It lives! 
Source File:
, I had to plug the Width from the Load Texture node to the Get Pixel node to get it to work(maybe something unique to my setup), but other than that great stuff!
I have only added in land/water data using an image. I could do the same thing for with topology, precipitation, etc. Nice to see that my weather system put deserts and jungles on the earth map where they belong though!