f/25, RGB and Ir-RGB; 22:09 and 22:21 UTC:
f/25, Drizzle 150%, 22:21 UTC:
f/25; Basler Ace bin 2, C11 - channels comparison. ~22:36 UTC
You can see that the stormy band gets darker in infrared. RG850 which is close to methane band shows that this band may contain more methane or other similar molecules (like other hydrocarbons).