The weather data for 3D Weather Globe & Atlas is provided by CustomWeather under a five-year agreement between CustomWeather and Software MacKiev. CustomWeather is a San Francisco-based company who supply worldwide weather feeds to Reuters and other news organizations. The real-time weather, weather forecast and cloud cover require a subscription to Software MacKiev's online weather data service. 3D Weather Globe & Atlas includes one year’s free subscription. After the free period is over, you can re-subscribe for $9.95 per year. If you don't want to re-subscribe, the application will continue to function normally, though the online features will no longer be available.