Articles | Volume 4, issue 4
Research article
03 Nov 2023
Research article |  | 03 Nov 2023

Diabatic effects on the evolution of storm tracks

Andrea Marcheggiani and Thomas Spengler

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Cited articles

Ambaum, M. H. and Novak, L.: A nonlinear oscillator describing storm track variability, Q. J. Roy. Meteor. Soc., 140, 2680–2684, 2014. a, b
Brayshaw, D. J., Hoskins, B., and Blackburn, M.: The basic ingredients of the North Atlantic storm track. Part I: Land–sea contrast and orography, J. Atmos. Sci., 66, 2539–2558, 2009. a
Bui, H. and Spengler, T.: On the influence of sea surface temperature distributions on the development of extratropical cyclones, J. Atmos. Sci., 78, 1173–1188, 2021. a
Chang, E. K. and Orlanski, I.: On the dynamics of a storm track, J. Atmos. Sci., 50, 999–1015, 1993. a
Chang, E. K., Lee, S., and Swanson, K. L.: Storm track dynamics, J. Climate, 15, 2163–2183, 2002. a
Short summary
There is a gap between the theoretical understanding and model representation of moist diabatic effects on the evolution of storm tracks. We seek to bridge this gap by exploring the relationship between diabatic and adiabatic contributions to changes in baroclinicity. We find reversed behaviours in the lower and upper troposphere in the maintenance of baroclinicity. In particular, our study reveals a link between higher moisture availability and upper-tropospheric restoration of baroclinicity.