[Update August 3, 2013: The site is back online and the bug noted below (which I still believe is a feature) has been fixed. Selecting San Francisco as a target no longer targets New York City.]
NukeMap3D shows you the future that we at pfpfp hope for. Pick your target city, …
… or you can just type in a city name. I picked Downer’s Grove, Illinois, southwest of Chicago:
Once the city is targeted, you get to select the size of the weapon you want:
If you want to play with my setup (target: Downer’s Grove, IL; 1 megaton blast) click here. If you’d just like to see a video, here it is:
Alex has been kind enough to estimate of casualties as well as a map of the likely spread of fallout:
NukeMap3D: at pfpfp.org we fully support this effort.