| Topic | Activities & Assignments | Learning Goals. By the end of this section, you will be able to ... |
|---|---|---|
| Terrain-modified strong synoptic winds: Santa Ana, Diablo, Chinook, Mtn.Waves | (link to regional lecture slides) Read Stull Practical Meteorology sections 17.4 , 17.7, & 17.10. Downslope windstorms were significant for the Paradise (Camp Fire, see paper by Brewer and Clements 2020), Marshall fire (see paper by Fovell et al 2022) and the Lahaina fire (see paper by Mass and Ovens 2024). Very short video of fire/smoke in Banff Park with upslope anabatic winds (0:15). Also search on videos of open channel flow over a wier to see supercritical flow and a hydraulic jump. |
Explain the difference between thermally generated terrain circulations (e.g., anabatic & katabatic winds) and terrain-modified strong synoptic-scale winds. Compare inversion height to mountain height to determine whether foehns (chinooks, santa anna, diablo) or boras are likely. Relate temperature inversion strength to interfacial wave speed and use that concept to explain hydraulic jump and mountain waves. |
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