Record-Breaking Megaflash across US Sky.

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A bolt of lightning that spanned over 500 miles over three U.S. states has set a new world record for the longest flash.

Photo by Nick Kwan from Pexels

This single flash extended 477.2 miles (768 kilometres) across Texas, Louisiana and Mississippi in April 2020, the World Meteorological Organization said Monday (31/Jan/2022). That has overcome the old record set in 2018 in Brazil of 440.6 miles (709 kilometres).

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.

Longest lightning bolt record: 477 miles over 3 US states
This satellite image provided by the National Oceanic and Atmospheric Administration shows a thunderstorm complex that was found to contain the longest single flash that covered a horizontal distance on record, at around 768 kilometres (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. Photo:UNB/ AP

“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 is called a “mega-flash, ” Cerveny said.

Source: Associated Press

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