Articles | Volume 23, issue 2
Research article
24 Jan 2023
Research article |  | 24 Jan 2023

Monitoring sudden stratospheric warmings under climate change since 1980 based on reanalysis data verified by radio occultation

Ying Li, Gottfried Kirchengast, Marc Schwaerz, and Yunbin Yuan

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Subject: Dynamics | Research Activity: Laboratory Studies | Altitude Range: Stratosphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Angerer, B., Ladstädter, F., Scherllin-Pirscher, B., Schwärz, M., and Kirchengast, G.: Quality aspects of the Wegener Center multi-satellite GPS radio occultation record OPSv5.6, Atmos. Meas. Tech., 10, 4845–4863,, 2017. 
Anthes, R. A.: Exploring Earth's atmosphere with radio occultation: contributions to weather, climate and space weather, Atmos. Meas. Tech., 4, 1077–1103,, 2011. 
Ayarzagüena, B., Langematz, U., Meul, S., Oberländer, S., Abalichin, J., and Kubin, A.: The role of climate change and ozone recovery for the future timing of major stratospheric warmings, Geophys. Res. Lett., 40, 2460–2465,, 2013. 
Baldwin, M. P. and Thompson, D. W. J.: A critical comparison of stratosphere–troposphere coupling indices, Q. J. Roy. Meteorol. Soc., 135, 1661–1672,, 2009. 
Short summary
We develop a new approach to monitor sudden stratospheric warming (SSW) events since 1980 and develop a 42-year SSW event climatology. Detection and evaluation results suggest that the new method is robust for SSW monitoring. We also found an increase in the duration of SSW main-phase warmings of about 5(±2) d over the three decades from the 1980s to the 2010s, raising the average duration from about 10 to 15 d, and the warming strength is also found increased.
Final-revised paper