GWX + Black Sea + Constant bad weather : Choppy gameplay?

[Sailor Steve]

Originally Posted by Drakken

2) I play most of the game on the Nav map. After having made Ctrl+F8, I could see the FPS decrease to 0-1 FPS when reaching 32x until 256x... then slightly increase to 3-5 FPS at 512x and 1024x. However, everything is fine at lower TC.

Are you saying you're getting frame rates that bad in the Nav Map screen? Something is definitely wrong there. I expect bad rates in bad weather in a graphics screen, but not the maps.