CHICOPEE, Mass. (WWLP) - The World Meteorological Organization (WMO) has confirmed a new world record for the longest lightning flash, across the U.S. Great Plains during an October 2017 thunderstorm.

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The megalflash extended 829 kilometers (515 miles) from eastern Texas near Kansas City, Missouri -- a distance comparable to traveling from Paris to Venice.

The WMO's Committee on Weather and Climate Extremes verified the record using satellite technology and published the findings in the Bulletin of the American Meteorological Society. The 2017 record surpassed the previous megaflash measured in April 2020, which spanned 768 kilometers (477 miles) across parts of the southern United States. Both records were measured usin

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