AW doesn't seem to be activating correctly for me as I still l have to click "apply" in the Weather dialog?
I like the approach though.
To be precise, if I have "Border of Low Pressure" selected and cloud slider to max, then I change slider to min and click OK the clouds disappear (even if I never hit OK).
But if I then set the slider to max and click OK, no clouds are generated until I also click on the Weather dialog's Apply button.