Vertical structure of stationary waves at latitudes corresponding to Aphrodite Terra (a, c, and e; 10°S) and Ishtar Terra (b, d, and f; 65°N) in the Venus PCM, averaged over 5 Venus days. Panels a and b: zonal anomalies of vertical wind (color shading), overlaid with streamlines of vertical and zonal wind. The vertical wind is normalized at each altitude level for visibility. Panels c and d: scorer parameter. Panels e and f : vertical AM flux associated with stationary waves, calculated as 〈w〉′〈u〉′ cos φ.