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The anomalous change in the QBO in 2015–2016
Open accessAbstract
The quasi‐biennial oscillation (QBO) is a tropical lower stratospheric, downward propagating zonal wind variation, with an average period of ~28 months. The QBO has been constantly documented since 1953. Here we describe the evolution of the QBO during the Northern Hemisphere winter of 2015–2016 using radiosonde observations and meteorological reanalyses. Normally, the QBO would show a steady downward propagation of the westerly phase. In 2015–2016, there was an anomalous upward displacement of this westerly phase from ~30 hPa to 15 hPa. These westerlies impinge on or “cutoff” the normal downward propagation of the easterly phase. In addition, easterly winds develop at 40 hPa. Comparisons to tropical wind statistics for the 1953 to present record demonstrate that this 2015–2016 QBO disruption is unprecedented.
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Cited by
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Bell, B., Hersbach, H., Simmons, A., Berrisford, P., Dahlgren, P., Horányi, A., Muñoz‐Sabater, J., Nicolas, J., Radu, R., Schepers, D., et al. (2021) · Quarterly Journal of the Royal Meteorological Society · doi:10.1002/qj.4174 · Cited by 689
Ozone—climate interactions and effects on solar ultraviolet radiation
Bais, A. F., Bernhard, G., McKenzie, R. L., Aucamp, P. J., Young, P. J., Ilyas, M., Jöckel, P., & Deushi, M. (2019) · Photochemical & Photobiological Sciences · doi:10.1039/c8pp90059k · Cited by 206
Disruption of Saturn’s quasi-periodic equatorial oscillation by the great northern storm
Fletcher, L. N., Guerlet, S., Orton, G. S., Cosentino, R. G., Fouchet, T., Irwin, P. G. J., Li, L., Flasar, F. M., Gorius, N., & Morales-Juberías, R. (2017) · Nature Astronomy · doi:10.1038/s41550-017-0271-5 · Cited by 44
Nonlinear saturation of the large scale flow in a laboratory model of the quasibiennial oscillation
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Metadata
- Authors
- Newman, P. A., Coy, L., Pawson, S., & Lait, L. R.
- Venue
- Geophysical Research Letters
- Publisher
- American Geophysical Union (AGU)
- Published
- 2016-08-28
- Volume
- 43
- Issue
- 16
- Pages
- 8791-8797
- ISSN
- 0094-8276 (ISSN-L)
- 1944-8007
- OpenAlex
- W2505994632
- Cited by
- 202
- References
- 0
- FWCI
- 12.28
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Newman, P. A., Coy, L., Pawson, S., & Lait, L. R. (2016). The anomalous change in the QBO in 2015–2016. Geophysical Research Letters. https://doi.org/10.1002/2016gl070373
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