Sun Pillars ~ Photographer: Jim R. Sutton 01 Jan 2021

PHOTOGRAPHER: JIM R. SUTTON

WASAGA BEACH, ONTARIO
Georgian Bay at Sunset !!!

SUN PILLAR

 

What causes sun pillars or light pillars?

Posted by Deborah Byrd in EARTH | December 30, 2020

Sun pillars, or light pillars, are shafts of light extending from the sun
or other bright light sources under the right atmospheric conditions.

They’re caused by ice crystals drifting in Earth’s air.

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View at EarthSky Community Photos. | Susan Ogan in Marblehead, Massachusetts, USA, captured this photo of a sun pillar on December 30, 2020. She wrote: “This image was taken at sunrise. I took it in honor of all the people who are grieving a loss of someone special. I frequently photograph sunrises and was awestruck by this rare sun pillar and am reminded that there is a pathway to the heavens and we are all connected through the beauty of the sun. Stand strong.” Beautiful! Thank you, Susan.
Sun pillars are vertical shafts of light that extend upward (or downward) from a bright light source, such as the sun or other bright light low on the horizon. They can be 5 to 10 degrees tall and sometimes even higher. They might lengthen or brighten as you gaze at them.
They’re beautiful and wondrous. They’re also the source of some UFO reports!
EarthSky lunar calendars are cool! Order now. Going fast!

View at EarthSky Community Photos. | Nicholas Holshouser captured this photo from the Blue Ridge Parkway Milepost 412 in North Carolina, in the early morning of December 1, 2020. He wrote: “The first cold front of the season dropped temps into the teens (a bit below zero degrees C) along the Blue Ridge Parkway. As the fog rolled over the ridge behind me, sunlight (from below the horizon) began illuminating the cold air and created a beautiful sun pillar. The sun pillar extended even above the clouds. Easily the most perfect example of a sun pillar I’ve ever witnessed.” Thank you, Nicholas!

View at EarthSky Community Photos. | Nancy Ricigliano at Jones Beach, New York, caught this sun pillar on March 3, 2019.
Sun pillars or light pillars form when sunlight (or another bright light source) reflects off the surfaces of millions of falling ice crystals associated with thin, high-level clouds – for example, cirrostratus clouds. The ice crystals have roughly horizontal faces. They are falling through Earth’s atmosphere, rocking slightly from side to side.
When is the best time to see a sun pillar or light pillar? You’ll most often see sun pillars when the sun is low in the western sky before sunset, or low in the east just after the breaking of dawn. You might even see a sun pillar when the sun is below the horizon. Light pillars can be seen at any time of night.

Michael Busch captured this pair of photos on December 12, 2018, and wrote: “Incredible sun pillar above and then below the sun. Fire Island, New York.” Wow! Thanks, Michael.
They’re called sun pillars when the sun helps make them. But the moon or even streetlights can create this light phenomenon, too, in which case the name light pillar is more appropriate.
These pillars of light often prompt people to report sightings of UFOs. They can sometimes look strange! There are said to be a lot of UFO reports caused by light pillars over Niagara Falls, where the mist from the rush of descending water interacts with the city’s many upward facing spotlights. Light pillars do appear frequently over Niagara Falls, especially during the winter.
As always, the great website Atmospheric Optics is a wonderful place to go and learn more about sun pillars.

December 7, 2018, sunrise from Independence, Oregon, via Kathryn M. Bennett. Notice the sun pillar! Kathryn said she literally ran outside to get images before having to leave for work. “As I was photographing, I noticed the sun pillar.”

Joe C. Tabb and Dawn Tabb caught this amazing sun pillar at sunset on May 10, 2016. A storm had recently passed.

The U.S. West Coast got an amazing sun pillar on the first evening of spring 2016. Photo by Lyle Evans in Highland, California.

Another shot of the beautiful sun pillar seen on March 20, 2016, from the U.S. West Coast. This one is from Chris Levitan Photography. Thanks, Chris!

Sun pillars or light pillars are formed by reflection from hexagonal plate-like ice crystals in Earth’s air. These crystals drift through the atmosphere with a horizontal orientation, gently rocking from side to side as they fall. Diagram via University of Illinois.

View larger. | Wesley Liikane in Severn Bridge, Ontario captured these light pillars on December 23, 2013. See more photos by Wesley at Cowboy with a Camera on Facebook.

Canada geese look like ghosts as they fly though a sun pillar – January 28, 2017 – in Quakertown, Pennsylvania.

View larger. | Sun pillar seen by EarthSky Facebook friend Colin Chatfield on November 6, 2012, in Saskatoon, Saskatchewan, Canada. Thank you, Colin.

View larger. | Sun pillar seen by EarthSky Facebook friend Shanna Dennis. Thank you, Shanna.

Photo via EarthSky Facebook friend Kim Smith, taken in February 2013. She wrote: “My first ever sun pillar! We don’t often see them here in Walker Creek, Arkansas. I am glad I was out to photograph the sunset today when this occurred.” Thanks, Kim!
Bottom line: Sun pillars, or light pillars, are vertical shafts of light that in the right conditions can be seen extending upwards or downwards from the sun or other bright light sources. They’re caused by light reflection from hexagonal ice crystals drifting in Earth’s atmosphere.





Deborah Byrd created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Today, she serves as Editor-in-Chief of this website. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says




What causes sun pillars or light pillars? | Earth | EarthSky
https://earthsky.org/earth/what-is-a-sun-pillar

 

the light can come from the Sun (usually when it is near or even below the horizon)
in which case the phenomenon is called a sun pillar or solar pillar.

It can also come from the Moon or from terrestrial sources such as streetlights.

Light Pillars over North Bay, Ontario
The Strange Phenomena of Sun Pillars | The MarkoZen Blog
markozen.com/2017/01/25/the-strange-phenomena-of-sun-pillars/

 

The Strange Phenomena of Sun Pillars

January 25, 2017 Markosun Nature, Offbeat
I was listening to a science show the other day and came across this weirdness.
The scientist said most people have witnessed this.

Not sure where he was coming from, but I have never seen one, or even heard about them.

Sun Pillar over Antarctica
A light pillar is an atmospheric optical phenomenon in the form of a vertical band of light
which appears to extend above and/or below a light source.

The effect is created by the reflection of light from numerous tiny ice crystal
suspended in the atmosphere or clouds.

The light can come from the Sun (usually when it is near or even below the horizon)
in which case the phenomenon is called a sun pillar or solar pillar.

It can also come from the Moon or from terrestrial sources such as streetlights.
Light Pillars over North Bay, Ontario

Since they are caused by the interaction of light with ice crystals, light pillars belong to the family of halos.

The crystals responsible for light pillars usually consist of flat, hexagonal plates,
which tend to orient themselves more or less horizontally as they fall through the air.

Their collective surfaces act as a giant mirror, which reflects the light source upwards
and/or downwards into a virtual image. As the crystals are disturbed by turbulence,
the angle of their surfaces deviates some degrees from the horizontal orientation,
causing the reflection (i.e. the light pillar) to become elongated into a column.

The larger the crystals, the more pronounced this effect becomes.

More rarely, column-shaped crystals can cause light pillars as well.

In very cold weather, the ice crystals can be suspended near the ground,
in which case they are referred to as diamond dust.

Unlike a light beam, a light pillar is not physically located above
or below the light source. Its appearance of a vertical column
is an optical illusion, resulting from the collective reflection off the ice crystals,
only those of which that appear to lie in a vertical line direct the light rays
towards the observer (similar to the reflection of a light source in a body of water).

Sun Pillar over Ohio

Light Pillars over Cambridge Bay, Canada

Source: Wikipedia, Google and CBC Quirks and Quarks
Share this: The Strange Phenomena of Sun Pillars | The MarkoZen Blog

 

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