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Among the many natural phenomena that have influenced UFO reports, few are as visually convincing as lenticular clouds. These smooth, lens-shaped clouds can appear metallic, symmetrical and surprisingly motionless, matching the classic flying-saucer image that became embedded in popular culture and science-fiction cinema.
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Introduction
Meteorologists often point to lenticular clouds as one of the most common natural explanations for saucer-shaped objects reported in the sky. Their appearance demonstrates how the atmosphere can produce forms that seem engineered rather than natural, helping explain why some UFO stories begin with a genuine visual puzzle rather than a deliberate hoax or a conventional aircraft. [Met Office]weather.metoffice.gov.ukMet OfficeUnusual cloud formations… lenticular clouds are believed to be one of the most common explanations for UFO sightings across t…
How lenticular clouds form
Lenticular clouds are created by a specific atmospheric mechanism involving stable air and terrain. When strong winds encounter a mountain range or other significant obstacle, the airflow is forced upward. Rather than simply descending on the other side, the air can continue oscillating in a series of standing waves, much like water flowing over a submerged rock creates stationary ripples downstream. [NOAA NESDIS]nesdis.noaa.govNESDISWave Clouds | NESDISNOAA NESDISWave Clouds | NESDIS - NOAASatellite imagery shows us rippled cloud patterns called wave clouds, or gravity waves. These form…
If enough moisture is present, cloud droplets condense at the crests of these atmospheric waves. The result is a smooth, sharply defined cloud that forms repeatedly in the same location. Although wind is constantly moving through it, the cloud itself appears fixed in space because new droplets continually form on one side while older droplets evaporate on the other. [National Weather Service]weather.govNational Weather ServiceAltocumulus Standing Lenticular CloudsWhen sufficient moisture is present above mountain-top level, ACSL clouds d… [Mount Washington Observatory]mountwashington.orgMount Washington ObservatoryA Closer Look at Lenticular CloudsThese visually striking clouds have been variously described to appear as l…
This mechanism produces several visual features that encourage misidentification:
- A symmetrical disc or lens shape.
- Clean edges unlike many ordinary clouds.
- Apparent solidity from a distance.
- A tendency to remain stationary for long periods.
- Multiple stacked layers that resemble a structured craft. [DEOAS]eoas.ubc.caDEOASUBC ATSC 113Lenticular cloudsLenticular clouds have a lens-shaped or almond-shaped cross section. These clouds form in the crests of mountain waves (… [Mount Washington Observatory]mountwashington.orgMount Washington ObservatoryA Closer Look at Lenticular CloudsThese visually striking clouds have been variously described to appear as l…
In especially dramatic cases, several layers form one above another, creating the appearance of a giant tiered object hovering above a mountain range. Observers often compare these formations to stacks of plates or the classic flying saucers depicted in mid-twentieth-century UFO imagery. [DEOAS]eoas.ubc.caDEOASUBC ATSC 113Lenticular cloudsLenticular clouds have a lens-shaped or almond-shaped cross section. These clouds form in the crests of mountain waves (…
Why they fool casual observers
Most people expect clouds to drift across the sky and gradually change shape. Lenticular clouds violate both expectations. They can hold a remarkably consistent outline and seem almost motionless despite strong winds at their altitude. National Weather Service [yahoo]yahoo.comlenticular clouds sometimes mistaken ufos 150745839Lenticular clouds, sometimes mistaken for UFOs, are in a…25 Sept 2024 — Lenticular clouds are different from other clouds because they… This creates a powerful illusion. An observer who notices a smooth, hovering object may interpret it as a physical craft rather than a cloud because the visual cues do not match everyday experience. Distance estimation compounds the problem. Without familiar reference points, a cloud tens of kilometres away can appear much smaller and closer, strengthening the impression of a hovering object. [Met Office]weather.metoffice.gov.ukMet OfficeUnusual cloud formations… lenticular clouds are believed to be one of the most common explanations for UFO sightings across t…
Lighting can make the effect even more striking. Near sunrise or sunset, lenticular clouds often display strong shadows, glowing edges or metallic-looking surfaces. Photographs of such formations frequently circulate online as alleged UFO images before meteorologists identify them. [NASA Science]science.nasa.govmarvelous lenticularis 153312NASA ScienceMarvelous LenticularisSep 13, 2024 — A unique cloud that forms over the Otago region of the country's South Island also evoke…
A well-known example comes from New Zealand’s South Island, where a recurring lenticular formation known locally as the “Taieri Pet” has appeared in roughly the same region for more than a century. To newcomers it can resemble a gigantic stationary spacecraft, but locals recognise it as a predictable product of mountain-wave conditions. [The Sun]thesun.co.ukThe phenomenon, captured by a NASA satellite in September and last seen by an Air New Zealand pilot in 2020, is an elongated altocumulus…
How UFO stories use natural ambiguity
Lenticular clouds occupy an interesting position in UFO culture because they are neither trivial mistakes nor unexplained mysteries. They are real, unusual and visually dramatic. Someone who reports seeing a giant saucer-shaped object may be describing exactly what they observed; the disagreement lies in the interpretation rather than the observation itself.
This ambiguity makes lenticular clouds valuable in UFO narratives. A witness can honestly report a silent, hovering, disc-shaped object, while a meteorologist can honestly explain that the object was a cloud formed by standing atmospheric waves. Both descriptions arise from the same event. [Met Office]weather.metoffice.gov.ukMet OfficeUnusual cloud formations… lenticular clouds are believed to be one of the most common explanations for UFO sightings across t…
The tension between those perspectives echoes a recurring theme in Spielberg-associated UFO storytelling: ordinary people encounter something astonishing, while specialists attempt to determine whether the explanation lies in the extraordinary or in a misunderstood aspect of the natural world. Lenticular clouds illustrate why that tension persists. The sky can occasionally produce shapes so artificial-looking that they seem designed rather than formed.
Meteorologists therefore play a crucial role in UFO investigations. Before a sighting can be treated as evidence of an unknown craft, investigators often ask whether atmospheric conditions could have produced a lenticular cloud. The fact that these formations are widely recognised by weather agencies as a common source of flying-saucer reports shows how important that first step can be. [Met Office]weather.metoffice.gov.ukMet OfficeUnusual cloud formations… lenticular clouds are believed to be one of the most common explanations for UFO sightings across t… [National Weather Service]weather.govNational Weather ServiceAltocumulus Standing Lenticular CloudsWhen sufficient moisture is present above mountain-top level, ACSL clouds d…
The cloud that looks like a flying saucer
Lenticular clouds are a reminder that not every UFO-like sight begins with technology. Sometimes the atmosphere itself creates the illusion. Stable air, mountain waves and moisture can combine to produce a shape that appears engineered, metallic and suspended in place. To a casual observer, it may look exactly like the spacecraft imagined in films and popular UFO lore.
That does not make the sight any less remarkable. The enduring fascination of lenticular clouds comes from the fact that they reveal how easily natural processes can mimic the visual language of alien visitation. Their existence helps explain why meteorologists remain important voices whenever unusual objects are reported in the sky. [Met Office]weather.metoffice.gov.ukMet OfficeUnusual cloud formations… lenticular clouds are believed to be one of the most common explanations for UFO sightings across t… [Smithsonian Magazine]smithsonianmag.comSmithsonian Magazine UFO or Crazy Cloud?Weird Cloud Atlas' Helps You DecideAug 28, 2012 — One cloud type, which kicks off the slideshow and is known as a lenticular cloud, is a…
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Further Reading
Books and field guides related to Lenticular Cloud UFO 6 E25 Bc. Use these as the next step if you want deeper reading beyond the article.
The UFO Experience
Hynek created the close-encounter framework that inspired Spielberg's film title and served as an adviser on the movie.
Passport to Magonia
One of the most influential books on UFO culture and the mystery-oriented approach echoed in Spielberg's work.
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Endnotes
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Source: nesdis.noaa.gov
Title: NESDISWave Clouds | NESDIS
Link: https://www.nesdis.noaa.gov/our-environment/clouds/wave-cloudsSource snippet
NOAA NESDISWave Clouds | NESDIS - NOAASatellite imagery shows us rippled cloud patterns called wave clouds, or gravity waves. These form...
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Source: weather.gov
Link: https://www.weather.gov/abq/features_acslSource snippet
National Weather ServiceAltocumulus Standing Lenticular CloudsWhen sufficient moisture is present above mountain-top level, ACSL clouds d...
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Source: yahoo.com
Title: lenticular clouds sometimes mistaken ufos 150745839
Link: https://www.yahoo.com/news/lenticular-clouds-sometimes-mistaken-ufos-150745839.htmlSource snippet
Lenticular clouds, sometimes mistaken for UFOs, are in a...25 Sept 2024 — Lenticular clouds are different from other clouds because they...
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Source: science.nasa.gov
Title: marvelous lenticularis 153312
Link: https://science.nasa.gov/earth/earth-observatory/marvelous-lenticularis-153312/Source snippet
NASA ScienceMarvelous LenticularisSep 13, 2024 — A unique cloud that forms over the Otago region of the country's South Island also evoke...
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Source: nesdis.noaa.gov
Title: types of clouds
Link: https://www.nesdis.noaa.gov/about/k-12-education/atmosphere/types-of-cloudsSource snippet
NOAA NESDISTypes of Clouds | NESDISAug 31, 2025 — Lenticular... Lenticular clouds are shaped like lenses or almonds or...flying saucers...
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Source: psl.noaa.gov
Link: https://psl.noaa.gov/outreach/education/pdf/AC00572.pdfSource snippet
in this picture are the stacked lenticular clouds, which indicate that wave activity is occurring and point to the likelihood that the ra...
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Source: weather.gov
Title: NW S ABQ
Link: https://www.weather.gov/abq/features_mountainwavesSource snippet
NWS ABQ - Mountain Wave StudyWhile these waves are visually appealing, both in satellite imagery and from the ground as lenticular clouds...
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Source: weather.gov
Link: https://www.weather.gov/hfo/lenticularSource snippet
clouds Big Island 11/25/200325 Nov 2003 — Some people have mistaken them for UFOs due to their smooth saucer like shape. They are fairly...
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Source: weather.metoffice.gov.uk
Link: https://weather.metoffice.gov.uk/learn-about/weather/types-of-weather/clouds/unusual-cloud-formationsSource snippet
Met OfficeUnusual cloud formations... lenticular clouds are believed to be one of the most common explanations for UFO sightings across t...
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Source: smithsonianmag.com
Title: Smithsonian Magazine UFO or Crazy Cloud?
Link: https://www.smithsonianmag.com/smart-news/ufo-or-crazy-cloud-weird-cloud-atlas-helps-you-decide-17428407/Source snippet
'Weird Cloud Atlas' Helps You DecideAug 28, 2012 — One cloud type, which kicks off the slideshow and is known as a lenticular cloud, is a...
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Source: mountwashington.org
Link: https://mountwashington.org/a-closer-look-at-lenticular-clouds/Source snippet
Mount Washington ObservatoryA Closer Look at Lenticular CloudsThese visually striking clouds have been variously described to appear as l...
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Source: eoas.ubc.ca
Title: DEOASUBC ATSC 113
Link: https://www.eoas.ubc.ca/courses/atsc113/flying/met_concepts/01-met_concepts/01b-special-clouds/lenticular.htmlSource snippet
Lenticular cloudsLenticular clouds have a lens-shaped or almond-shaped cross section. These clouds form in the crests of mountain waves (...
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Source: dailyrecord.co.uk
Title: met office ufo shaped clouds 32355770
Link: https://www.dailyrecord.co.uk/news/scottish-news/met-office-ufo-shaped-clouds-32355770Source snippet
UFO sightings across the world. Article continues below. "When air...Read more...
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Source: thesun.co.uk
Link: https://www.thesun.co.uk/tech/31236444/ufo-cloud-taieri-pet-new-zealand-nasa-satellite-image/Source snippet
The phenomenon, captured by a NASA satellite in September and last seen by an Air New Zealand pilot in 2020, is an elongated altocumulus...
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Source: mountwashington.org
Link: https://mountwashington.org/ufos-and-such/ -
Source: Wikipedia
Title: Lenticular cloud
Link: https://en.wikipedia.org/wiki/Lenticular_cloudSource snippet
Lenticular cloudLenticular clouds are stationary clouds that form mostly in the troposphere, typically in parallel alignment to the wi...
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Source: ghostarchive.org
Title: Lenticular clouds
Link: https://ghostarchive.org/archive/N4HKOSource snippet
Met Office17 Feb 2023 —... lenticular clouds are believed to be one of the most common explanations for UFO sightings across the world...
Additional References
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Source: premierflightct.com
Link: https://www.premierflightct.com/newsletters/TrainingArticles/StandingLenticularClouds.htmlSource snippet
Standing Lenticular CloudsStanding lenticular clouds form in the crests of the mountain wave where the rising updraft of the wave has coo...
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Source: facebook.com
Link: https://www.facebook.com/ScienceTubeOfficial0/posts/that-wasnt-a-ufo-it-was-a-rare-lenticular-cloud-formed-when-strong-winds-flow-ov/122253142010175506/Source snippet
That wasn't a UFO. It was a rare lenticular cloudThe aliens are here!! Those "spaceship" or "UFO" shaped clouds you see are actually call...
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Source: skybrary.aero
Link: https://skybrary.aero/articles/lenticular-cloud -
Source: reddit.com
Link: https://www.reddit.com/r/interestingasfuck/comments/huo2re/lenticular_clouds_often_form_at_high_altitudes/ -
Source: wx.erau.edu
Link: https://wx.erau.edu/faculty/mullerb/Wx365/Mountain_waves/mountain_waves.htmlSource snippet
ERAU Weathermountain_wavesMountain waves are standing atmospheric waves caused by airflow over mountains, analogous to standing waves in...
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Source: facebook.com
Title: is it a ufo or an unusual looking cloudyou can see why this cloud known as a len
Link: https://www.facebook.com/metoffice/photos/is-it-a-ufo-or-an-unusual-looking-cloudyou-can-see-why-this-cloud-known-as-a-len/10153323951119209/Source snippet
You can see...14 Oct 2015 — Is it a UFO or an unusual looking cloud? You can see why this cloud, known as a lenticular cloud, is often m...
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Source: youtube.com
Link: https://www.youtube.com/watch?v=KgO7Kyq3q-USource snippet
Lenticular CloudsLenticular clouds are also known as lenticularis because they are shaped like a lens. They are common over mountains whe...
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Source: reddit.com
Link: https://www.reddit.com/r/flying/comments/i9n4a0/what_is_happening_inside_the_lenticular_clouds/Source snippet
The stable air is forced up and over the mountains, causing it to condense into a...Read more...
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Source: accuweather.com
Title: Potentially responsible for some of the earliest U.S. UFO
Link: https://www.accuweather.com/en/weather-news/lenticular-clouds-sometimes-mistaken-for-ufos-are-in-a-league-of-their-own/1694242Source snippet
Lenticular clouds, sometimes mistaken for UFOs, are in a...25 Sept 2024 — Lenticular clouds, sometimes mistaken for UFOs, are...
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Source: facebook.com
Link: https://www.facebook.com/greatsanddunesnpp/posts/standing-wave-or-lenticular-clouds-occur-over-mountain-ranges-when-moisture-lade/1051850566985377/Source snippet
en air is forced up like a wave or rapid you might see in a river.Read more...
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