Record-breaking lightning flash stretched 515 miles across the U.S.

A newly confirmed lightning event has set the world record for the longest lightning flash ever recorded — stretching an astonishing 515 miles across the southern United States.The “megaflash” occurred on October 22, 2017, but was only recently verified after meteorologists analyzed data from the GOES-16 weather satellite. The lightning bolt extended from eastern Texas to near Kansas City, Missouri, surpassing the previous record of 477 miles set in 2020.What is a Megaflash?A “megaflash” refers