'Pillars of light' illuminate the night sky in Alberta, Canada. Everything about the phenomenon





Residents of Central Alberta, Canada recently witnessed the mysterious ‘light pillars‘shining in the sky at night. The columns of light shining in the sky left residents wondering. It almost looked like a scene from a science fiction movie, except it wasn’t actually an alien invasion!
The vertical beams of light that seemed to emerge from the ground and reach towards the sky created a rather surreal experience for the spectators. This phenomenon is really one optical illusion caused by special winter weather conditions.


How are columns of light formed?



Pillars of light are an optical illusion, a rare phenomenon caused when light is refracted ice crystals. These lamps tend to take on the color of the light source.
“They appear as beams of light to the observer. It is usually caused by street lights. However, any light source can create a column of light under the right conditions,” AccuWeather Meteorologist David Samuhel said in the company’s blog.
Although the phenomenon is completely natural, it only occurs rarely as it requires special weather conditions, such as an extremely calm and cold state with no wind. When the ice crystals form and they are close to the ground, a light pillar is created.
The meteorologist added: “Normally the ice crystals are small enough to remain suspended in the air and only form when temperatures drop below zero (F). In most cases, temperatures are minus 10 to 20 degrees or colder.” The pillar is formed under high pressure without any storm.
Samuhel added that the source of most pillars is man-made, such as street lights and other ground light sources.
An Columns of light are caused by light reflecting from ice crystals hanging in the air. This phenomenon occurs in cold places where the temperature allows hexagonal ice crystals to form. For example, these photos were taken at -30°.”


Pillars of light also differ from Auroras because they are visible over large areas and the phenomenon occurs in the atmosphere. Columns of light, on the other hand, are localized.
(Photo courtesy: X/ TreasChest)




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