Wildland fires that are burning intensely can have convection columns — so do very active volcanoes.
Tungurahua volcano blasts molten rock and ash in Ecuador http://t.co/xN8iD9LMAa pic.twitter.com/yBslG7FWwU
— NBC News (@NBCNews) April 5, 2014
Convection column – from a volcano
- Bill Gabbert
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