NUKEMAP 2.5 is now live: 1. you can now have live, local weather data ported in for fallout settings, and 2. KMZ export to Google Earth.pic.twitter.com/FEcCRYHdE2
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
It is just a simple scaling code that uses wind direction / speed. It is not very complicated.