Well, it's official. The single megaflash lighting bolt of 2017 was certified as the world’s longest flash on record. The lighting occurred on October 22, 2017, and the horizontal distance stretched 515 miles from east Texas to near Kansas City, Missouri, according to the National Oceanic and Atmospheric Administration.

The World Meteorological Organization says a lightning bolt that was visible for some 515 miles from eastern Texas through Missouri in October 2017 is now considered to be the world’s longest.

The 515-mile bolt stretched from East Texas to near Kansas City, Mo., a roughly eight-hour distance by car, according to the World Meteorological Organization. In comparison, the average bolt of lightning measures less than 10 miles, according to the National Weather Service.