Articles | Volume 24, issue 11
https://doi.org/10.5194/angeo-24-2891-2006
© Author(s) 2006. This work is distributed under the Creative Commons Attribution 3.0 License.
21 Nov 2006
Diurnal variation of mountain waves
Abstract. Mountain waves could be modified as the boundary layer varies between stable and convective. However case studies show mountain waves day and night, and above e.g. convective rolls with precipitation lines over mountains. VHF radar measurements of vertical wind (1990–2006) confirm a seasonal variation of mountain-wave amplitude, yet there is little diurnal variation of amplitude. Mountain-wave azimuth shows possible diurnal variation compared to wind rotation across the boundary layer.
