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Are those alien beams really light pillars?
Cold air, ice crystals and bright ground lights can create luminous columns that look detached from the source below.
On this page
- Why ice crystals make vertical columns of light
- Ground light geometry in a sighting check
- Warning signs that the pillar explanation is weak
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Introduction
A vertical beam of light hanging in the sky can look deeply unnatural, especially when it appears motionless, sharply defined, and detached from any visible source on the ground. In UFO reporting, these displays are often described as “columns”, “portals”, “tractor beams”, or “searchlights from nowhere”. Yet one of the most common explanations is a well-understood atmospheric optics effect called a light pillar.
Light pillars form when bright light reflects from flat ice crystals suspended in cold air. Under the right conditions, ordinary ground lighting — street lamps, industrial sites, stadium floodlights, vehicle headlights, or even the Sun or Moon — can appear as luminous vertical shafts reaching into the sky. The effect is real, photographable, and sometimes spectacular enough to trigger UFO reports, especially during cold clear nights when the witness cannot easily identify the source below. [Wikipedia]WikipediaLight pillarJanuary 8, 2026 — A light pillar or ice pillar is an atmospheric optical phenomenon in which a vertical beam of light appears to extend a… [About MetService]about.metservice.comAbout MetServiceLight PillarsSome pillars are caused by sunlight, while they can also be created by moonlight, and even the light from Ve…
For AI-assisted UFO sighting investigation, light pillars matter because they create a strong illusion of altitude and structure. A witness may honestly report a hovering beam overhead even though the originating light source is on the ground several kilometres away. The task is therefore not to dismiss the sighting, but to test whether the environmental conditions, geometry, and visual behaviour match a known pillar event.
Why ice crystals make vertical columns of light
Light pillars are caused by reflection, not by a physical beam extending upward through the atmosphere. Tiny plate-shaped ice crystals drift through cold air and act like countless small mirrors. When many crystals settle in roughly horizontal orientations, they reflect light toward an observer in a narrow vertical band. [The Weather Channel]weather.comThe Weather ChannelThe Science Behind Light Pillars27 Jan 2017 — They're most commonly seen when nearly flat, hexagonal-shaped ice crysta… [2atoptics.org.uk]atoptics.org.ukLight PillarsAtmospheric OpticsThe column producing pillars are approximately midway between the eye and the light source. The higher the crystals in…
The effect is strongest in calm, cold conditions where the crystals remain stable rather than tumbling chaotically in turbulent air. Meteorological sources consistently associate strong pillar displays with freezing temperatures, suspended ice crystals, and low wind conditions. [FOX Weather]foxweather.comFOX WeatherMidwestern arctic blast leads to gorgeous light pillar…Jan 29, 2023 — Light pillars are created when lights on the Earth's… Newsweek Several features make these displays easy to mistake for unusual aerial phenomena: [newsweek.com]newsweek.combizarre ice crystals light pillar vermont 1850812NewsweekPhoto Shows Bizarre Ice Crystals Form Over New England8 Dec 2023 — These crystals are so small and light that they can remain in…
- The column may appear disconnected from the light source below if terrain, buildings, haze, or darkness obscure the origin point.
- The pillar often seems perfectly vertical even when viewed from long distances.
- Multiple lights can create parallel coloured beams that resemble organised formations.
- The pillar may pulse or shimmer as crystal orientation changes.
- The apparent “beam” can seem to hover in a fixed location for long periods.
Artificial lighting is especially important in UFO investigations because modern cities produce intense upward illumination. Sodium lamps, LED arrays, industrial facilities, ports, greenhouse complexes, ski resorts, oil infrastructure, and sports venues can all generate pillars visible many kilometres away. In very cold conditions, entire skylines can appear to project columns into the atmosphere. [FOX Weather]foxweather.comFOX WeatherMidwestern arctic blast leads to gorgeous light pillar…Jan 29, 2023 — Light pillars are created when lights on the Earth's… [The Weather Network]theweathernetwork.comThe Weather NetworkWhen the skies come alive: The magic of ice crystal displays28 Jan 2026 — It happens when light reflects off ice cryst…
The phenomenon is not limited to urban environments. Moon pillars and sun pillars are natural variants produced by the same reflective geometry. Weather agencies note that pillars are most often observed when the Sun is low near sunrise or sunset, though artificial-light pillars can occur at night. [metoffice.gov.tt]metoffice.gov.ttAtmospheric Optical PhenomenaSun / Light Pillars. • Sun Pillars appear most often at sunrise and sunset as a vertical shaft of light exte…
Why witnesses often perceive them as solid beams
Human depth perception struggles in dark skies with few visual reference points. When a witness sees a bright vertical shape against darkness, the brain often interprets it as a physical object or directed beam rather than a reflection effect.
Several recurring perception errors appear in UFO reports involving light pillars: [weather.com]weather.comlight pillars illuminate skiesThe Weather ChannelLight Pillars Illuminate Midwest Sky2 Dec 2015 — Though the phenomena have been known to stir up UFO reports, rest ass…
- False altitude estimation: the observer assumes the light begins high above the ground.
- False distance compression: the beam appears much closer than it is.
- False structure perception: shimmering edges look like metallic boundaries or energy fields.
- False motion interpretation: drifting ice crystals make the pillar appear alive or active.
This becomes more pronounced in freezing fog, diamond dust conditions, or light haze where the lower portion of the source is partially hidden. The result can resemble a hovering craft projecting a column downward or upward.
Witness descriptions often include phrases such as:
- “A beam standing still in the sky”
- “Vertical light with no visible source” [Wikipedia]WikipediaLight pillarJanuary 8, 2026 — A light pillar or ice pillar is an atmospheric optical phenomenon in which a vertical beam of light appears to extend a…
- “A glowing column over the town”
- “Multiple coloured shafts appearing suddenly”
- “An alien spotlight”
These reports can sound extraordinary while still matching known atmospheric optics behaviour.
Public reaction patterns also show how unusual the effect appears to non-specialists. Weather and astronomy outlets repeatedly document social media waves where residents interpret pillar displays as UFOs or invasion-like phenomena before meteorologists identify the cause. [ScienceAlert]sciencealert.compeople think these eerie atmospheric light beams are ufosScienceAlertPeople Keep Thinking These Eerie Atmospheric Light…Feb 11, 2018 — The appearance of these pillars south of polar regions i… [Weather.gov]weather.comThe Weather ChannelThe Science Behind Light Pillars27 Jan 2017 — They're most commonly seen when nearly flat, hexagonal-shaped ice crysta…
Ground-light geometry in a sighting check
In an AI-assisted UFO investigation workflow, one of the fastest ways to evaluate a possible light pillar is to reconstruct the geometry between the witness, the apparent beam, and bright ground light sources.
The key question is simple: was there a powerful light source in the same viewing direction?
Important checks include:
- Streetlight clusters
- Stadium lighting
- Industrial flare stacks
- Refineries
- Warehouses
- Airports
- Greenhouses
- Ski slopes
- Car parks
- Vehicle traffic corridors
- Ports and dockyards
A common investigative mistake is assuming the witness would automatically recognise the source. In reality, hills, forests, buildings, curvature, fog, snowfall, or darkness may hide the ground origin completely.
AI-assisted analysis can help by correlating:
- Witness coordinates and viewing direction
- Local weather observations
- Temperature and dew point
- Wind speed
- Satellite cloud data
- Terrain elevation
- Night-time light maps [glimpseofinfinity.com]glimpseofinfinity.comice crystals diamond dust light pillars a night i ll never forgetIce Crystals, Diamond Dust & Light Pillars: A Night I'll Never…Jan 17, 2024 — Light pillars are an atmospheric phenomena created when…
- Known industrial infrastructure
- Traffic and aviation lighting
The geometry itself matters. Atmospheric optics researchers note that the reflecting crystals producing the pillar are effectively positioned between the observer and the light source. The apparent beam therefore changes with observer position rather than existing as a fixed object in space. [atoptics.org.uk]atoptics.org.ukLight PillarsAtmospheric OpticsThe column producing pillars are approximately midway between the eye and the light source. The higher the crystals in…
That produces an important clue during case analysis: different witnesses at different locations may describe the pillar differently even when viewing the same phenomenon.
What photos and videos usually reveal
Light pillars often look more dramatic in photographs than to the naked eye because modern cameras increase exposure time and brightness in dark scenes. Smartphone processing can also exaggerate colour saturation and sharpen contrast, making the columns appear more solid and artificial.
Even so, imagery usually preserves several useful diagnostic features:
- The pillar aligns directly above a bright light source. [Wikipedia]WikipediaLight pillarJanuary 8, 2026 — A light pillar or ice pillar is an atmospheric optical phenomenon in which a vertical beam of light appears to extend a…
- Multiple pillars match the spacing of lights below.
- Colours correspond to the originating lamps.
- The column edges are diffuse rather than sharply bounded.
- The display remains vertically aligned regardless of camera angle.
Night-time city pillar events often produce rows of evenly spaced beams. To witnesses unfamiliar with the effect, these can resemble hovering craft formations or coordinated aerial structures. Photographs from Canada, Alaska, Scandinavia, and northern US states frequently show these patterns during cold winter outbreaks. [Space]space.comAlien Glow?Brilliant Light Pillars Appear Over Canada13 Jan 2017 — The beams resemble so-called sun pillars, which appear as columns of light extend… [FOX Weather]foxweather.comFOX WeatherMidwestern arctic blast leads to gorgeous light pillar…Jan 29, 2023 — Light pillars are created when lights on the Earth's…
Video evidence can also help separate pillars from searchlights or lasers. True light pillars generally do not sweep across the sky or terminate visibly on cloud layers. Instead, they remain tied to stable light sources while flickering subtly due to crystal movement.
Warning signs that the pillar explanation is weak
Not every vertical light report is a light pillar. Investigators should avoid forcing the explanation onto cases that do not fit the environmental or visual evidence.
The pillar explanation becomes weaker when:
- Temperatures were too warm for ice crystal formation.
- Winds were strong and turbulent.
- No significant light source existed in the viewing direction.
- The object moved independently across the sky.
- The “beam” changed horizontal position rapidly.
- Radar or aircraft tracking data conflict with a stationary optics effect.
- Witnesses observed a solid object with independent structure detached from the column.
- Multiple observers from widely separated angles triangulated a real airborne object.
Timing also matters. Pillars are usually associated with cold stable air and often appear during winter evenings, sunrise, or sunset conditions. Reports from warm humid nights without ice-crystal conditions require stronger supporting evidence before a pillar explanation is credible. [Newsweek]newsweek.combizarre ice crystals light pillar vermont 1850812NewsweekPhoto Shows Bizarre Ice Crystals Form Over New England8 Dec 2023 — These crystals are so small and light that they can remain in…
Another warning sign is directional inconsistency. A genuine pillar remains aligned with its source geometry. If witnesses report a beam weaving between clouds, pursuing vehicles, changing altitude, or performing sharp manoeuvres, another explanation may be more plausible.
In AI-assisted case triage, the correct classification is often not “solved” but “consistent with light pillar conditions”. That distinction matters because atmospheric data may support the mechanism strongly without proving it beyond doubt.
Why this mechanism matters in UFO case triage
Light pillars are a good example of why environmental correlation belongs near the start of any UFO investigation workflow. They demonstrate how a dramatic visual event can emerge from ordinary lighting plus highly specific weather conditions.
The mechanism also shows why witnesses should not be ridiculed for reporting unusual lights. Many people encounter strong pillar displays only once or twice in their lives. Under ideal conditions the effect genuinely looks strange, especially when viewed from unfamiliar terrain at night.
For investigators, the value lies in structured comparison:
- Did the weather support suspended ice crystals?
- Were bright ground lights present?
- Did the witness location match the geometry?
- Does imagery show pillar characteristics?
- Did the display behave like an atmospheric optical effect or a moving object?
When those answers align, AI-assisted environmental analysis can often reduce a seemingly extraordinary “alien beam” report to a documented atmospheric optics event without dismissing the witness experience itself.
Endnotes
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Source: Wikipedia
Title: Light pillar
Link: https://en.wikipedia.org/wiki/Light_pillarSource snippet
January 8, 2026 — A light pillar or ice pillar is an atmospheric optical phenomenon in which a vertical beam of light appears to extend a...
Published: January 8, 2026
-
Source: about.metservice.com
Link: https://about.metservice.com/learning/light-pillars-e59egSource snippet
About MetServiceLight PillarsSome pillars are caused by sunlight, while they can also be created by moonlight, and even the light from Ve...
-
Source: weather.com
Link: https://weather.com/science/weather-explainers/news/light-pillars-photo-wyomingSource snippet
The Weather ChannelThe Science Behind Light Pillars27 Jan 2017 — They're most commonly seen when nearly flat, hexagonal-shaped ice crysta...
-
Source: atoptics.org.uk
Title: Light Pillars
Link: https://www.atoptics.org.uk/halo/lpil.htmSource snippet
Atmospheric OpticsThe column producing pillars are approximately midway between the eye and the light source. The higher the crystals in...
-
Source: newsweek.com
Title: bizarre ice crystals light pillar vermont 1850812
Link: https://www.newsweek.com/bizarre-ice-crystals-light-pillar-vermont-1850812Source snippet
NewsweekPhoto Shows Bizarre Ice Crystals Form Over New England8 Dec 2023 — These crystals are so small and light that they can remain in...
-
Source: weather.com
Title: 2024 12 27 weather words light pillar
Link: https://weather.com/science/weather-explainers/news/2024-12-27-weather-words-light-pillarSource snippet
Weather Words: Light Pillar | Weather.comJan 2, 2025 — Light pillars usually occur when temperatures are between 15° and -40° Fahrenheit...
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Source: weather.com
Title: light pillars illuminate skies
Link: https://weather.com/science/news/light-pillars-illuminate-skiesSource snippet
The Weather ChannelLight Pillars Illuminate Midwest Sky2 Dec 2015 — Though the phenomena have been known to stir up UFO reports, rest ass...
-
Source: metoffice.gov.tt
Link: https://www.metoffice.gov.tt/sites/default/files/Optical%20Phenomena.pdfSource snippet
Atmospheric Optical PhenomenaSun / Light Pillars. • Sun Pillars appear most often at sunrise and sunset as a vertical shaft of light exte...
-
Source: weather.com
Link: https://weather.com/news/weather/video/sun-pillar-light-atmospheric-opticsSource snippet
The Weather ChannelSun Pillars Are An Optical Phenomenon; Here's How They FormIt's called a sun pillar sometimes it's called a light pill...
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Source: sciencealert.com
Title: people think these eerie atmospheric light beams are ufos
Link: https://www.sciencealert.com/people-think-these-eerie-atmospheric-light-beams-are-ufosSource snippet
ScienceAlertPeople Keep Thinking These Eerie Atmospheric Light...Feb 11, 2018 — The appearance of these pillars south of polar regions i...
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Source: weather.gov
Link: https://www.weather.gov/owlie/weird-weatherSource snippet
but in reality, light pillars are a common...Read more...
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Source: space.com
Title: Alien Glow?
Link: https://www.space.com/amp/35324-light-pillars-photo-ontario.htmlSource snippet
Brilliant Light Pillars Appear Over Canada13 Jan 2017 — The beams resemble so-called sun pillars, which appear as columns of light extend...
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Source: weather.gov
Link: https://www.weather.gov/arx/why_halos_sundogs_pillarsSource snippet
to its component colors. This creates the rainbow effect...
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Source: weather.metoffice.gov.uk
Link: https://weather.metoffice.gov.uk/guides/observations/how-we-measure-visibilitySource snippet
we measure visibilityVisibility sensors measure the meteorological optical range which is defined as the length of atmosphere over which...
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Source: weather.metoffice.gov.uk
Link: https://weather.metoffice.gov.uk/learn-about/weather/optical-effectsSource snippet
effects: nature's light showTheir red or yellow colour comes from the sun's low angle, which forces light to travel through much more atm...
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Source: weather.metoffice.gov.uk
Link: https://weather.metoffice.gov.uk/learn-about/met-office-for-schools/other-content/other-resources/understanding-weatherSource snippet
weatherIn the atmosphere, the gases in it cause the light to slow down, change direction and scatter, for most colours the effect of this...
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Source: gi.alaska.edu
Title: dark season begins more light
Link: https://www.gi.alaska.edu/alaska-science-forum/dark-season-begins-more-lightSource snippet
the dark season begins, more light appearsNov 20, 2025 — In this space in 2020, I wrote about ice pillars: Ice crystals sometimes take on...
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Source: foxweather.com
Link: https://www.foxweather.com/extreme-weather/midwestern-arctic-blast-leads-to-gorgeous-light-pillar-display-in-kansasSource snippet
FOX WeatherMidwestern arctic blast leads to gorgeous light pillar...Jan 29, 2023 — Light pillars are created when lights on the Earth's...
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Source: theweathernetwork.com
Link: https://www.theweathernetwork.com/en/news/science/explainers/when-the-skies-comes-alive-the-magic-of-ice-crystal-displaysSource snippet
The Weather NetworkWhen the skies come alive: The magic of ice crystal displays28 Jan 2026 — It happens when light reflects off ice cryst...
Additional References
-
Source: crayfordmanorastro.com
Link: https://crayfordmanorastro.com/atmospheric-optics/Source snippet
Atmospheric OpticsA sun dog is also called a parhelion (plural parhelia) and is an atmospheric optical phenomenon that consists of a brig...
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Source: mountwashington.org
Link: https://mountwashington.org/light-pillars/Source snippet
Light PillarsThis optical effect happens when the sun is starting to set below the horizon. The same idea with the ice crystals falling p...
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Source: reddit.com
Link: https://www.reddit.com/r/Denver/comments/11aia21/light_pillars_looking_south/Source snippet
Light pillars looking south: r/DenverLight pillars are caused by light being reflected by hexagonal ice crystals suspended in air. The c...
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Source: youtube.com
Link: https://www.youtube.com/watch?v=KjrxUR8iE_8Source snippet
Not Aliens, But Science Explains Light PillarsThese pillars of light may seem like something from science fiction, but they are a real li...
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Source: youtube.com
Link: https://www.youtube.com/watch?v=_Gzep-0wJJo -
Source: glimpseofinfinity.com
Title: ice crystals diamond dust light pillars a night i ll never forget
Link: https://glimpseofinfinity.com/tutorials/ice-crystals-diamond-dust-light-pillars-a-night-i-ll-never-forget/Source snippet
Ice Crystals, Diamond Dust & Light Pillars: A Night I'll Never...Jan 17, 2024 — Light pillars are an atmospheric phenomena created when...
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Source: instagram.com
Link: https://www.instagram.com/p/DUjBRpDAk2n/Source snippet
a vertical shaft of light extending above or below the sun, caused by...Read more...
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Source: earthlymission.com
Title: This Spectacular Atmospheric Phenomena Looks Like
Link: https://earthlymission.com/light-pillars-spectacular-atmospheric-phenomena-sun-pillar/Source snippet
UFO sightings are reported when during winter, the icy mist from the descending water interacts with the city lights. Indeed, they may lo...
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Source: nationalgeographic.com
Title: 150114 ice halo weird weather phenomena science
Link: https://www.nationalgeographic.com/science/article/150114-ice-halo-weird-weather-phenomena-scienceSource snippet
'Heavenly' Ice Halos Form Over New Mexico—What...Jan 15, 2015 — The glaring blob of light to the right of the pillar is called a sun dog...
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Source: psl.noaa.gov
Title: Glittering Light on Water
Link: https://psl.noaa.gov/outreach/education/science/glitter/Source snippet
Physical Sciences Laboratory - NOAAby HGP are Formed · 1999 · Cited by 15 — Glitter patterns on water are similar to vertical light pilla...
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