Observations of planetary waves in the mesosphere-lower thermosphere during stratospheric warming events

Stray, N. H.; Orsolini, Y. J.; Espy, P. J.; Limpasuvan, V.; Hibbins, R. E.

doi:10.5194/acp-15-4997-2015

Articles | Volume 15, issue 9

https://doi.org/10.5194/acp-15-4997-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-4997-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 9

Research article

|

04 May 2015

Research article |

| 04 May 2015

Observations of planetary waves in the mesosphere-lower thermosphere during stratospheric warming events

N. H. Stray, Y. J. Orsolini, P. J. Espy, V. Limpasuvan, and R. E. Hibbins

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Month	HTML	PDF	XML	Total
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Feb 2015	29	27	22	78
Mar 2015	26	13	5	44
Apr 2015	49	24	8	81
May 2015	88	91	7	186
Jun 2015	46	18	6	70
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Aug 2015	22	23	1	46
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Jan 2025	78	41	29	148
Feb 2025	69	32	25	126
Mar 2025	20	11	1	32
Apr 2025	18	20	4	42
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Jun 2025	49	15	0	64
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Nov 2025	36	20	5	61
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Latest update: 06 Dec 2025

Short summary

Planetary wave activity measured in the mesosphere to lower thermosphere is shown to increase drastically after strong stratospheric polar cap wind reversals associated with sudden stratospheric warmings. In addition, a moderate but significant correlation was found between planetary wave enhancement in the mesosphere to lower thermosphere and all stratospheric polar cap wind reversals, irrespective of the strength of the reversal.