A 515-mile lightning bolt, confirmed as the world's longest, rewrites records. Learn about this incredible megaflash event.

A lightning bolt that shot across the sky from East Texas to near Kansas City, Mo., during a 2017 thunderstorm has officially been named the longest ever recorded on Earth.

An enormous, 515-mile-long flash of lightning that crossed at least three states has been named the longest in recorded history in the world. The 2017 “megaflash” stretched from eastern Texas ...

A shocking record: Lightning bolt stretched 515 miles, crossed three states The 2017 “megaflash” was more than 50 times the length of the average bolt.

This is one for the record books — a single lightning bolt stretched more than 515 miles across the U.S., from Texas to Kansas City, shattering the previous world record by 38 miles. Known as a ...

A 2017 lightning “megaflash” stretching from North Texas to Missouri was about 515 miles long, as confirmed by satellite and ground-based data.

A megaflash occurs when a lightning bolt reaches 60 miles (or 100 kilometers, to be exact). According to satellite observations, less than one percent of thunderstorms produce megaflash lightning.

The World Meteorological Organization reported that a megaflash has set a new world record for lightning discharge distance. The lightning bolt stretched 515 miles. The powerful bolt struck in ...