Thanks for the comments!
@Maraxus: I haven't done any calculations, but I don't think you're completely right on the science bits. The dayside won't be frozen, it gets constant direct sunlight. The poles on Earth are not comparable because of the angle they receive light from. With the winds, the atmosphere on the night side would thicken because of the cold, pulling air from the day side, I think… I agree with you about the projection though

@Jalyha: Yup, good points Yeah, we'll see where I can get those influences in… (Jalyha and I were talking about African fantasy settings on PM)

@Pixie: Thanks! The weather will probably be pretty crazy, yes! I will do some research on this.

Here's a small update… I've just added some more detail, mostly. Considering the winds, does the rivers seem ok like this?
Click image for larger version. 

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