This satellite image provided by the National Oceanic and Atmospheric Administration shows a thunderstorm complex which was found to contain the longest single flash that covered a horizontal distance on record, at around 768 kilometers (477 miles) across parts of the southern United States on April 29, 2020. Two stormy parts of the Americas set records for longest lightning flashes back in 2020, the World Meteorological Organization said Monday, Jan. 31, 2022. (NOAA via AP)
A bolt of lightning that stretched nearly 500 miles across three U.S. states is the new world record holder for longest flash.
The single flash extended 477.2 miles (768 kilometers) across Texas, Louisiana and Mississippi in April 2020, the World Meteorological Organization said Monday. That beat the old record set in 2018 in Brazil of 440.6 miles (709 kilometers).
Also in 2020, a single lightning flash over Uruguay and northern Argentina lasted 17.1 seconds, nipping the old time record of 16.7 seconds.
Normally lightning doesn’t stretch farther than 10 miles and lasts less than a second, said Arizona State University’s Randall Cerveny, who is the chief of records confirmation for the meteorological organization.
“These two lightning flash records are absolutely extraordinary,” Cerveny said in an email.
Both were cloud-to-cloud, several thousand feet above the ground, so no one was in danger, he said.
These records, which are not linked to climate change, were spotted and confirmed thanks to new satellite tracking technology. Both regions are two of the few places in the world prone to the type of intense storms that can produce what are called “megaflashes, ” Cerveny said.
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