An excellently prepared manuscript in all regards. Excellently presented, well argued, balanced etc etc.

Line 110: Typo (repitition): “It was found that the that the….."

Line 209: “These were cleared with special image processing algorithms.” Some minor elaboration on what additional data filtering was applied filtering would be useful (but not essential).

Figure 1: The images in panel a (top) are an important part of the narrative, but are hard to see. Please make them bigger.

Line 520/Figure 6: The details of the BB are hard to see. Maybe add some lines to indicate the times of interest relating to the BB disturbances. Also, could the y-axes be zoomed in to the region of interest -Is the radar profile below 3km needed?

The authors try to avoid making strong statements about the exact SIP process at play, but there is a strong sense of preference towards FFD. Given that both FFD and HM processes are very uncertain in terms of process rates, HM could be dominant still.