WMO World Record Lightning Extremes: Longest Reported Flash Distance and Longest Reported Flash Duration

Author:

Lang Timothy J.1,Pédeboy Stéphane2,Rison William3,Cerveny Randall S.4,Montanyà Joan5,Chauzy Serge6,MacGorman Donald R.7,Holle Ronald L.8,Ávila Eldo E.9,Zhang Yijun10,Carbin Gregory11,Mansell Edward R.7,Kuleshov Yuriy12,Peterson Thomas C.13,Brunet Manola14,Driouech Fatima15,Krahenbuhl Daniel S.4

Affiliation:

1. NASA Marshall Space Flight Center, Huntsville, Alabama

2. Météorage, Pau, France

3. Department of Electrical Engineering, New Mexico Institute of Mining and Technology, Socorro, New Mexico

4. School of Geographical Sciences and Urban Planning, Arizona State University, Tempe, Arizona

5. Polytechnic University of Catalonia, Barcelona, Spain

6. Laboratoire d’Aérologie, University of Toulouse/CNRS, Toulouse, France

7. NOAA/National Severe Storms Laboratory, Norman, Oklahoma

8. Vaisala, Inc., Tucson, Arizona

9. Facultad de Matemática, Astronomía, Física y Computación, Universidad Nacional de Córdoba, Córdoba, and Instituto de Física Enrique Gaviola, Consejo Nacional de Investigaciones Científicas y Técnicas, Córdoba, Argentina

10. Laboratory of Lightning Physics and Protection Engineering, Chinese Academy of Meteorological Sciences, Beijing, China

11. NOAA/Storm Prediction Center, Norman, Oklahoma

12. Bureau of Meteorology, and School of Mathematical and Geospatial Sciences, Royal Melbourne Institute of Technology University, Melbourne, Victoria, Australia

13. Commission for Climatology, World Meteorological Organization, Asheville, North Carolina

14. Centre for Climate Change, Department of Geography, University Rovira i Virgili, Tarragona, Spain, and Climatic Research Unit, School of Environmental Sciences, University of East Anglia, Norwich, United Kingdom

15. Climate Studies Service, Direction de la Météorologie Nationale, Casablanca, Morocco

Abstract

Abstract A World Meteorological Organization weather and climate extremes committee has judged that the world’s longest reported distance for a single lightning flash occurred with a horizontal distance of 321 km (199.5 mi) over Oklahoma in 2007, while the world’s longest reported duration for a single lightning flash is an event that lasted continuously for 7.74 s over southern France in 2012. In addition, the committee has unanimously recommended amendment of the AMS Glossary of Meteorology definition of lightning discharge as a “series of electrical processes taking place within 1 s” by removing the phrase “within 1 s” and replacing it with “continuously.” Validation of these new world extremes 1) demonstrates the recent and ongoing dramatic augmentations and improvements to regional lightning detection and measurement networks, 2) provides reinforcement regarding the dangers of lightning, and 3) provides new information for lightning engineering concerns.

Publisher

American Meteorological Society

Subject

Atmospheric Science

Reference45 articles.

1. Albrecht, R. I., S. J.Goodman, W. A.Petersen, D. E.Buechler, E. C.Bruning, R. J.Blakeslee, and H. J.Christian, 2011: The 13 years of TRMM Lightning Imaging Sensor: From individual flash characteristics to decadal tendencies. Extended Abstracts, 14th Int. Conf. on Atmospheric Electricity (ICAE2011), Rio de Janeiro, Brazil, ICAE, 4 pp. [Available online at http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20110015779.pdf.]

2. Where are the lightning hotspots on Earth?;Albrecht;Bull. Amer. Meteor. Soc.,2016

3. American Meteorological Society, 2015a: Lightning discharge. Glossary of Meteorology. [Available online at http://glossary.ametsoc.org/wiki/lightningdischarge.]

4. American Meteorological Society, 2015b: Lightning flash. Glossary of Meteorology. [Available online at http://glossary.ametsoc.org/wiki/lightningflash.]

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