R, Blakeslee, RJ, Lyons, WA, Pédeboy, S, Rison, W, Zhang, Y, Brunet, M & Cerveny, RS 2020, 'New World Meteorological Organization Certified Megaflash Lightning Extremes for Flash Distance (709 km) and Duration (16.73 s) Recorded From Space', Geophysical Research Letters, vol. 47, no. 16, e2020GL088888. https://doi.org/10.1029/2020GL088888

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AU - Peterson, Michael J.

AU - Lang, Timothy J.

AU - Bruning, Eric C.

AU - Albrecht, Rachel

AU - Blakeslee, Richard J.

AU - Lyons, Walter A.

AU - Pédeboy, Stéphane

AU - Rison, William

AU - Zhang, Yijun

AU - Brunet, Manola

AU - Cerveny, Randall S.

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AB - 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.

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KW - flash distance

KW - flash duration

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KW - megaflash

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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

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Keywords

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