Steady advances in satellite technology means even greater megaflashes could be detected in the near future.
, 2020, a single lightning flash originating near Houston, Texas, traveled an astounding 477.2 miles to southeastern Mississippi. That’s roughly equal to the distance between New York City and Columbus, Ohio. The new record is 37.3 miles longer than the previous record, which was recorded over southern Brazil on October 31, 2018.
“These are extraordinary records from single lightning flash events,” Randall Cerveny, rapporteur of Weather and Climate Extremes for WMO, said in a press release. “Environmental extremes are living measurements of the power of nature, as well as scientific progress in being able to make such assessments.”The new records were captured by the Geostationary Lightning Mappers on the GOES-16 and 17 satellites.
We were probably safe during that flight, but we need to be wary of such storms and the potential for lightning to inflict harm on human life and property. As WMO Secretary-General Petteri Taalas noted in the press release, lightning is “a major hazard that claims many lives every year.” Accordingly, the new findings “highlight important public lightning safety concerns for electrified clouds where flashes can travel extremely large distances.
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