Orographically-trapped waves near Haida Gwaii
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2019/04/hg_wv9-20190422_183034-1.png)
GOES-17 (GOES-West) Low-level (7.3 µm), Mid-level (6.9 µm) and Upper-level (6.2 µm) Water Vapor images (above) revealed orographically-trapped waves propagating westward against the ambient flow over the Haida Strait (between Haida Gwaii and British Columbia) in the wake of a cold frontal passage (surface analyses) on 22 April 2019. The waves initially formed downwind of the 2000-3000... Read More