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Superbolt Lightning

Dragon
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Superbolt Lightning Empty Superbolt Lightning

Post by Dragon Thu Nov 26, 2020 1:41 am

Superbolts — flashes of lightning that are up to 1,000 times brighter than average — really do exist, two new studies confirm.

A landmark study coined the term in the 1970s, but in the intervening years, experts questioned if superbolts are genuinely brighter than most other lightning, or if they simply appear brighter depending on the angle of the satellite observation.

Recently, after evaluating years of data, scientists confirmed these ultrabright bolts can produce at least 100 gigawatts of power (to put that into perspective, the power produced by all the solar panels and wind turbines in the United States in 2018 was about 163 gigawatts, according to the U.S. Department of Energy).

Lightning forms when electrical charges in clouds and on the ground interact, and in most of these events the clouds are negatively charged.

However, superbolts form during rare cloud-to-ground interactions in which the clouds are positively charged, the scientists reported.

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Dragon
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Post by Dragon Thu Nov 26, 2020 1:42 am

Superbolt Lightning AikexsLkExJpVXBwgN6UhE-1024-80.jpg
(Image: © Shutterstock)

So-called superbolts are at least 100 times brighter than ordinary lighting, but can be more than 1,000 times brighter.

Continued...
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Superbolt Lightning 334pu7m
Dragon
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Post by Dragon Thu Nov 26, 2020 1:44 am

Superbolt Lightning 5tnojMUnXnu7qPduq2bNiL-970-80
(Image credit: Michael Peterson/Los Alamos National Laboratory)

This animation shows a superbolt-producing lightning flash captured by the Geostationary Lightning Mapper over the southeastern United States on February 19, 2019.

The lightning flash spanned several hundred kilometers and lasted nearly 7 seconds.

Source / Image Courtesy


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Superbolt Lightning 334pu7m
Dragon
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Post by Dragon Thu Nov 26, 2020 1:45 am



The Mystery of Superbolt Lightning


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Superbolt Lightning 334pu7m
Dragon
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Post by Dragon Thu Nov 26, 2020 1:46 am



SuperBolt Anvil to Ground Lightning Strike from Lewisville, Texas


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Superbolt Lightning 334pu7m
Dragon
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Post by Dragon Thu Nov 26, 2020 1:49 am



Rare 'Superbolts' of Lightning Are Real, and Have an Unusual Origin Story


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