21. Airliners typically fly at an altitude ranging from 10 km to 15 km, at the tropopause . 22. They found that changes in potential vorticity at the tropopause can cause changes in the wind field. 23. Measuring the temperature change with height through the troposphere and the stratosphere identifies the location of the tropopause . 24. The upper circulation of strong hurricanes extends into the tropopause of the atmosphere, which at low latitudes is. 25. All air entering the stratosphere must pass through the tropopause , the temperature minimum that divides the troposphere and stratosphere. 26. The atmospheric region most susceptible to CAT is the high troposphere at altitudes of around as it meets the tropopause . 27. Because fronts are three-dimensional phenomena, frontal shear can be observed at any altitude between surface and tropopause . 28. The clouds are located in the tropopause and are arranged into bands of different latitudes, known as tropical regions. 29. The tropopause lowers the further towards the pole you go in general and you have higher stratospheric potential vorticity poleward. 30. Thus, the tropopause is an inversion layer, and there is little mixing between the two layers of the atmosphere.
