Meteorological curiosity - "volcano tornado"

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SUMMARY

The forum discussion centers on the phenomenon of "volcano tornadoes," specifically observed above the Holuhraun volcano in Iceland, which the Icelandic Met Office describes as "wind anomalies from thermal convection." Participants compare this occurrence to "firenadoes," commonly seen in Australian bushfires, suggesting similar formation processes. Additionally, the conversation touches on the occurrence of simultaneous tornadoes in supercells, highlighting the complexity of tornado dynamics, including anticyclonic and cyclonic formations.

PREREQUISITES
  • Understanding of meteorological phenomena, specifically tornado formation.
  • Familiarity with thermal convection processes in atmospheric science.
  • Knowledge of supercell storm structures and dynamics.
  • Awareness of the differences between cyclonic and anticyclonic tornadoes.
NEXT STEPS
  • Research "thermal convection in meteorology" for insights into atmospheric phenomena.
  • Explore "supercell tornado dynamics" to understand simultaneous tornado formations.
  • Investigate "firenado formation" and its similarities to volcanic tornadoes.
  • Study "anticyclonic vs. cyclonic tornadoes" for a deeper understanding of tornado behavior.
USEFUL FOR

Meteorologists, storm chasers, and anyone interested in advanced weather phenomena and tornado dynamics will benefit from this discussion.

Dotini
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Viewers will be amused at the slender vortex snaking 3300' above the Iceland volcano, seen here in infrared video. Said to be similar to a "fire tornado", the Icelandic Met Office officially refers to the strange phenomenon as "wind anomalies from thermal convection."

http://www.livescience.com/47742-volcano-tornado-iceland-eruption-holuhraun.html
"We haven't seen anything like this before"
 
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cool ! :)

don't think I have seen one related to a volcano before ... seen too many videos to remember haha

but these are quite common in bush fires we see here in Australia ... as commented, called firenadoes
I suspect the formation of them is very similar

cheers
Dave
 
Another meteorological curiosity - an amazing supercell with two simultaneous tornadoes. The one on the left is said anticyclonic, the one on the right cyclonic.

simla-supercell-kelly-delay.jpg

This phenomenal storm, with two tornadoes spinning simultaneously, was photographed late last week near Simla, Colo. (Kelly DeLay)

http://www.washingtonpost.com/blogs...e-amazing-supercell-two-incredible-tornadoes/Simultaneous aurora and lightning, from today's space weather.com
mn_strip.jpg


"I've never seen auroras and lightning visible side by side before," marvels Chester. "These photos were taken between 2 and 3 am on Monday, June 8th."

At about the same time in Hartford, Wisconsin, Jake Stehli witnessed a similar display. "The auroras were visible to the naked eye with lightning in a thunderhead on the horizon as well," he says.
 
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Dotini said:
Another meteorological curiosity - an amazing supercell with two simultaneous tornadoes. The one on the left is said anticyclonic, the one on the right cyclonic.

awesome storm ... have 2 friends that have just got home to Oz from 3 weeks in the USA stormchasing. I just haven't had the money, health or available annual leave
to travel over there for the last few years :frown: I so miss my chase trips to the USA

twin and multi tornadoes for a single cell are common, not sure about the counter circulations tho ?
The other wild scenario is when a main tornado funnel starts producing multiple vortices around it that sometimes become large enough to be called a signif tornados in their own right ... then we have "sisters"

a pic from my chaser friend Reed Timmer ...

Tornado-multivortex.jpg


dunno who this one is from ?? ... would credit if I could ( not mine)

Multi-tornado.png
Dave
 
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davenn said:
cool ! :)

don't think I have seen one related to a volcano before ... seen too many videos to remember haha

but these are quite common in bush fires we see here in Australia ... as commented, called firenadoes
I suspect the formation of them is very similar

cheers
Dave
I expect the Australian ones go round the other way though.
 

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