World-record lightning “megaflashes” detected using space-based technology

Credit: Los Alamos National Laboratory

Satellite image of the record lightning flash over Uruguay and Argentina on June 18, 2020, which lasted 17.102 seconds.

Credit: Los Alamos National Laboratory

Satellite image of the record lightning flash over the southern United States on April 29, 2020, which covered a horizontal distance of 477 miles.