ECMWF Analyses and Forecasts of Stratospheric Winter Polar Vortex Breakup: September 2002 in the Southern Hemisphere and Related Events

By A. Simmons, M. Hortal, Graeme Kelly, Anthony P. McNally, A. Untch, S. Uppala. 2005

136 citations recorded by the source corpus.

Subfields: Atmospheric Science, Global and Planetary Change

View Paper: https://www.semanticscholar.org/paper/d883f411f7f19de70570c46a2f3200ed900dfc04

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Citations in the corpus

Stratospheric variability and tropospheric ozone (2009, background): “[18] Monthly anomalies in zonal mean total column O3 for years 2001–2005 are shown in Figures 4c and 4d. In October 2002, the CTM matches the extremely high column anomaly over Antarctica, which was caused by a sudden warming event and the transport of ozone-rich air into the vortex [e.g., Simmons ”
A New Look at Stratospheric Sudden Warmings. Part III: Polar Vortex Evolution and Vertical Structure (2009, background): “Further, Tung and Lindzen (1979) and Plumb (1981) have suggested that SSWs might occur following the resonant excitation of a normal mode of the stratosphere, an idea recently developed by Esler and Scott (2005) and Esler et al. (2006) who have suggested that the ‘‘barotropic’’ mode of the polar…”
A revised linear ozone photochemistry parameterization for use in transport and general circulation models: multi-annual simulations (2007, unknown): “This behaviour with such a large planetary wave 2 activity was very peculiar (Simmons et al., 2005) and the consequences on the distributions of minor species in the stratosphere have been reported in several studies (e.”
Multiple Jets as PV Staircases: The Phillips Effect and the Resilience of Eddy-Transport Barriers (2008, background): “Unauthenticated | Downloaded 11/10/21 04:33 AM UTC ingly familiar from high-resolution chemical–dynamical modeling motivated by the stratospheric ozone problem (e.g., within a vast literature; Manney et al. 1994; Simmons et al. 2005; and the review by Haynes 2005).”
The predictability of the extratropical stratosphere on monthly time‐scales and its impact on the skill of tropospheric forecasts (2015, methodology): “Simmons et al. (2005) also included examples of three successful forecasts of Northern Hemisphere vortexsplitting cases when the ECMWF model was initialised using ERA-40 re-analysis data (i.e. the SSW events of 29 January 1958, 21 February 1979 and 17 February 2003).”
The ERA5 global reanalysis (2020, background): “…(mole fraction in ppm; shading) and Montgomery potential (contour interval 4,000 m2s−2) on the 850 K isentropic surface, for (a, e) 22, (b, f) 26 and (c, g) 30 September and (d, h) 4 October 2002, from (a–d) ERA-Interim and (e–h) ERA5 ECMWF system at the time is discussed by Simmons et al. (2005).”
The evolution of the stratopause during the 2006 major warming: Satellite data and assimilated meteorological analyses (2008, methodology): “[15] ECMWF uses a 4D-Var system based on a spectral GCM [e.g., Simmons et al., 2005].”
Chemical and dynamical discontinuity at the extratropical tropopause based on START08 and WACCM analyses (2011, methodology): “[17] Potential vorticity is also calculated from the T511L60 operational ECMWF analysis fields [Simmons et al., 2005] for the 18 START08 research flight days in 2008.”