Summary

The world record megaflash, stretching 477 miles from Texas to Mississippi, captured by GOES-16 on 29 April 2020 at 14:32:39 UTC.

Randall Cerveny; et al. (WMO panel) (1 February 2022), "New WMO Certified Megaflash Lightning Extremes for Flash Distance (768 km) and Duration (17.01 seconds) Recorded from Space", Bulletin of the American Meteorological Society, doi: 10.1175/BAMS-D-21-0254.1

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Licensing

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