Articles | Volume 18, issue 9
Research article
17 May 2018
Research article |  | 17 May 2018

A novel method for the extraction of local gravity wave parameters from gridded three-dimensional data: description, validation, and application

Lena Schoon and Christoph Zülicke

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Subject: Dynamics | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Stratosphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Albers, J. R. and Birner, T.: Vortex preconditioning due to planetary and gravity waves prior to sudden stratospheric warmings, J. Atmos. Sci., 71, 4028–4054, 2014.
Alexander, M. J. and Vincent, R. A.: Gravity waves in the tropical lower stratosphere: A model study of seasonal and interannual variability, J. Geophys. Res.-Atmos., 105, 17983–17993, 2000.
Andrews, D. G., Holton, J. R., and Leovy, C. B.: Middle atmosphere dynamics, 40, Academic press, 1987.
Bretherton, F. P.: The propagation of groups of internal gravity waves in a shear flow, Q. J. Roy. Meteor. Soc., 92, 466–480, 1966.
Butler, A. H., Seidel, D. J., Hardiman, S. C., Butchart, N., Birner, T., and Match, A.: Defining sudden stratospheric warmings, B. Am. Meteorol. Soc., 96, 1913–1928, 2015.
Short summary
Different kinds of waves are the subject of intense research because they are suspected to steer several different atmospheric phenomena. To analyse the effects of waves, wave packet characteristics have to be known. We introduce a new tool to study wave packets locally: Unified Wave Diagnostics (UWaDi). To show the advantages of UWaDi, a sudden stratospheric warming period in 2016 is analysed for different background wind conditions, revealing gravity waves emitted from a jet exit region.
Final-revised paper