Articles | Volume 21, issue 9
https://doi.org/10.5194/acp-21-7113-2021
https://doi.org/10.5194/acp-21-7113-2021
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10 May 2021
Research article | Highlight paper |  | 10 May 2021

Smoke-charged vortices in the stratosphere generated by wildfires and their behaviour in both hemispheres: comparing Australia 2020 to Canada 2017

Hugo Lestrelin, Bernard Legras, Aurélien Podglajen, and Mikail Salihoglu

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Short summary
Following the 2020 Australian fires, it was recently discovered that stratospheric wildfire smoke plumes self-organize as anticyclonic vortices that persist for months and rise by 10 km due to the radiative heating from the absorbing smoke. In this study, we show that smoke-charged vortices previously occurred in the aftermath of the 2017 Canadian fires. We use meteorological analysis to characterize this new object in geophysical fluid dynamics, which likely impacts radiation and climate.
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