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

Data sets

ERA5 European Centre for Medium Range Weather Forecasts

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.