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Sudden Stratospheric Warmings as Catastrophes
Journal of the Atmospheric Sciences, 1985The sudden stratospheric warming (SSW) process is qualitatively studied using a conceptual and numerical approach guided by catastrophe theory. A simple example of a catastrophe taken from nonlinear dynamics is given, and results from previous modelling studies of SSW are interpreted in light of catastrophe theory.
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Simulated sudden stratospheric warming; synoptic evolution
Quarterly Journal of the Royal Meteorological Society, 1987AbstractAn analysis is presented of a sudden stratospheric warming event which occurred spontaneously during a general circulation model simulation of the global atmospheric circulation. Two separate warming pulses exhibit the same dynamical evolution with a ‘cycle’ of about two weeks.
W. T. Blackshear +2 more
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The Dynamics of Sudden Stratospheric Warmings
Annual Review of Earth and Planetary Sciences, 1980The normal global-scale circulation of the stratosphere is dominated by a zonally (longitudinally) symmetric mean flow that is westerly (from the west) in the winter hemisphere and easterly (from the east) in the summer hemisphere. Superposed on this zonal mean flow are longitudinally varying wave perturbations referred to as planetary waves.
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The Study of Sudden Stratospheric Warmings Using Infrasound
The Journal of the Acoustical Society of America, 2017Infrasound has a long history in monitoring SSWs. Several pioneering studies have focused on the various effects of a major warming on the propagation of infrasound, described throughout this chapter. A clear transition can be denoted from observing anomalous signatures towards the use of these signals to study anomalies in upper atmospheric ...
Pieter Smets, Jelle Assink, Läslo Evers
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Numerical Simulation of Sudden Stratospheric Warmings
Journal of the Atmospheric Sciences, 1980Abstract A mechanistic, quasi-geostrophic, semi-spectral model with a self-consistent calculation of the mean zonal flow fields is used to numerically simulate sudden stratospheric warmings generated by a single zonal harmonic (m) planetary wave.
Mark R. Schoeberl, Darrell F. Strobel
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On future changes in stratospheric sudden warmings
2013Traditionally, stratospheric sudden warming events (SSWs) are defined using a fixed threshold criterion. This criterion, however, may lead to spurious results if the climate of the underlying dataset is changing. In an attempt to overcome this potential shortcoming we develop alternative criteria to define such events and test these criteria using ...
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How Frequent Are Antarctic Sudden Stratospheric Warmings in Present and Future Climate?
Geophysical Research Letters, 2021Darryn W Waugh +2 more
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How Well Do We Know the Surface Impact of Sudden Stratospheric Warmings?
Geophysical Research Letters, 2021Lantao Sun +2 more
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Dynamic coupling of the stratosphere with the troposphere and sudden stratospheric warmings.
1972Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1972. ; Vita. ; Bibliography: leaves 211-220. ; Sc.D.
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Impact of sudden stratospheric warmings on equatorial ionization anomaly
Journal of Geophysical Research: Space Physics, 2010Cesar E Valladares +2 more
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