Satellite imagery can prove to be very useful at times and at many occasions will be more beneficial using Satellite imagery than the plain old maps. For instance, it can be used to track weather systems, especially floods and other storms such as hurricanes. And most of the times, the reliability of the data is accurate. Other than that Satellite imagery is a vital tool for many meteorologist.
I just saw the same thing and the answer is confluence.
Elevation or Altitude effect climate , Prevailing global wind patterns , Topography , Effects of Geography