Weather and Climate Dynamics
Weather and Climate Dynamics
WCD
Articles | Volume 5, issue 2
Articles | Volume 5, issue 2
https://doi.org/10.5194/wcd-5-559-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/wcd-5-559-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 5, issue 2
Research article
 | 
22 Apr 2024
Research article |  | 22 Apr 2024

How heating tracers drive self-lofting long-lived stratospheric anticyclones: simple dynamical models

Kasturi Shah and Peter H. Haynes

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Cited articles

Allen, D. R., Douglass, A. R., Manney, G. L., Strahan, S. E., Krosschell, J. C., Trueblood, J. V., Nielsen, J. E., Pawson, S., and Zhu, Z.: Modeling the Frozen-In Anticyclone in the 2005 Arctic Summer Stratosphere, Atmos. Chem. Phys., 11, 4557–4576, https://doi.org/10.5194/acp-11-4557-2011, 2011. a
Allen, D. R., Fromm, M. D., Kablick III, G. P., and Nedoluha, G. E.: Smoke with induced rotation and lofting (SWIRL) in the stratosphere, J. Atmos. Sci., 77, 4297–4316, 2020. a, b
Berrisford, P., Marshall, J., and White, A.: Quasigeostrophic potential vorticity in isentropic coordinates, J. Atmos. Sci., 50, 778–782, 1993.  a, b
Bishop, C. H. and Thorpe, A. J.: Potential vorticity and the electrostatics analogy: Quasi-geostrophic theory, Q. J. Roy. Meteorol. Soc., 120, 713–731, 1994. a
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Long-lived rising bubbles of wildfire smoke or volcanic aerosol contained within strong vortices have been observed in the stratosphere. Heating through absorption of solar radiation has been hypothesised as driving these structures. We present simple models incorporating two-way interaction between dynamics and aerosol combined with insight from vortex dynamics to explain aspects of observed behaviours, including ascent rate and vorticity magnitude, and to suggest criteria for formation.
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