It was one for the record books, a lightning flash that reached from eastern Texas to Kansas City. It happened back on Oct. 22, 2017. The World Meteorological Organization has now confirmed the 515-mile-long "megaflash" is a new world record for the longest lightning discharge.

A lightning flash tore across the sky above the Great Plains, stretching across a staggering 515 miles (829 kilometers) from eastern Texas to Kansas City. That “megaflash” shattered the previous record for longest lightning flash of 477 miles (768 kilometers), set in 2023.

Lightning is a familiar sight in stormy skies, but a new report has revealed just how far some bolts can travel — in one case, more than 500 miles.