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Sun pillars are an optical phenomenon; Here's how they form

The Weather Channel · Just In
The Weather Channel
The Weather Channel
Just In

Sun pillars are a beautiful atmospheric phenomenon that can sometimes be seen at sunrise or sunset. Watch this video to learn more about how they form.

Breakdown
  • Sun pillars are optical phenomena sometimes called light pillars. 4s
  • They usually occur at sunrise, sunset, or with a distant bright light source. 7s
  • Ice crystals in high, thin clouds reflect light, creating the effect. 14s
  • The reflection from plate-like ice crystals produces the pillar appearance. 20s
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