Articles | Volume 2, issue 3
Research article
23 Jul 2021
Research article |  | 23 Jul 2021

On the occurrence of strong vertical wind shear in the tropopause region: a 10-year ERA5 northern hemispheric study

Thorsten Kaluza, Daniel Kunkel, and Peter Hoor

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Cited articles

Bense, V.: Modifikation von Schwerewellen bei Propagation durch die Tropopause – Idealisierte Modellstudien, Dissertation, Johannes Gutenberg-University Mainz,, 2019. a, b
Berthet, G., Esler, J. G., and Haynes, P. H.: A Lagrangian perspective of the tropopause and the ventilation of the lowermost stratosphere, J. Geophys. Res.-Atmos., 112, 1–14,, 2007. a
Birner, T.: Fine-scale structure of the extratropical tropopause region, J. Geophys. Res.-Atmos., 111, 1–14,, 2006. a, b, c, d, e
Birner, T., Dörnbrack, A., and Schumann, U.: How sharp is the tropopause at midlatitudes?, Geophys. Res. Lett., 29, 45-1–45-4,, 2002. a, b, c, d, e
Dvoskin, N. and Sissenwine, N.: Evaluation of AN/GMD-2 Wind Shear Data for Development of Missile Design Criteria, Air Force Surveys in Geophysics, 99, 72 pp., 1958. a, b, c
Short summary
We present a 10-year analysis on the occurrence of strong wind shear in the Northern Hemisphere, focusing on the region around the transport barrier that separates the first two layers of the atmosphere. The major result of our analysis is that strong wind shear above a certain threshold occurs frequently and nearly exclusively in this region, which, as an indicator for turbulent mixing, might have major implications concerning the separation efficiency of the transport barrier.