Volcanic Lightning: Why is it Different?

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Discussion Overview

The discussion revolves around the phenomenon of volcanic lightning, specifically exploring its causes, color variations, and potential for intentional creation during eruptions. The scope includes theoretical explanations and observational insights related to the natural occurrence of lightning in volcanic contexts.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants suggest that the static electricity generated by the dust and gas ejected during a volcanic eruption is similar to that in thunderclouds, with the volcano being more effective due to the presence of dust.
  • Others express uncertainty about the exact reasons for volcanic lightning, noting that its cause is not completely understood and speculating that the color differences may arise from the gases involved.
  • A participant shares links to professional photos showcasing various lightning discharge effects associated with volcanic eruptions, highlighting the visual diversity of these phenomena.
  • Another participant argues that the color of lightning is not inherently different due to its association with volcanoes, asserting that the observed color variations are due to ash obscuring the lightning, similar to effects seen in thunderstorms.
  • One participant contrasts the mechanisms of lightning production in storms and volcanoes, noting the role of rain droplets versus ash particles in charge transport.

Areas of Agreement / Disagreement

Participants express differing views on the causes and characteristics of volcanic lightning, with no consensus reached regarding the reasons for color variations or the understanding of the phenomenon itself.

Contextual Notes

The discussion reflects limitations in understanding the underlying mechanisms of volcanic lightning, with participants acknowledging the complexity and lack of definitive explanations.

nolanlewisamp
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so why is there lightning in a volcanic eruption? why is the lightning a different color? maybe we could make these eruptions on purpose or similar scenarios to make lightning? thanks for you input!
 
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The static electricity generated as the dust an gas is ejected up at high speed is very similair to that in a thundercloud. The volcano is rather more effective because of the dust.
I don't know if it would be a different colour other than possibly filtering through the gas cloud surrounding the volcano, or possibly from burning some of the gases.
 
ohh sweet thanks.
 
http://blogs.publico.es/mesadeluz/4195/el-volcan-puyehue

Stunning series of professional grade photos showing showing mammoth electrical arcs, glows, corkscrews, "tadpoles", globules and various other lightning discharge effects in a wide variety of colors. Also seen are ash clouds resembling mammatus clouds. It's easy to see how the mythic imagination could find dragons and firebirds in these images.

Respectfully submitted,
Steve
 
This thread is over two years old but I must say these photos are amazing.
 
hey Steve

thanks for posting that link :) truly stunning series of pics

as can be seen the lightning isn't a different colour just because its assoc with a volcano.
those strokes out in front of the ashcloud are still blue/white, just like in a thunderstorm.

only those partially obscurred by the ash are dulled in colour to reds etc
the same thing happens in storms when the lightning is partially hidden by heavy rain bands or cloud

the only difference between lightning production in storms and volcanoes is...
rain droplets carrying charges upwards, compared to ash particles.

cheers
Dave
 

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