A practical method to identify displaced and split stratospheric polar vortex events

Geophysical Research Letters

Volumn 40, Issue 19, 2013, Pages 5268-5273

  Seviour, William J M ^a   Mitchell, Daniel M ^a   Gray, Lesley J ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

stratosphere troposphere interaction; stratospheric dynamics; stratospheric sudden warmings

Indexed keywords

ARCTIC OSCILLATION; CLIMATE MODEL SIMULATIONS; GEO-POTENTIAL HEIGHTS; PRACTICAL METHOD; STRATOSPHERIC POLAR VORTEX; STRATOSPHERIC SUDDEN WARMINGS; VORTEX-SPLITTING EVENTS; WEATHER PATTERNS;

CLIMATE CHANGE; CLIMATE MODELS; UPPER ATMOSPHERE;

VORTEX FLOW;

ACCURACY ASSESSMENT; ARCTIC OSCILLATION; CLIMATE CHANGE; CLIMATE MODELING; MEASUREMENT METHOD; POLAR VORTEX; SIMULATION; STRATOSPHERE;

EID: 84884795961     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1002/grl.50927     Document Type: Article

References (29)

1. Ambaum, M. H. P., and, B. J. Hoskins, (2002), The NAO tropospherea-stratosphere connection, J. Climate, 15, 1969-1978.
2. Andrews, D., J. R. Holton, and, C. Leovy, (1987), Middle Atmosphere Dynamics, 489 pp., Academic Press, San Diego, Calif.
3. Baldwin, M. P., and, T. J. Dunkerton, (2001), Stratospheric harbingers of anomalous weather regimes, Science, 294, 581-584, doi: 10.1126/science.1063315.
4. Baldwin, M. P., D. B. Stephenson, D. W. J. Thompson, T. J. Dunkerton, A. J. Charlton, and, A. O'Neill, (2003), Stratospheric memory and skill of extendeda-range weather forecasts, Science, 301, 636-640, doi: 10.1126/science.1087143.
5. Charlton, A. J., and, L. M. Polvani, (2007), A new look at stratospheric sudden warmings. Part I: Climatology and modeling benchmarks, J. Climate, 20, 449-469, doi: 10.1175/JCLI3996.1.
6. Cohen, J., and, J. Jones, (2011), Tropospheric precursors and stratospheric warmings, J. Climate, 24, 6562-6572, doi: 10.1175/2011JCLI4160.1.
7. Coles, S., (2001), An Introduction to Statistical Modeling of Extreme Values, 209 pp., Springer, London.
8. Coughlin, K., and, L. J. Gray, (2009), Acontinuum of sudden stratospheric warmings, J. Atmos. Sci., 66, 531-540, doi: 10.1175/2008JAS2792.1.
9. Dee, D. P., et al. (2011), The ERAa-Interim reanalysis: Configuration and performance of the data assimilation system, Q. J. R. Meteorol. Soc., 137 (656), 553-597, doi: 10.1002/qj.828.
10. Garfinkel, C. I., and, D. L. Hartmann, (2008), Different ENSO teleconnections and their effects on the stratospheric polar vortex, J. Geophys. Res., 113, D18114, doi: 10.1029/2008JD009920.
11. Gerber, E. P., et al. (2010), Stratospherea-troposphere coupling and annular mode variability in chemistrya-climate models, J. Geophys. Res., 115, D00M06, doi: 10.1029/2009JD013770.
12. Gerber, E. P., A. Butler, N. Calvo, A. J. Charltona-Perez, M. Giorgetta, E. Manzini, and, J. Perlwitz, (2012), Assessing and understanding the impact of stratospheric dynamics and variability on the earth system, Bull. Am. Meteorol. Soc., 93, 845-859, doi: 10.1175/BAMSa-Da-11a-00145.1.
13. Hannachi, A., D. M. Mitchell, L. J. Gray, and, A. Charltona-Perez, (2010), On the use of geometric moments to examine the continuum of sudden stratospheric warmings, J. Atmos. Sci., 68, 657-674, doi: 10.1175/2010JAS3585.1.
14. Hardiman, S. C., N. Butchart, T. J. Hinton, S. M. Osprey, and, L. J. Gray, (2012), The effect of a wella-resolved stratosphere on surface climate: Differences between CMIP5 simulations with high and low top versions of the met office climate model, J. Climate, 25, 7083-7099, doi: 10.1175/JCLIa-Da-11a- 00579.1.
15. Labitzke, K., and, B. Naujokat, (2000), The Lower Arctic Stratosphere Since 1952, SPARC Newsletter, No. 15, SPARC Office, Toronto, ON, Canada.
16. Matthewman, N. J., J. G. Esler, A. J. Charltona-Perez, and, L. M. Polvani, (2009), A new look at stratospheric sudden warmings. Part III: Polar vortex evolution and vertical structure, J. Climate, 22, 1566-1585, doi: 10.1175/2008JCLI2365.1.
17. Mitchell, D. M., A. J. Charltona-Perez, and, L. J. Gray, (2011a), Characterizing the variability and extremes of the stratospheric polar vortices using 2D moment analysis, J. Atmos. Sci., 68, 1194-1213, doi: 10.1175/2010JAS3555.1.
18. Mitchell, D. M., L. J. Gray, and, A. J. Charltona-Perez, (2011b), The structure and evolution of the stratospheric vortex in response to natural forcings, J. Geophys. Res., 116, D15110, doi: 10.1029/2011JD015788.
19. Mitchell, D. M., et al. (2012), The nature of Arctic polar vortices in chemistrya-climate models, Q. J. R. Meteorol. Soc., 138, 1681-1691, doi: 10.1002/qj.1909.
20. Mitchell, D. M., L. J. Gray, J. Anstey, M. P. Baldwin, and, A. J. Charltona-Perez, (2013), The influence of stratospheric vortex displacements and splits on surface climate, J. Climate, 26, 2668-2682, doi: 10.1175/JCLIa-Da- 12a-00030.1.
21. Nakagawa, K. I., and, K. Yamazaki, (2006), What kind of stratospheric sudden warming propagates to the troposphere?, Geophys. Res. Lett., 33, L04801, doi: 10.1029/2005GL024784.
22. Newman, P., and, J. Rosenfield, (1997), Stratospheric thermal damping times, Geophys. Res. Lett., 24, 433-436, doi: 10.1029/96GL03720.
23. Scaife, A. A., et al. (2012), Climate change projections and stratospherea-troposphere interaction, Clim. Dyn., 38, 2089-2097, doi: 10.1007/s00382a-011a-1080a-7.
24. Thompson, D. W., and, J. M. Wallace, (2001), Regional climate impacts of the Northern Hemisphere annular mode, Science, 293, 85-9, doi: 10.1126/science.1058958.
25. Tomassini, L., E. P. Gerber, M. P. Baldwin, F. Bunzel, and, M. Giorgetta, (2012), The role of stratospherea-troposphere coupling in the occurrence of extreme winter cold spells over northern Europe, J. Adv. Model. Earth. Syst., 4, M00A03, doi: 10.1029/2012MS000177.
26. Uppala, S. M., et al. (2005), The ERA-analysis, Q. J. R. Meteorol. Soc., 131 (612), 2961-3012, doi: 10.1256/qj.04.176.
27. Waugh, D. W., (1997), Elliptical diagnostics of stratospheric polar vortices, Q. J. R. Meteorol. Soc., 123, 1725-1748, doi: 10.1002/qj.49712354213.
28. Waugh, D. W., and, W. J. Randel, (1999), Climatology of arctic and antarctic polar vortices using elliptical diagnostics, J. Atmos. Sci., 56, 1594-1613.
29. Woollings, T., A. Charltona-Perez, S. Ineson, A. G. Marshall, and, G. Masato, (2010), Associations between stratospheric variability and tropospheric blocking, J. Geophys. Res., 115, D06108, doi: 10.1029/2009JD012742.