DALLAS — A lightning flash from East Texas back in October 2017 has been certified as the longest single lightning flash in recorded history, according to the World Meteorological Organization (WMO) .

The WMO said in a press release Thursday that the megaflash originated in East Texas and spanned approximately 515 miles all the way to Kansas City. WMO’s Committee on Weather and Climate Extremes , which maintains official records of global, hemispheric and regional extremes, recognized the new record with the help of the latest satellite technologies. The findings were published in the Bulletin of the American Meteorological Society , WMO said.

The margin of error in recording this flash was ± 5 miles, which still broke the previous record of 477.2 ± 5 miles from a lightning flash a

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