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What is Ball Lightning?

The prevailing theory about ball lightning involves clouds of charged water molecules.
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Ball lightning is an extremely rare and poorly understood atmospheric phenomenon that accompanies electrical storms. It manifests as a glowing ball about the size of a basketball, but sometimes as small as a golf ball or as large as a small car. It hovers in the air somewhere between a few seconds and a couple minutes, with an average of 25 seconds, then disappears either silently or with a loud bang. Some scientists have studied this lightning for upwards of 20 years and are still uncertain that it actually exists.

The phenomenon is so infrequent that not a single scientifically confirmed video of it even exists, though most scientists accept its existence because reports of it extend all the way back to Ancient Greece. Also supportive is that a majority of the reports that scientists do have tell a rather consistent tale, instead of varying dramatically, as would be expected if this form of lightning were merely a misidentification of more common atmospheric phenomena. When details vary too widely from the most common reports, it is likely a misidentification, wishful thinking, or fraud. It is plausible, however, that so-called ball lightning is merely an positive afterimage left on the eye in the wake of a lightning flash.

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A newspaper in 1960 conducted an informal poll and found that 5% of respondents claimed to have witnessed ball lightning, though the true figure is probably much lower. If a relatively large number of people truly witnessed this type of lightning regularly, there would likely be video footage of it. Nevertheless, reports continue to come in, and it is sometimes regarded as a UFO — an unidentified flying object — something in the sky that cannot be readily identified.

The current prevailing physical theory for ball lightning is the atmospheric maser theory. Large clouds of charged water molecules are put into an excited state by electrical activity, briefly causing light amplification by stimulated emission of radiation, or the laser effect. Before this can be confirmed as the true cause, however, it must be replicated in a laboratory first, which has not yet occurred. There may come a day when scientists can be sure that this lightning is a real phenomenon, but unfortunately for the enthusiasts, that day is not here yet.

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Discuss this Article

Jack0001
Post 12

Ten years ago my father and I were talking in my garage about an automotive part I was holding in my hand, when a bright ball of lightning came out of my garage wall from about 45 degree angle, knocking out what I had in my hand and continued straight to the garage floor. To this day, I have no idea what my father and I saw that day and what that bright ball was. The size was about like a tennis ball.

anon947113
Post 11

Ten years ago my father and I were talking in my garage about an automotive part wish I had in my hand, when a bright ball of lightning came out of my garage wall from about 45 degree angle nocking what I had in my hand and continued straight to the garage floor. To this day I have no idea of what my father and I seeded that day and what was that bright ball. The size was about a tennis ball.

anon946978
Post 10

I have seen several videos of it, though! How do we know these are not real? I'm pretty good at spotting hoax videos, and ones that are computer generated. Just like the descriptions, these are balls of light in various sizes. Sometimes there is lightning that can be seen, other times not. They seem to appear suddenly, sort of float around, and then disappear. Sometimes like a pop, one I saw simply grew smaller until it was gone.

I've also read reports of ball lightning randomly appearing with no noticeable storm, even in a living room, and it floated towards the television. There are documented cases of lightning traveling across the sky from a place with a storm, to another place with clear skies and then suddenly appearing there instead.

I don't agree with the illusion of after effects from seeing lightning, because this does not apply if you don't see any lightning, and wouldn't that be a streak, rather than a spot as when you accidentally look at the sun? I agree that some mistake ball lightning for UFOs, but most 'UFOs' are Chinese lanterns, or satellites, or some other things.

anon932243
Post 9

My daughter and I saw ball lightning, along with about five others, on Sunday in Adinkerke Belgium. We were parked on the street opposite a takeaway. The road was on my daughter's side. We saw a bright white ball -- a bit smaller than a football and surrounded in more light -- come from behind and when just in front of the van in the middle of the road, 5 feet away, we all heard a very loud bang like a cannon and then it disappeared.

Perdido
Post 7

@shell4life - It could be because it simply doesn’t exist. I am with you on the thought that we should have at least one recording of it somewhere. With our current technology, the fact that we don’t have any confirmed evidence of it makes me think it isn’t real.

I don’t know what people are seeing when they think they are witnessing ball lightning, but it must be some other thing that we already know exists. I would be more willing to accept the existence of UFOs and aliens than ball lightning.

I would like to be proven wrong, because if scientists could manufacture the effect in a lab, it would be an awesome thing to see. Until that happens, I’m buying the UFO theory.

shell4life
Post 6

It is very strange that we have no video footage of ball lightning. We have footage of other things that happen in a flash, like unique streaks of lightning and shooting stars, so why don’t we have any ball lightning?

I know that it’s rare, but surely someone somewhere has filmed it. Maybe they just don’t want to give up their footage.

Think of all the people who film storms. Many of them do it hoping for a tornado, and others just want to capture cool effects of lightning. I find it hard to believe that not one of them has ever captured this phenomenon. I think they are just keeping it a secret.

Oceana
Post 5

I once saw something strange that I think could have been ball lightning. It happened during one of those intense summer thunderstorms with loud thunder and plenty of lightning. I am the only one who saw it, so my friends questioned my sanity.

I was looking out the window of my bedroom at the active sky. It was dark out, so the effect was really cool. I saw what looked like green ball lightning hovering low in the clouds. The ball was huge, and it lasted maybe ten seconds before it seemed to turn off its light with a loud bang.

orangey03
Post 4

I have a friend who claims to have seen ball lightning. He said that during a thunderstorm at night, he was outside on his front porch when he saw something weird.

He said it looked to be about the size of a soccer ball. It glowed as brightly as the streaks across the sky, and it appeared to be neon white with a hint of yellow. He said it was hard to look directly at it for very long.

It was hovering about four feet in the air and traveling down the road toward his house. He was too intrigued and stunned to go grab a camera, because he didn’t want to miss a thing. Once the ball got close his yard, it faded out.

nony
Post 3

@MrMoody - Thunder and lightning have been known to produce a variety of atmospheric effects that look eerily similar to UFO crafts, ball lightning being one of them.

However, the article states that ball lightning is so rare that there is no video of it, even for scientists who are studying it. How they are conducting their studies, I have no idea.

With UFOs, however, there is abundant footage, and even if you discount 95% of it as easily explained, that leaves 5% that has not been explained. So I don’t buy the UFO ball lightning explanation.

I would love to see a direct manifestation of ball lighting myself, however, or something else like the Aurora lights, just for the sheer beauty of it.

MrMoody
Post 2

@anon14557 - It’s quite possible, actually – even probable.

Some time ago I read an online article that purportedly explained the “real” secret behind the UFO phenomenon, and ball lightning was implicated as the culprit.

This made it plausible for scientists to accept since it’s a physical phenomenon and easily explainable. They said that this was supposed to put the issue to rest once and for all.

For me, however, it does not. That’s because the ball lightning facts do not line up with what witnesses have observed as true UFO behavior, like the ability to move quickly at right angles and in velocities which defy the current laws of physics.

Ball lightning might mimic the UFO’s lights and its ability to hover silently, but I think the similarity ends there.

anon14557
Post 1

I live in texas and one day in a huge lighting storm i saw something strange floating around and it looked like an alian craft, but it had purple pinkish colors like lighting and i couldnt verify what it was. Can it be ball lighting?

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