Articles | Volume 5, issue 2
https://doi.org/10.5194/wcd-5-463-2024
https://doi.org/10.5194/wcd-5-463-2024
Research article
 | 
03 Apr 2024
Research article |  | 03 Apr 2024

A Lagrangian framework for detecting and characterizing the descent of foehn from Alpine to local scales

Lukas Jansing, Lukas Papritz, and Michael Sprenger

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Short summary
Using an innovative approach, the descent of foehn is diagnosed from a Lagrangian perspective based on 15 kilometer-scale simulations combined with online trajectories. The descent is confined to distinct hotspots in the immediate lee of local mountain peaks and chains. Two detailed case studies reveal a varying wave regime to be associated with the descent. Furthermore, additional controlling factors, such as the diurnal cycle, likewise influence the descent activity.