Flow field in horizontal slices at z = − 1.648 Mm and z = − 9.840 Mm. The field of view is the same as that in panel (c) of Figure 5. An animation that covers the dynamic evolution of 72 minutes starting from t = t₀ is available. The real-time duration is 1.25 s.

(An animation of this figure is available in the online article.)

(An animation of this figure is available.)

The video/animation of this figure is available in the online journal.