Meteorological curiosity - "volcano tornado"

  • Thread starter Thread starter Dotini
  • Start date Start date
  • Tags Tags
    Curiosity Tornado
Join the discussion
Registration is free. Start your own thread to ask a follow-up.
Sign up Log in
4 replies · 7K views · last reply
Dotini
Gold Member
Messages
639
Reaction score
230
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"
 
Earth sciences news on Phys.org

Discussion

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.

Wide view of a supercell thunderstorm with a dark, rotating wall cloud over flat grassland, with rain shafts and two thin funnel tornadoes reaching down toward the ground beneath it.

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
Night photo of a gravel road running toward the horizon under power lines, with green aurora glowing above the horizon and a lightning flash lighting a cloud bank on the right.


"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.
 
Last edited:
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 ...

Multiple tornado funnels descending from a dark storm cloud over a flat, grassy plain, with utility poles on the horizon and a watermark reading (c) TornadoVideos.net.


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

Photo of a dark funnel cloud touching down over a flat green field, with a second narrower funnel beside it and a fence and trees in the foreground.
Dave
 
  • Like
Likes   Reactions: Dotini
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.